US3767628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Age resisters and age resistant polymeric compositions
Assignee: Goodyear Tire and Rubber Co
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Filing: 1972-01-17
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Granted: 1973-10-23
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Expires: 1992-01-17
Abstract
Abstract AMIDE AND IMIDE AGE RESISTERS SUCH AS N-(4-ANILINOPHENYL) ACRYLAMIDE, N-(4-ANILINOPHENYL) MALEAMIC ACID AND N-(4-ANILINOPHENYL) MALEIMIDE, AGE RESISTANT POLYMERS HAVING AMIDE AND IMIDE AGE RESISTERS PHYCIALLY COMBINDED THEREWITH AND AGE RESISTANT POLYMERIC COMPOSITIONS PREPARED BY FREE RADICAL POLYMERIZATION TECHNIQUES INVOLVING THE USE OF SAID AMIDES AND IMIDES AS MONOMERS.
Inventors
- 👤 R Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:42
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C08F; C08F20/00; C08F20/02; C08F20/52; C08F22/00; C08F22/36; C08F236/00; C08F236/02; C08F236/04; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |