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US2927931A
Expired / Lapsed
US
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Epoxidation of unsatukated compounds
Assignee: —
•
Filing: —
•
Granted: 1960-03-08
•
Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/12; C07D301/14; C07D303/00; C07D303/02; C07D303/04; C07D303/12; C07D303/16; C07D303/38; C07D303/40; C07D303/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AN EPOXIDATION PROCESS WHICH COMPRISES CONTACTING AN ALPHA, BETA-OLEFINIC ESTER HAVING THE FORMULA:
Claim 2
Dependent Claim
13 words
AN EPOXIDATION PROCESS WHICH COMPRISES CONTACTING AN ALPHA, BETA-OLEFINIC ESTER HAVING THE FORMULA:
References Cited (Backward Citations)
US2493090A
Cited
US2680109A
Cited
US2785185A
Cited
US2748148A
Cited
US2779771A
Cited
US2783250A
Cited
US2786068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |