US2835646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic impact-resistant composition of a styrene/acrylonitrile resin and a rubbery ethyl acrylate polymer
Assignee: Goodyear Tire and Rubber Co
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Filing: 1955-12-08
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Granted: 1958-05-20
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Expires: 1975-12-08
Abstract
No abstract record available.
Inventors
- 👤 Harold S Sell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08L33/00; C08L33/04; C08L33/06; C08L33/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A THERMOPLASTIC IMPACT-RESISTANT COMPOSITION COMPRISING A BLEND OF 10 TO 90 PARTS OF A RUBBERY ETHYL ACRYLATE POLYMER RESULTING FROM THE POLYMERIZATION OF A MIXTURE CONTAINING AT LEAST 95% BY WEIGHT OF ETHYL ACRYLATE AND UP TO 5% BY WEIGHT OF 2-CHLOROETHYL VINYL ETHER, AND 90 TO 10 PARTS OF A COPOLYMER RESULTING FROM THE POLYMERIZATION OF A MIXTURE CONTAINING 50 TO 85% BY WEIGHT OF STYRENE AND FROM 50 TO 15% BY WEIGHT OF ACRYLONITRILE, SAID PARTS BEING BY WEIGHT BASED ON THE SUM OF THE WEIGHTS OF THE ACRYLATE POLYMER AND THE STYRENE/ACRYLONITRILE COPOLYMER.
Claim 2
Dependent Claim
96 words
A THERMOPLASTIC IMPACT-RESISTANT COMPOSITION COMPRISING A BLEND OF 10 TO 90 PARTS OF A RUBBERY ETHYL ACRYLATE POLYMER RESULTING FROM THE POLYMERIZATION OF A MIXTURE CONTAINING AT LEAST 95% BY WEIGHT OF ETHYL ACRYLATE AND UP TO 5% BY WEIGHT OF 2-CHLOROETHYL VINYL ETHER, AND 90 TO 10 PARTS OF A COPOLYMER RESULTING FROM THE POLYMERIZATION OF A MIXTURE CONTAINING 50 TO 85% BY WEIGHT OF STYRENE AND FROM 50 TO 15% BY WEIGHT OF ACRYLONITRILE, SAID PARTS BEING BY WEIGHT BASED ON THE SUM OF THE WEIGHTS OF THE ACRYLATE POLYMER AND THE STYRENE/ACRYLONITRILE COPOLYMER.
References Cited (Backward Citations)
GB691493A
Cited
US2646417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |