US2925399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a mixture of an elastomeric copolymer of butadiene and a thermoplastic copolymer of styrene and acrylonitrile and process for producing same
Assignee: Bayer AG
•
Filing: 1956-07-03
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Granted: 1960-02-16
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Expires: 1976-07-03
Abstract
No abstract record available.
Inventors
- 👤 Schneider Paul
- 👤 Scriba Gottfried
- 👤 Graulich Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:23
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/12; C08L19/00; C08L19/006; C08L33/00; C08L33/18; C08L33/20; C08L57/00; C08L57/04; C08L9/00; C08L9/02; Y; Y10; Y10S; Y10S273/00; Y10S273/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
AS A NOVEL COMPOSITION, A COMPOSITE THERMOPLASTIC MIXTURE OF (1) AN ELASTOMERIC COPOLYMER OF 35-94.9 PARTS BY WEIGHT OF A BUTADIENE, 5-45 PARTS BY WEIGHT OF ACRYLONITRILE AND 0.1-20 PARTS BY WEIGHT OF A FURTHER MONOETHYLENICALLY UNSATURATED MONOMER WHICH IS COPOLYMERIZABLE WITH BUTADIENE AND ACRYLONITRILE, SAID FURTHER MONOMER CONTAINING A CROSS-LINKING GROUP WHICH IS SELECTED FROM THE CLASS CONSISTING OF CARBOXYL, CARBAMYL,
Claim 2
Dependent Claim
62 words
AS A NOVEL COMPOSITION, A COMPOSITE THERMOPLASTIC MIXTURE OF (1) AN ELASTOMERIC COPOLYMER OF 35-94.9 PARTS BY WEIGHT OF A BUTADIENE, 5-45 PARTS BY WEIGHT OF ACRYLONITRILE AND 0.1-20 PARTS BY WEIGHT OF A FURTHER MONOETHYLENICALLY UNSATURATED MONOMER WHICH IS COPOLYMERIZABLE WITH BUTADIENE AND ACRYLONITRILE, SAID FURTHER MONOMER CONTAINING A CROSS-LINKING GROUP WHICH IS SELECTED FROM THE CLASS CONSISTING OF CARBOXYL, CARBAMYL,
References Cited (Backward Citations)
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Cited
US2439202A
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US2550139A
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US2652384A
Cited
US2600024A
Cited
US2698313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |