US3388029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimensionally stabilized polyamide yarns and rubber products reinforced therewith
Assignee: Monsanto Co
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Filing: 1965-01-19
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Granted: 1968-06-11
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edmond P Brignac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:48
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/40; B60; B60C; B60C9/00; B60C9/0042; C08G; C08G69/00; C08G69/02; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053; D; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/58; D01F6/60; B29K; B29K2021/00; B29K2277/00; C08J2321/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
AN ARTICLE OF MANUFACTURE REINFORCED WITH A MELTSPUN CONTINUOUS MULTI-FILAMENT NYLON YARN WHOSE DIMENSIIONAL CHANGES IIN RESPONSE TO REPEATED HEATING AND COOLING ARE SUBSTANTIALLY REDUCED, THE REINFORCING YARN BEING CHARACTERIZED BY HAVING A TENACITY OF AT LEAST 6 GRAMS PER DENIER, A BOIL SHRINKAGE OF LESS THAN 9.5%, A DRY RETRACTION OF LESS THAN 2.0% AND A HIGH MOLECULAR WEIGHT INDICATED BY A RELATIVE VISCOSITY OF AT LEAST 35 AND PARTICULARLY CHARACTERIZED BY CONTAINING INTERNALLY WHEN MELT SPUN A SMALL BUT DIMENSIONAL STABILIZING AMOUNT OF NONCYCLIC POLAR POLYHYDRIC ALCOHOL HAVING 2 TO 6 HYDROXYL RADICALS AND 2 TO 12 CARBON ATOMS AND EXHIBITING A VAPOR PRESSURE NOT GREATER THAN 100 MM. OF HG AT 130*C., AND WHEREIN THE POLYHYDRIC ALCOHOL IS PRESENT IN A QUANTITY IN THE RANGE OF 0.25-5% BY WEIGHT.
References Cited (Backward Citations)
US3218222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |