Patent US2802804A successfully refreshed from Google Patents.
US2802804A
Expired / Lapsed
US
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Vinylidene chloride resins plasticized with acetals and method of extruding such compositions
Assignee: Bridgestone Firestone Inc
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Filing: 1954-11-03
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Granted: 1957-08-13
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Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert J Reid
- 👤 Byron H Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A RESIN COMPOSITION WHICH INCLUDES A RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLMERS OF VINYLIDENE CHLORIDE AND COPOLYMERS OF VINYLIDENE CHLORIDE WITH UPTO 15 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE RESIN, OF OTHER MONOMER COPOLYMERIZED THEREWITH, AND A SUB STANTIAL AMOUNT NOT IN EXCESS OF SUBSTANTIALLY 10 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE RESIN, OF AN ACETAL HAVING THE FORMULA
Claim 2
Dependent Claim
67 words
A RESIN COMPOSITION WHICH INCLUDES A RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLMERS OF VINYLIDENE CHLORIDE AND COPOLYMERS OF VINYLIDENE CHLORIDE WITH UPTO 15 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE RESIN, OF OTHER MONOMER COPOLYMERIZED THEREWITH, AND A SUB STANTIAL AMOUNT NOT IN EXCESS OF SUBSTANTIALLY 10 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE RESIN, OF AN ACETAL HAVING THE FORMULA
References Cited (Backward Citations)
US2273436A
Cited
US2575444A
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 |