US5336552A
Expired / Lapsed
US
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Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate copolymer
Assignee: Kimberly Clark Worldwide Inc
•
Filing: 1992-08-26
•
Granted: 1994-08-09
•
Expires: 2012-08-26
Abstract
Abstract A nonwoven fabric made with multicomponent polymeric strands includes a blend of a polyolefin and ethylene alkyl acrylate in one side or the sheath of the multicomponent polymeric strands. The fabric has improved abrasion resistance, strength, toughness and softness properties. Composite materials including such multicomponent material bonded to both sides of an inner meltblown layer are also disclosed.
Inventors
- 👤 David C. Strack
- 👤 Linda A. Connor
- 👤 Sharon W. Gwaltney
- 👤 Ann L. McCormack
- 👤 Susan E. Shawver
- 👤 Jay S. Shultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/08; D04H3/14; D04H3/02; D04H3/04; D04H1/00; D04H1/40; D04H1/54; D04H1/559; D04H3/005; D04H3/007; D04H3/147; A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/511; A61F13/514; A61F2013/51078; A61F2013/51083; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2931; Y10T442/00; Y10T442/60; Y10T442/637; Y10T442/638; Y10T442/64; Y10T442/659; Y10T442/66; Y10T442/671
Claims Analysis
Total Claims: 82
Claim 1
Independent Claim
90 words
A nonwoven fabric comprising extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a blend of a polyolefin and ethylene alkyl acrylate copolymer.
Claim 2
Dependent Claim
90 words
A nonwoven fabric comprising extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a blend of a polyolefin and ethylene alkyl acrylate copolymer.
Claim 3
Dependent Claim
50 words
A nonwoven fabric as in claim 1 wherein the ethylene alkyl acrylate copolymer is present in an amount from about 2 to about 50% by weight of the second component and the polyolefin is present in an amount from about 98 to about 50% by weight of the second component.
Claim 4
Dependent Claim
50 words
A nonwoven fabric as in claim 1 wherein the ethylene alkyl acrylate copolymer is present in an amount from about 5 to about 25% by weight of the second component and the polyolefin is present in an amount from about 95 to about 75% by weight of the second component.
Claim 5
Dependent Claim
50 words
A nonwoven fabric as in claim 1 wherein the ethylene alkyl acrylate copolymer is present in an amount from about 10 to about 20% by weight of the second component and the polyolefin is present in an amount from about 90 to about 80% by weight of the second component.
Claim 6
Dependent Claim
49 words
A nonwoven fabric as in claim 1 wherein the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands.
Claim 7
Dependent Claim
49 words
A nonwoven fabric as in claim 1 wherein the first polymeric component is present in an amount from about 40 to about 60% by weight of the strands and the second polymeric component is present in an amount from about 60 to about 40% by weight of the strands.
Claim 8
Dependent Claim
13 words
A nonwoven fabric as in claim 1 wherein the strands are continuous filaments.
Claim 9
Dependent Claim
33 words
A nonwoven fabric as in claim 1 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
Claim 10
Dependent Claim
29 words
A nonwoven fabric as in claim 1 wherein the polyolefin of the second component is selected from the group consisting of polyethylene, polypropylene, and copolymers of ethylene and propylene.
Claim 11
Dependent Claim
19 words
A nonwoven fabric as in claim 1 wherein the polyolefin of the second component comprises linear low density polyethylene.
Claim 12
Dependent Claim
31 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point.
Claim 13
Dependent Claim
36 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the second component comprising polyethylene.
Claim 14
Dependent Claim
39 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the second component comprising linear low density polyethylene.
Claim 15
Dependent Claim
37 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component comprising a polyolefin.
Claim 16
Dependent Claim
54 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component being selected from the group consisting of polypropylene and copolymers of propylene and ethylene, and the second component comprising polyethylene.
Claim 17
Dependent Claim
57 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component being selected from the group consisting of polypropylene and copolymers of propylene and ethylene, and the second component comprising linear low density polyethylene.
Claim 18
Dependent Claim
47 words
A nonwoven fabric as in claim 1 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component comprising polypropylene and the second component comprising random copolymers of propylene and ethylene.
Claim 19
Dependent Claim
92 words
A nonwoven fabric as in claim 1 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands; and the ethylene alkyl acrylate copolymer is present in an amount from about 2 to about 50% by weight of the second component and the polyolefin is present in an amount from about 98 to about 50% by weight of the second component.
Claim 20
Dependent Claim
19 words
A nonwoven fabric as in claim 18 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 21
Dependent Claim
22 words
A nonwoven fabric as in claim 18 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 22
Dependent Claim
92 words
A nonwoven fabric as in claim 1 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands; and the ethylene alkyl acrylate copolymer is present in an amount from about 5 to about 25% by weight of the second component and the polyolefin is present in an amount from about 95 to about 75% by weight of the second component.
Claim 23
Dependent Claim
19 words
A nonwoven fabric as in claim 21 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 24
Dependent Claim
22 words
A nonwoven fabric as in claim 21 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 25
Dependent Claim
92 words
A nonwoven fabric as in claim 1 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands; and the ethylene alkyl acrylate copolymer is present in an amount from about 10 to about 20% by weight of the second component and the polyolefin is present in an amount from about 90 to about 80% by weight of the second component.
Claim 26
Dependent Claim
19 words
A nonwoven fabric as in claim 24 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 27
Dependent Claim
22 words
A nonwoven fabric as in claim 24 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 28
Dependent Claim
25 words
A nonwoven fabric as in claim 1, wherein the strands form a web and further comprising a layer of polymer film bonded to the web.
Claim 29
Dependent Claim
130 words
A nonwoven fabric comprising continuous multicomponent polymeric filaments including from about 20 to about 80% by weight of a first polymeric component and from about 80 to about 20% by weight of a second polymeric component, the multicomponent filaments having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent filaments and extending continuously along the length of the multicomponent filaments, the second component constituting at least a portion of the peripheral surface of the multicomponent filaments continuously along the length of the multicomponent filaments and including a blend of from about 98 to about 50% by weight of a polyolefin and from about 2 to about 50% by weight of ethylene alkyl acrylate copolymer.
Claim 30
Dependent Claim
130 words
A nonwoven fabric comprising continuous multicomponent polymeric filaments including from about 20 to about 80% by weight of a first polymeric component and from about 80 to about 20% by weight of a second polymeric component, the multicomponent filaments having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent filaments and extending continuously along the length of the multicomponent filaments, the second component constituting at least a portion of the peripheral surface of the multicomponent filaments continuously along the length of the multicomponent filaments and including a blend of from about 98 to about 50% by weight of a polyolefin and from about 2 to about 50% by weight of ethylene alkyl acrylate copolymer.
Claim 31
Dependent Claim
19 words
A nonwoven fabric as in claim 28 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 32
Dependent Claim
22 words
A nonwoven fabric as in claim 28 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 33
Dependent Claim
33 words
A nonwoven fabric as in claim 28 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
Claim 34
Dependent Claim
25 words
A nonwoven fabric as in claim 28 wherein the filaments form a web and further comprising a layer of polymeric film bonded to the web.
Claim 35
Dependent Claim
142 words
A nonwoven fabric comprising: a first web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a first blend of a polyolefin and an ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands composed of but a single polymeric component comprising a second blend of a polyolefin and ethylene alkyl acrylate copolymer, the first and second webs being positioned in laminar surface-to-surface relationship and bonded together to form an integrated fabric.
Claim 36
Dependent Claim
142 words
A nonwoven fabric comprising: a first web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a first blend of a polyolefin and an ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands composed of but a single polymeric component comprising a second blend of a polyolefin and ethylene alkyl acrylate copolymer, the first and second webs being positioned in laminar surface-to-surface relationship and bonded together to form an integrated fabric.
Claim 37
Dependent Claim
16 words
A nonwoven fabric as in claim 33 wherein the strands of the second web are meltblown.
Claim 38
Dependent Claim
125 words
A nonwoven fabric as in claim 33 comprising a third web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a third blend of a polyolefin and ethylene alkyl acrylate copolymer, the first web being bonded to one side of the second web and the third web being bonded to an opposite side of the second web.
Claim 39
Dependent Claim
16 words
A nonwoven fabric as in claim 35 wherein the strands of the second web are meltblown.
Claim 40
Dependent Claim
54 words
A nonwoven fabric as in claim 33 wherein the ethylene alkyl acrylate copolymer is present in the first and second blends in an amount from about 2 to about 50% by weight and the polyolefin is present in the first and second blends in an amount from about 98 to about 50% by weight.
Claim 41
Dependent Claim
54 words
A nonwoven fabric as in claim 33 wherein the ethylene alkyl acrylate copolymer is present in the first and second blends in an amount from about 5 to about 25% by weight and the polyolefin is present in the first and second blends in an amount from about 95 to about 75% by weight.
Claim 42
Dependent Claim
54 words
A nonwoven fabric as in claim 33 wherein the ethylene alkyl acrylate copolymer is present in the first and second blends in an amount from about 10 to about 20% by weight and the polyolefin is present in the first and second blends in an amount from about 90 to about 80% by weight.
Claim 43
Dependent Claim
17 words
A nonwoven fabric as in claim 33 wherein the strands of the first web are continuous filaments.
Claim 44
Dependent Claim
33 words
A nonwoven fabric as in claim 33 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
Claim 45
Dependent Claim
40 words
A nonwoven fabric as in claim 33 wherein the polyolefin of the second component of the first web and the polyolefin of the second web are selected from the group consisting of polyethylene, polypropylene, and copolymers of ethylene and propylene.
Claim 46
Dependent Claim
30 words
A nonwoven fabric as in claim 33 wherein the polyolefin of the second component of the first web and the polyolefin of the second web comprise linear low density polyethylene.
Claim 47
Dependent Claim
31 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point.
Claim 48
Dependent Claim
36 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the second component comprising polyethylene.
Claim 49
Dependent Claim
39 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the second component comprising linear low density polyethylene.
Claim 50
Dependent Claim
37 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component comprising a polyolefin.
Claim 51
Dependent Claim
54 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component being selected from the group consisting of polypropylene and copolymers of propylene and ethylene, and the second component comprising polyethylene.
Claim 52
Dependent Claim
57 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component being selected from the group consisting of polypropylene and copolymers of propylene and ethylene, and the second component comprising linear low density polyethylene.
Claim 53
Dependent Claim
47 words
A nonwoven fabric as in claim 33 wherein the first component has a first melting point and the second component has a second melting point less than the first melting point, the first component comprising polypropylene and the second component comprising random copolymers of propylene and ethylene.
Claim 54
Dependent Claim
92 words
A nonwoven fabric as in claim 33 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands; and the ethylene alkyl acrylate copolymer is present in an amount from about 2 to about 50% by weight of the second component and the polyolefin is present in an amount from about 98 to about 50% by weight of the second component.
Claim 55
Dependent Claim
19 words
A nonwoven fabric as in claim 51 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 56
Dependent Claim
22 words
A nonwoven fabric as in claim 51 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 57
Dependent Claim
92 words
A nonwoven fabric as in claim 33 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands; and the ethylene alkyl acrylate copolymer is present in an amount from about 5 to about 25% by weight of the second component and the polyolefin is present in an amount from about 95 to about 75% by weight of the second component.
Claim 58
Dependent Claim
19 words
A nonwoven fabric as in claim 52 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 59
Dependent Claim
22 words
A nonwoven fabric as in claim 54 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 60
Dependent Claim
92 words
A nonwoven fabric as in claim 33 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the strands and the second polymeric component is present in an amount from about 80 to about 20% by weight of the strands; and the ethylene alkyl acrylate copolymer is present in an amount from about 10 to about 20% by weight of the second component and the polyolefin is present in an amount from about 90 to about 80% by weight of the second component.
Claim 61
Dependent Claim
19 words
A nonwoven fabric as in claim 57 wherein the first component comprises polypropylene and the second component comprises polyethylene.
Claim 62
Dependent Claim
22 words
A nonwoven fabric as in claim 57 wherein the first component comprises polypropylene and the second component comprises linear low density polyethylene.
Claim 63
Dependent Claim
260 words
A nonwoven fabric web comprising: a first web of continuous multicomponent polymeric filaments including first and second polymeric components, the multicomponent filaments having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent filaments and extending continuously along the length of the multicomponent filaments, the second component constituting at least a portion of the peripheral surface of the multicomponent filaments continuously along the length of the multicomponent filaments and including a first blend of a polyolefin and an ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands composed of but a single polymeric component comprising a second blend of a polyolefin and a ethylene alkyl acrylate copolymer; and a third web of continuous multicomponent polymeric filaments including first and second polymeric components, the multicomponent filaments having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent filaments and extending continuously along the length of the multicomponent filaments, the second component constituting at least a portion of the peripheral surface of the multicomponent filaments continuously along the length of the multicomponent filaments and including a third blend of a polyolefin and ethylene alkyl acrylate copolymer, the first, second, and third webs being positioned in laminar surface-to-surface relationship, the first web being bonded to one side of the second web and the third web being bonded to an opposite side of the second web to form an integrated fabric.
Claim 64
Dependent Claim
260 words
A nonwoven fabric web comprising: a first web of continuous multicomponent polymeric filaments including first and second polymeric components, the multicomponent filaments having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent filaments and extending continuously along the length of the multicomponent filaments, the second component constituting at least a portion of the peripheral surface of the multicomponent filaments continuously along the length of the multicomponent filaments and including a first blend of a polyolefin and an ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands composed of but a single polymeric component comprising a second blend of a polyolefin and a ethylene alkyl acrylate copolymer; and a third web of continuous multicomponent polymeric filaments including first and second polymeric components, the multicomponent filaments having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent filaments and extending continuously along the length of the multicomponent filaments, the second component constituting at least a portion of the peripheral surface of the multicomponent filaments continuously along the length of the multicomponent filaments and including a third blend of a polyolefin and ethylene alkyl acrylate copolymer, the first, second, and third webs being positioned in laminar surface-to-surface relationship, the first web being bonded to one side of the second web and the third web being bonded to an opposite side of the second web to form an integrated fabric.
Claim 65
Dependent Claim
16 words
A nonwoven fabric as in claim 60 wherein the strands of the second web are meltblown.
Claim 66
Dependent Claim
121 words
A nonwoven fabric as in claim 60 wherein: the first polymeric component is present in an amount from about 20 to about 80% by weight of the filaments and the second polymeric component is present in an amount from about 80 to about 20% by weight of the filaments; and the ethylene alkyl acrylate copolymer is present in the second component of the first and third webs and in the single component of the second web in an amount from about 2 to about 50% by weight and the polyolefin is present in the second component of the first and third webs and the single component of the second web in an amount from about 98 to about 50% by weight.
Claim 67
Dependent Claim
33 words
A nonwoven fabric as in claim 60 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
Claim 68
Dependent Claim
39 words
A nonwoven fabric as in claim 63 wherein the first component of the first and third webs comprises polypropylene and the second component of the first and third webs and the single component of the second web comprises polyethylene.
Claim 69
Dependent Claim
42 words
A nonwoven fabric as in claim 63 wherein the first component of the first and third webs comprises polypropylene and the second component of the first and third webs and the single component of the second web comprises linear low density polyethylene.
Claim 70
Dependent Claim
122 words
A nonwoven fabric comprising: a first web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a first blend of a polyolefin and ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands, the first and second webs being positioned in laminar surface-to-surface relationship and bonded together to form an integrated fabric.
Claim 71
Dependent Claim
122 words
A nonwoven fabric comprising: a first web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a first blend of a polyolefin and ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands, the first and second webs being positioned in laminar surface-to-surface relationship and bonded together to form an integrated fabric.
Claim 72
Dependent Claim
33 words
A nonwoven fabric as in claim 66 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
Claim 73
Dependent Claim
97 words
A personal care article comprising a layer of nonwoven fabric comprising extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a blend of a polyolefin and ethylene alkyl acrylate copolymer.
Claim 74
Dependent Claim
97 words
A personal care article comprising a layer of nonwoven fabric comprising extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a blend of a polyolefin and ethylene alkyl acrylate copolymer.
Claim 75
Dependent Claim
34 words
A personal care article as in claim 68 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
Claim 76
Dependent Claim
26 words
A personal care article as in claim 68, wherein the strands form a web and further comprising a layer of polymer film bonded to the web.
Claim 77
Dependent Claim
147 words
A garment comprising a layer of nonwoven fabric comprising: a first web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a first blend of a polyolefin and an ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands composed of but a single polymeric component comprising a second blend of a polyolefin and ethylene alkyl acrylate copolymer, the first and second webs being positioned in laminar surface-to-surface relationship and bonded together to form an integrated fabric.
Claim 78
Dependent Claim
147 words
A garment comprising a layer of nonwoven fabric comprising: a first web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a first blend of a polyolefin and an ethylene alkyl acrylate copolymer; and a second web of extruded polymeric strands composed of but a single polymeric component comprising a second blend of a polyolefin and ethylene alkyl acrylate copolymer, the first and second webs being positioned in laminar surface-to-surface relationship and bonded together to form an integrated fabric.
Claim 79
Dependent Claim
15 words
A garment as in claim 71 wherein the strands of the second web are meltblown.
Claim 80
Dependent Claim
130 words
A garment as in claim 71 wherein the layer of nonwoven fabric comprises a third web of extruded multicomponent polymeric strands including first and second polymeric components, the multicomponent strands having a cross-section, a length, and a peripheral surface, the first and second components being arranged in substantially distinct zones across the cross-section of the multicomponent strands and extending continuously along the length of the multicomponent strands, the second component constituting at least a portion of the peripheral surface of the multicomponent strands continuously along the length of the multicomponent strands and including a third blend of a polyolefin and ethylene alkyl acrylate copolymer, the first web being bonded to one side of the second web and the third web being bonded to an opposite side of the second web.
Claim 81
Dependent Claim
15 words
A garment as in claim 73 wherein the strands of the second web are meltblown.
Claim 82
Dependent Claim
32 words
A garment as in claim 71 wherein the ethylene alkyl acrylate copolymer is selected from the group consisting of ethylene butyl acrylate copolymer, ethylene ethyl acrylate copolymer, and ethylene methyl acrylate copolymer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-08-08 | 1998-02-07 | 1998-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-08 | 2002-02-07 | 2002-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-08 | 2006-02-07 | 2006-08-09 | $7700.00 | Window Closed / Lapsed |