Patent US2193718A successfully refreshed from Google Patents.
Patent DE660256C successfully refreshed from Google Patents.
Patent US3087907A successfully refreshed from Google Patents.
US3087907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylpyridine copolymer rubber composition containing metallic halide
Assignee: Uniroyal Inc
•
Filing: 1960-04-29
•
Granted: 1963-04-30
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jr William F Brucksch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:03
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/16; B; B60; B60C; B60C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A METHOD OF INCREASING THE CUT-GTOWTH RESISTANCE OF A VULCANIZED VINYLPYRIDINE COPOLYMER RUBBER STOCK COMPRISING MIXING INTIMATELY WITH SAID COPOLYMER, PRIOR TO VULCANIZATION, A METALIC HALIDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CHLORIDE, CALCIUM CHLORIDE, ZINC CHLORIDE AND ZINC BROMIDE, IN AMOUNT OF FROM 1 TO 8 PARTS BY WEIGHT PER 100 PARTS OF SAID COPOLYMER, AND A VULCANIZING AGENT FOR THE SAID COPOLYMER, THE SAID COPOLYMER BEING SELECTED FROM THE GROUP CONSISTING OF (1) COPOLYMERS OF FROM 70% TO 95% OF BUTADIENE AND FROM 30% TO 5% OF A MONOVINYLPYRIDINE, AND (2) TERPOLYMERS OF FROM 70% TO 95% OF BUTADIENE, FROM 30% TO 5% OF A MONOVINYLPYRIDINE AND UP TO 25% OF STYRENE WITH THE PROVISO THAT THE SUM OF THE STYRENE CONTENT AND THE VINYLPYRIDINE CONTENT SHALL NOT EXCEED 30%, THE SAID PERCENTAGES BEING EXPRESSED BY WEIGHT AND BEING BASED ON THE WHOLE COPOLYMER AS 100%, AND THEREAFTER VULCANIZING THE COPOLYMER WITH THE SAID AMOUNT OF INTIMATELY ADMIXED METALLIC HALIDE CONTAINED THEREIN.
Claim 2
Independent Claim
165 words
A METHOD OF INCREASING THE CUT-GTOWTH RESISTANCE OF A VULCANIZED VINYLPYRIDINE COPOLYMER RUBBER STOCK COMPRISING MIXING INTIMATELY WITH SAID COPOLYMER, PRIOR TO VULCANIZATION, A METALIC HALIDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CHLORIDE, CALCIUM CHLORIDE, ZINC CHLORIDE AND ZINC BROMIDE, IN AMOUNT OF FROM 1 TO 8 PARTS BY WEIGHT PER 100 PARTS OF SAID COPOLYMER, AND A VULCANIZING AGENT FOR THE SAID COPOLYMER, THE SAID COPOLYMER BEING SELECTED FROM THE GROUP CONSISTING OF (1) COPOLYMERS OF FROM 70% TO 95% OF BUTADIENE AND FROM 30% TO 5% OF A MONOVINYLPYRIDINE, AND (2) TERPOLYMERS OF FROM 70% TO 95% OF BUTADIENE, FROM 30% TO 5% OF A MONOVINYLPYRIDINE AND UP TO 25% OF STYRENE WITH THE PROVISO THAT THE SUM OF THE STYRENE CONTENT AND THE VINYLPYRIDINE CONTENT SHALL NOT EXCEED 30%, THE SAID PERCENTAGES BEING EXPRESSED BY WEIGHT AND BEING BASED ON THE WHOLE COPOLYMER AS 100%, AND THEREAFTER VULCANIZING THE COPOLYMER WITH THE SAID AMOUNT OF INTIMATELY ADMIXED METALLIC HALIDE CONTAINED THEREIN.
References Cited (Backward Citations)
US2434129A
Cited
US2473016A
Cited
US2481810A
Cited
US2565812A
Cited
US2710287A
Cited
US2825720A
Cited
US2927099A
Cited
US3014005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |