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Partially oriented nylon yarn and process

Assignee: Solutia Inc
•
Filing: 1984-04-02
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Granted: 1986-04-22
•
Expires: 2004-04-02
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Abstract

Abstract An improved partially-oriented nylon 66 (PON) spinning process and product are provided by increasing the molecular weight well above the levels customary for apparel end uses.

Inventors

  • 👤 John M. Chamberlin
  • 👤 Edward W. Chilvers, Jr.
  • 👤 Walter J. Nunning
  • 👤 John H. Southern

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 17:42
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0286; D01; D01D; D01D5/00; D01D5/12; D01F; D01F6/00; D01F6/58; D01F6/60; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 40 words
A nylon 66 apparel yarn suitable for false-twist texturing, said yarn having: (a) a denier between 15 and 250; (b) a normalized SAXS peak intensity of at least 1.3; and (c) a normalized lamellar dimensional product of at least 1.3.
Claim 2
Dependent Claim 40 words
A nylon 66 apparel yarn suitable for false-twist texturing, said yarn having: (a) a denier between 15 and 250; (b) a normalized SAXS peak intensity of at least 1.3; and (c) a normalized lamellar dimensional product of at least 1.3.
Claim 3
Dependent Claim 57 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) an RV greater than 46; (b) an elongation between 55 and 150%; and (c) a denier between 15 and 250.
Claim 4
Dependent Claim 57 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) an RV greater than 46; (b) an elongation between 55 and 150%; and (c) a denier between 15 and 250.
Claim 5
Dependent Claim 18 words
The yarn defined in claim 2, wherein said winding tension is between 0.03 and 0.25 grams per denier.
Claim 6
Dependent Claim 27 words
The yarn defined in claim 2, wherein said yarn has a normalized SAXS peak intensity greater than 1.3 and a normalized lamellar dimensional product greater than 1.3.
Claim 7
Dependent Claim 16 words
The yarn defined in claim 2, wherein said yarn has a denier between 35 and 140.
Claim 8
Dependent Claim 57 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) an RV greater than 53; (b) an elongation between 55 and 150%; and (c) a denier between 15 and 250.
Claim 9
Dependent Claim 57 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) an RV greater than 53; (b) an elongation between 55 and 150%; and (c) a denier between 15 and 250.
Claim 10
Dependent Claim 18 words
The yarn defined in claim 6, wherein said winding tension is between 0.03 and 0.25 grams per denier.
Claim 11
Dependent Claim 27 words
The yarn defined in claim 6, wherein said yarn has a normalized SAXS peak intensity greater than 1.3 and a normalized lamellar dimensional product greater than 1.3.
Claim 12
Dependent Claim 27 words
The yarn defined in claim 6, wherein said yarn has a normalized SAXS peak intensity greater than 1.75 and a normalized lamellar dimensional product greater than 1.75.
Claim 13
Dependent Claim 57 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) an RV greater than 60; (b) an elongation between 55 and 150%; and (c) a denier between 15 and 250.
Claim 14
Dependent Claim 57 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) an RV greater than 60; (b) an elongation between 55 and 150%; and (c) a denier between 15 and 250.
Claim 15
Dependent Claim 18 words
The yarn defined in claim 10, wherein said winding tension is between 0.03 and 0.25 grams per denier.
Claim 16
Dependent Claim 27 words
The yarn defined in claim 10, wherein said yarn has a normalized SAXS peak intensity greater than 1.3 and a normalized lamellar dimensional product greater than 1.3.
Claim 17
Dependent Claim 27 words
The yarn defined in claim 10, wherein said yarn has a normalized SAXS peak intensity greater than 1.75 and a normalized lamellar dimensional product greater than 1.75.
Claim 18
Dependent Claim 62 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) a denier between 15 and 250; (b) a normalized SAXS peak intensity greater than 1.3; and (c) a normalized lamellar dimensional product greater than 1.3.
Claim 19
Dependent Claim 62 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) a denier between 15 and 250; (b) a normalized SAXS peak intensity greater than 1.3; and (c) a normalized lamellar dimensional product greater than 1.3.
Claim 20
Dependent Claim 21 words
The defined in claim 14, wherein said normalized SAXS peak intensity and said normalized lamellar dimensional product are greater than 1.75.
Claim 21
Dependent Claim 53 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) a denier between 15 and 250; and (b) a normalized SAXS peak intensity greater than 1.3.
Claim 22
Dependent Claim 53 words
A multifilament nylon 66 feed yarn for drawtexturing spun at a spinning speed greater than 2200 MPM, said yarn being wound on a package at a winding tension less than 0.4 grams per denier and having: (a) a denier between 15 and 250; and (b) a normalized SAXS peak intensity greater than 1.3.
Claim 23
Dependent Claim 18 words
The yarn defined in claim 16, wherein said yarn has a normalized SAXS peak intensity greater than 1.75.

References Cited (Backward Citations)

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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) 1989-04-21 1989-10-21 1990-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-04-21 1993-10-21 1994-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-04-21 1997-10-21 1998-04-22 $7700.00 Window Closed / Lapsed

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