US2745847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diepoxides
Assignee: Union Carbide Corp
•
Filing: 1953-10-08
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Granted: 1956-05-15
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Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:08
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE DIHYDRIC ALCOHOL DIESTERS OF ACIDS SELECTED FROM THE GROUP CONSISTING OF 3,4-EPOXYCYCLOHEXANECARBOXYLIC ACID AND LOWER ALKYL SUBSTITUTED 3,4-EPOXYCYCLOHEXANECARBOXYLIC ACIDS IN WHICH THE HYDROXYL GROUPS OF SAID DIHYDRIC ALCOHOLS ARE ESTERFIED BY SAID ACIDS AND WHEREIN SAID DIHYDRIC ALCOHOL REPRESENTS MEMBERS SELECTED FROM THE GROUP CONSISTING OF LOWER ALIPHATIC HYDROCARBON GLYCOLS AND POLYALKYLENE GLYCOLS CORRESPONDING TO THE GENERAL FORMULA:
Claim 2
Dependent Claim
59 words
THE DIHYDRIC ALCOHOL DIESTERS OF ACIDS SELECTED FROM THE GROUP CONSISTING OF 3,4-EPOXYCYCLOHEXANECARBOXYLIC ACID AND LOWER ALKYL SUBSTITUTED 3,4-EPOXYCYCLOHEXANECARBOXYLIC ACIDS IN WHICH THE HYDROXYL GROUPS OF SAID DIHYDRIC ALCOHOLS ARE ESTERFIED BY SAID ACIDS AND WHEREIN SAID DIHYDRIC ALCOHOL REPRESENTS MEMBERS SELECTED FROM THE GROUP CONSISTING OF LOWER ALIPHATIC HYDROCARBON GLYCOLS AND POLYALKYLENE GLYCOLS CORRESPONDING TO 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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |