US2673191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light stable vinylidene chloride polymer compositions
Assignee: Goodrich Corp
•
Filing: 1951-05-03
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Granted: 1954-03-23
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Expires: 1971-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:12
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/08; C08L35/00; C08L35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A LIGHT-STABLE COMPOSITION COMPRISING A POLYMER OF A MONOMERIC MIXTURE COMPRISING FROM 75 TO 90% BY WEIGHT OF VINYLIDENE CHLORIDE, 5 TO 15% VINYL CHLORIDE AND 5 TO 15% OF ETHYL ACRYLATE AND A MINOR AMOUNT OF A WATER-SOLUBLE AMMONIUM SALT OF A STYRENE MALEIC ANHYDRIDE COPOLYMER.
Claim 2
Dependent Claim
47 words
A LIGHT-STABLE COMPOSITION COMPRISING A POLYMER OF A MONOMERIC MIXTURE COMPRISING FROM 75 TO 90% BY WEIGHT OF VINYLIDENE CHLORIDE, 5 TO 15% VINYL CHLORIDE AND 5 TO 15% OF ETHYL ACRYLATE AND A MINOR AMOUNT OF A WATER-SOLUBLE AMMONIUM SALT OF A STYRENE MALEIC ANHYDRIDE COPOLYMER.
References Cited (Backward Citations)
US2490677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |