US3641206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplast moulding compositions
Assignee: Bayer AG
•
Filing: 1969-03-05
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Granted: 1972-02-08
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Expires: 1989-03-05
Abstract
Abstract MIXTURE COMPRISING 30 TO 95% BY WEIGHT OF A BRITTLE AND HARD POLYMER SUCH AS A HOMOPOLYMER OR COPOLYMER OF STYRENE AND 70 TO 5% BY WEIGHT OF AN ELASTICIZING GRAFT POLYMER OF VINYL CHLORIDE ON ETHYLENE/VINYL ACETATE, SAID MIXTURE BEING USEFUL AS A THERMOPLASTIC-ELASTIC MOULDING COMPOSITION DISTINGUISHED BY HIGH NOTCHED IMPACT AND IMPACT STRENGTHS AND EXCELLENT RESISTANCE TO AGING AND NONINFLAMMABILITY.
Inventors
- 👤 Hans Weitzel
- 👤 Karl Dinges
- 👤 Wilhelm Gobel
- 👤 Dietrich Hardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:44
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08F; C08F255/00; C08F255/02; C08F255/026; C08L25/12; C08L51/00; C08L51/003; Y; Y10; Y10S; Y10S260/00; Y10S260/24
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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |