Patent US2666039A successfully refreshed from Google Patents.
US2666039A
Expired / Lapsed
US
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Stabilizing and plasticizing vinylidene chloride resins
Assignee: Bridgestone Firestone Inc
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Filing: 1952-12-22
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Granted: 1954-01-12
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Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert J Reid
- 👤 Jr William Mayo Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PLASTICISED, HEAT- AND LIGHT RESISTANT, STABLY COMPATIBLE COMPOSITION COMPRISING A RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYLIDENE CHLORIDE AND COPOLYMERS THEREOF WITH UP TO 15%, BASED ON THE WEIGHT OF SAID COPOLYMERS, OF OTHER UNSATURATED COMPOUNDS COPOLYMERIZABLE THEREWITH, TOGETHER WITH FROM 0.5 TO 10%, BASED ON THE WEIGHT OF SAID RESIN, OF A CHLOROSUBSTITUTED PHENYL BENZOATE SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING COMPOUNDS:
Claim 2
Dependent Claim
69 words
A PLASTICISED, HEAT- AND LIGHT RESISTANT, STABLY COMPATIBLE COMPOSITION COMPRISING A RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYLIDENE CHLORIDE AND COPOLYMERS THEREOF WITH UP TO 15%, BASED ON THE WEIGHT OF SAID COPOLYMERS, OF OTHER UNSATURATED COMPOUNDS COPOLYMERIZABLE THEREWITH, TOGETHER WITH FROM 0.5 TO 10%, BASED ON THE WEIGHT OF SAID RESIN, OF A CHLOROSUBSTITUTED PHENYL BENZOATE SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING COMPOUNDS:
References Cited (Backward Citations)
US2157068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |