Patent US2802809A successfully refreshed from Google Patents.
US2802809A
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Compositions of vinyl chloride resins and graft copolymers of acrylonitrile-type monomer compositions upon diene polymers and articles formed therefrom
Assignee: Bridgestone Firestone Inc
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Filing: 1953-11-30
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Granted: 1957-08-13
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Robert A Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:47
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; C08F279/04; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L55/00; C08L55/02; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COMPOSITION COMPRISING BLENDED WITH (B) A GRAFT COPOLYMER OF A STYRENE-ACRYLONIBASED ON THE TOTAL WEIGHT OF (A) PLUS (B) IN THE COMPOSITION. SAID VINYL CHLORIDE RESIN (A) BEING SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE AND COPOLYMERS THEREOF WITH OTHER UNSATURATED COMPOUNDS
Claim 2
Dependent Claim
46 words
A COMPOSITION COMPRISING BLENDED WITH (B) A GRAFT COPOLYMER OF A STYRENE-ACRYLONIBASED ON THE TOTAL WEIGHT OF (A) PLUS (B) IN THE COMPOSITION. SAID VINYL CHLORIDE RESIN (A) BEING SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE AND COPOLYMERS THEREOF WITH OTHER UNSATURATED COMPOUNDS
References Cited (Backward Citations)
US2636866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |