Patent US2481232A successfully refreshed from Google Patents.
Patent EP0154197A2 successfully refreshed from Google Patents.
EP0154197A2
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Fine denier fibers of olefin polymers
Assignee: Dow Chemical Co
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Filing: 1985-02-08
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Granted: —
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Expires: 2005-02-08
Abstract
Abstract Fine denier fibers and/or multi-filaments prepared from linear low density polyethylene copolymers (LLDPE) offer advantages over fibers from other polyolefins.
Inventors
- 👤 Lawrence H. Sawyer
- 👤 George W. Knight
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 05:03
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01F8/06; D01F6/00; D01F6/28; D01F6/30; D04; D04B; D04B1/00; D04B1/14; D04B1/16; C; C08; C08L; C08L2203/00; C08L2203/12; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/08; C08L23/0807; C08L23/0815
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
27 words
A fine denier fiber and/or multi-filament composition comprised of linear low density copolymers of ethylene with at least one alpha-olefin of C 3 to C 12 .
Claim 2
Dependent Claim
27 words
A fine denier fiber and/or multi-filament composition comprised of linear low density copolymers of ethylene with at least one alpha-olefin of C 3 to C 12 .
Claim 3
Dependent Claim
28 words
The composition of Claim 1 wherein the alpha-olefin is at least one of C 4 to C 8 and comprises 1 to 30 weight percent of the copolymer.
Claim 4
Dependent Claim
38 words
The composition of Claim 1 wherein the copolymer has a density in the range of 0.86 to 0.94 gms/cc and a melt flow value of 0.01 to 400 g/10 min. as measured by the method of ASTM D-1238(E).
Claim 5
Dependent Claim
36 words
The composition of Claim 1 wherein the copolymer has a density in the range of 0.90 to 0.94 gms/cc and a melt flow value of 6 to 300 g/10 min. by the method of ASTM D-1238(E).
Claim 6
Dependent Claim
10 words
The composition of Claim 1 wherein the alpha-olefin comprises 1-octene.
Claim 7
Dependent Claim
19 words
The composition of Claim 1 wherein the alpha-olefin comprises 2 or more C 3 to C 12 alpha olefins.
Claim 8
Dependent Claim
12 words
The composition of Claim 1 wherein the alpha-olefin comprises 1-octene and 1-butene.
Claim 9
Dependent Claim
17 words
The composition of Claim 1 wherein the fine denier fiber and/or multi-filament is 14 denier or less.
Claim 10
Dependent Claim
74 words
A fine denier fiber or multi-filament composition comprised of linear low density copolymers of ethylene with at least one alpha-olefin of C 3 to C 12' wherein said copolymer has a density of 0.86 to 0.94 gms/cc and a melt flow value of 0.01 to 400 gms/10 min., by the method of ASTM D-1238 (E), and said composition comprises a filament bundle, a non-woven web, a woven fabric, a knitted fabric, or staple fibers.
Claim 11
Dependent Claim
74 words
A fine denier fiber or multi-filament composition comprised of linear low density copolymers of ethylene with at least one alpha-olefin of C 3 to C 12' wherein said copolymer has a density of 0.86 to 0.94 gms/cc and a melt flow value of 0.01 to 400 gms/10 min., by the method of ASTM D-1238 (E), and said composition comprises a filament bundle, a non-woven web, a woven fabric, a knitted fabric, or staple fibers.
Claim 12
Dependent Claim
13 words
The composition of Claim 19 in blended form with other forms of fibers.
Claim 13
Dependent Claim
67 words
A process for preparing fine denier fibers and/or multi-filaments of ethylene copolymers by melt, solution, or composite spinning process characterized in that the copolymer is a linear low density copolymer of ethylene with at least one C 3 to C 12 alpha-olefin having a denisty of 0.86 to 0.94 g/cc and a melt flow value of 0.01 to 400 g/10 min by the method of ASTM D-1238(E).
Claim 14
Dependent Claim
67 words
A process for preparing fine denier fibers and/or multi-filaments of ethylene copolymers by melt, solution, or composite spinning process characterized in that the copolymer is a linear low density copolymer of ethylene with at least one C 3 to C 12 alpha-olefin having a denisty of 0.86 to 0.94 g/cc and a melt flow value of 0.01 to 400 g/10 min by the method of ASTM D-1238(E).
References Cited (Backward Citations)
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