Patent US3763119A successfully refreshed from Google Patents.
US3763119A
Expired / Lapsed
US
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Acrylic ester vinylbenzyl chloride elastomers
Assignee: Zeon Chemical LP
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Filing: 1972-02-16
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Granted: 1973-10-02
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Expires: 1992-02-16
Abstract
Abstract ACRYLIC ESTER ELASTOMERS OF IMPROVED PROCESSING SAFETY ARE PREPARED BY POLYMERIZING TOGETHER A MAJOR AMOUNT OF AN ACRYLIC ESTER MONOMER AND A MINOR AMOUNT OF VINYL BENZYL CHLORIDE MONOMER AND OPTIONALLY A MINOR AMOUNT OF A COPOLYMERIZABLE VINYL MONOMER CONTAINING A TERMINAL VINYLIDENE GROUP. WHEN ADMIXED WITH VULCANIZING AGENTS, THE ELASTOMERS EXHIBIT INCREASED SCORCH TIME WITHOUT A COMPARABLE INCREASE IN CURE TIME.
Inventors
- 👤 Marco R De
- 👤 H Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:11
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1804; C08F220/1802
Claims Analysis
Total Claims: 0
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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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |