US2914505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic compositions comprising blends of an elastomer and certain tripolymers and process for preparing same
Assignee: Individual
•
Filing: 1957-04-12
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Granted: 1959-11-24
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Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Roper Alec Norman
- 👤 Seijo Ernest
- 👤 Barb Wolfgang Gersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:15
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08L35/00; C08L35/06; C08L47/00; C08L9/00; C08L9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PLASTIC COMPOSITION COMPRISING A BLEND OF 10 TO 40 PARTS OF AN ELASTOMERIC COPOLYMER OF A CONJUGATED DIOLEFIN AND ACRYLONITRILE WITH 60 TO 90 PARTS OF A TERNARY COPOLYMER OF (A) 50% TO 80% OF AN ALKENYL-SUBSTITUTED AROMATIC COMPOUND OF THE GROUP CONSISTING OF STYRENE, ALPHA-METHYLSTYRENE, VINYL NAPHTALENE, DIMETHYLSTYRENE, VINYL TOLUENE AND 3,4-DIETHYLSTYRENE, (B) 15% TO 40% BY WEIGHT OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED NITRILE HAVING THE FORMULA
Claim 2
Dependent Claim
69 words
A PLASTIC COMPOSITION COMPRISING A BLEND OF 10 TO 40 PARTS OF AN ELASTOMERIC COPOLYMER OF A CONJUGATED DIOLEFIN AND ACRYLONITRILE WITH 60 TO 90 PARTS OF A TERNARY COPOLYMER OF (A) 50% TO 80% OF AN ALKENYL-SUBSTITUTED AROMATIC COMPOUND OF THE GROUP CONSISTING OF STYRENE, ALPHA-METHYLSTYRENE, VINYL NAPHTALENE, DIMETHYLSTYRENE, VINYL TOLUENE AND 3,4-DIETHYLSTYRENE, (B) 15% TO 40% BY WEIGHT OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED NITRILE HAVING THE FORMULA
References Cited (Backward Citations)
US2614093A
Cited
US2573273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |