US2794030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aliphatic esters of 4, 5-epoxycyclohexane-1, 2-dicarboxylic acids
Assignee: Union Carbide Corp
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Filing: 1955-10-18
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Granted: 1957-05-28
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Expires: 1975-10-18
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
ESTERS OF 4,5 - EPOXYCYCLOHEXANE - 1,2 - DICARBOXYLIC ACIDS CHARACTERIZED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
15 words
ESTERS OF 4,5 - EPOXYCYCLOHEXANE - 1,2 - DICARBOXYLIC ACIDS CHARACTERIZED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |