US4583357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partially oriented nylon yarn and process
Assignee: Solutia Inc
•
Filing: 1984-04-02
•
Granted: 1986-04-22
•
Expires: 2004-04-02
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 17:29
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)
US2939201A
Cited
US3109195A
Cited
US3452131A
Cited
DE2117659A1
Cited
JPS4828012A
Cited
US3987136A
Cited
US3994121A
Cited
US4181697A
Cited
US4069657A
Cited
US4229500A
Cited
US4237187A
Cited
GB2056362A
Cited
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 |