Patent US3201373A successfully refreshed from Google Patents.
US3201373A
Expired / Lapsed
US
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Synthetic chlorine containing rubberacrylate type polymers
Assignee: Wyeth Holdings LLC
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Filing: 1962-06-19
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Granted: 1965-08-17
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Expires: 1982-06-19
Abstract
No abstract record available.
Inventors
- 👤 Kaizerman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:17
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F18/00; C08F18/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SULFUR-VULCANIZABLE SYNTHETIC ELASTOMRE OBTAINED BY COPOLYMERIZING IN THE PRESENCE OF A FREE RADICAL CATALYST A MIXTURE CONTAINING AT LEAST 70 WEIGHT PERCENT OF AN ALKYLACRYLATE AND SUFFICIENT VINYLCHLOROACETATE TO PRODUCE IN THE ELASTOMER A CHLORINE CONTENT OF ABOUT 0.4 TO ABOUT 3 WEIGHT PERCENT CHLORINE, THE ALKYL GROUPS IN SAID ALKYLACRYLATE CONTAINING FROM 1-8 CARBON ATOMS.
Claim 2
Dependent Claim
57 words
A SULFUR-VULCANIZABLE SYNTHETIC ELASTOMRE OBTAINED BY COPOLYMERIZING IN THE PRESENCE OF A FREE RADICAL CATALYST A MIXTURE CONTAINING AT LEAST 70 WEIGHT PERCENT OF AN ALKYLACRYLATE AND SUFFICIENT VINYLCHLOROACETATE TO PRODUCE IN THE ELASTOMER A CHLORINE CONTENT OF ABOUT 0.4 TO ABOUT 3 WEIGHT PERCENT CHLORINE, THE ALKYL GROUPS IN SAID ALKYLACRYLATE CONTAINING FROM 1-8 CARBON ATOMS.
References Cited (Backward Citations)
US2643922A
Cited
US2742942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |