US2890197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a diepoxide, a polycarboxylic acid and a polyhydric compound
Assignee: Union Carbide Corp
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Filing: 1957-04-04
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Granted: 1959-06-09
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Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
- 👤 Jr Charles W Mcgary
- 👤 Jr Charles T Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4284; C08G59/62; C08G59/621
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
CURABLE COMPOSITIONS COMPRISNG (A) EPOXIDES CHARACTERIZED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
10 words
CURABLE COMPOSITIONS COMPRISNG (A) EPOXIDES CHARACTERIZED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
CA530335A
Cited
US2602785A
Cited
US2609357A
Cited
US2720500A
Cited
US2716123A
Cited
US2750395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |