US2833681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resins cured with a fluorinecontaining anhydride
Assignee: Occidental Chemical Corp
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Filing: 1956-08-23
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Granted: 1958-05-06
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Expires: 1976-08-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Nelson
- 👤 James S Sconce
- 👤 Robitschek Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:23
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4215; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525; Y10T428/31855; Y10T428/31942; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2713; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A POLYMERIZABLE COMPOSITION COMPRISING (A) A GLYCIDYL ETHER OF A POLYHYDRIC COMPOUND HAVING A 1,2EPOXY EQUIVALENCY OF MORE THAN ONE AND (B) A FLUOROBICYCLO HEPTENE DICARBOXYLIC ANHYDRIDE.
Claim 2
Dependent Claim
27 words
A POLYMERIZABLE COMPOSITION COMPRISING (A) A GLYCIDYL ETHER OF A POLYHYDRIC COMPOUND HAVING A 1,2EPOXY EQUIVALENCY OF MORE THAN ONE AND (B) A FLUOROBICYCLO HEPTENE DICARBOXYLIC ANHYDRIDE.
References Cited (Backward Citations)
US2744845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |