USRE33059E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partially oriented nylon yarn and process
Assignee: Solutia Inc
•
Filing: 1988-04-06
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Granted: 1989-09-19
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Expires: 2008-04-06
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; D01; D01D; D01D5/00; D01D5/08; D01D5/098; D01F; D01F6/00; D01F6/58; D01F6/60; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
62 words
said yarn has a denier between 35 and 140..]. 6. A multifilament nylon 66 .[.feed.]. yarn .Iadd.suitable .Iaddend.for .Iadd.false-twist .Iaddend.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
Claim 2
Dependent Claim
15 words
(c) a denier between 15 and 250. 7. The yarn defined in claim 6, wherein
Claim 3
Dependent Claim
36 words
said winding tension is between 0.03 and 0.25 grams per denier. 8. 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
Claim 4
Dependent Claim
26 words
greater than 1.3. 9. The yarn defined in claim 6, wherein said yarn has a normalized SAXS peak intensity greater than 1.75 and a normalized lamellar
Claim 5
Dependent Claim
58 words
dimensional product greater than 1.75. 10. A multifilament nylon 66 .[.feed.]. yarn .Iadd.suitable .Iaddend.for .Iadd.false-twist .Iaddend.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
Claim 6
Dependent Claim
15 words
(c) a denier between 15 and 250. 11. The yarn defined in claim 10, wherein
Claim 7
Dependent Claim
36 words
said winding tension is between 0.03 and 0.25 grams per denier. 12. 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
Claim 8
Dependent Claim
85 words
greater than 1.3. 13. 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. .[.14. 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
Claim 9
Dependent Claim
104 words
(c) a normalized lamellar dimensional product greater than 1.3..]. .[.15. The defined in claim 14, wherein said normalized SAXS peak intensity and said normalized lamellar dimensional product are greater than 1.75..]. .[.16. 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. .[.17. The yarn defined in claim 16, wherein said yarn has a normalized SAXS peak intensity greater than 1.75.
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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) | 1992-09-18 | 1993-03-20 | 1993-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-18 | 1997-03-20 | 1997-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-18 | 2001-03-20 | 2001-09-19 | $7700.00 | Window Closed / Lapsed |