US3053856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidation of ethylenic compounds with peroxycarboximidic acids
Assignee: Shell USA Inc
•
Filing: 1958-10-29
•
Granted: 1962-09-11
•
Expires: 1978-10-29
Abstract
No abstract record available.
Inventors
- 👤 George B Payne
- 👤 Philip H Deming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:34
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C07C; C07C407/00; C07D301/00; C07D301/02; C07D301/03; C07D301/14; C07D303/04; C07D303/32; C07D303/38; C07D303/40; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A PROCESS FOR MAKING AN OXIRANE COMPOUND BY EPOXIDIZING AN ETHYLENICALLY UNSATURATED COMPOUND HAVING AS THE ONLY ALIPHATIC CARBON-TO-CARBON UNSATURATION UP TO 2 OLEFINIC DOUBLE BONDS, SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF A HYDROCARBON, AND A HYDROCARBON CHLORIDE, ALDEHYDE, KETONE, ALCOHOL, ETHER, CARBOXYLIC ACID, CARBOXYLIC ACID ESTER, ACID HALIDE, AND AMIDE, SAID COMPOUND HAVING FROM 3 TO 57 CARBON ATOMS, THE IMPROVEMENT WHICH COMPRISES. REACTING SAID ETHYLENIC COMPOUND AT A PH OF AT LEAST 4 WITH PEROXYCARBOXIMIDIC ACID OF THE FORMULA
Claim 2
Dependent Claim
85 words
IN A PROCESS FOR MAKING AN OXIRANE COMPOUND BY EPOXIDIZING AN ETHYLENICALLY UNSATURATED COMPOUND HAVING AS THE ONLY ALIPHATIC CARBON-TO-CARBON UNSATURATION UP TO 2 OLEFINIC DOUBLE BONDS, SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF A HYDROCARBON, AND A HYDROCARBON CHLORIDE, ALDEHYDE, KETONE, ALCOHOL, ETHER, CARBOXYLIC ACID, CARBOXYLIC ACID ESTER, ACID HALIDE, AND AMIDE, SAID COMPOUND HAVING FROM 3 TO 57 CARBON ATOMS, THE IMPROVEMENT WHICH COMPRISES. REACTING SAID ETHYLENIC COMPOUND AT A PH OF AT LEAST 4 WITH PEROXYCARBOXIMIDIC ACID OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |