Patent US20060235286A1 successfully refreshed from Google Patents.
US2922727A
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Method of treating polyamide tire cord with caprolactam oligomers
Assignee: Akzona Inc
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Filing: 1956-02-07
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Granted: 1960-01-26
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Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Levison Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; B; B60; B60C; B60C9/00; B60C9/0042; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; C08J2321/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
METHOD OF TREATING POLYAMIDE YARN TO INCREASE THE ADHESION THEREOF TO RUBBER COMPRISING IMPREGNATING A POLYAMIDE YARN WITH A SOLUTION CONTAINING CAPROLACTAM OLIGOMERS AND THEN DRYING THE IMPREGNATED YARN, THE DRIED YARN HAVING AN OLIGOMER CONTENT OF AT LEAST 1% BY WEIGHT.
Claim 2
Dependent Claim
42 words
METHOD OF TREATING POLYAMIDE YARN TO INCREASE THE ADHESION THEREOF TO RUBBER COMPRISING IMPREGNATING A POLYAMIDE YARN WITH A SOLUTION CONTAINING CAPROLACTAM OLIGOMERS AND THEN DRYING THE IMPREGNATED YARN, THE DRIED YARN HAVING AN OLIGOMER CONTENT OF AT LEAST 1% BY WEIGHT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |