US3062841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidation of alpha, beta ethylenic ketones with organic hydroperoxides
Assignee: Shell USA Inc
•
Filing: 1958-09-18
•
Granted: 1962-11-06
•
Expires: 1978-09-18
Abstract
No abstract record available.
Inventors
- 👤 Nien-Chu C Yang
- 👤 Richard A Finnegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:40
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/32; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A PROCESS FOR PRODUCING ALPHA,BETA-EPOXYKETONE BY EPOXIDIZING THE CORRESPONDING ALPHA,BETA-ETHYLENIC KETONE OF 4 TO 30 CARBON ATOMS PER MOLECULE CONPOSED ONYL OF CARBON, HYDROGEN AND OXYGEN ATOMS, THE IMPROVEMENT WHICH COMPRISEDS REACTING SAID ALPHA,BETA-ETHYLENIC KETONE WITH A HYDROPEROXIDE OF 1 TO 20 CARBON ATOMS PER MOLECULE COMPOSED ONLY OF CARBON, HYDROGEN AND OXYGEN ATOMS WHILE MAINTAINING THE PH OF THE REACTION MIXTURE IN THE RANGE OF ABOUT 6 TO ABOUT 10, AND RECOVERING THE RESULTIONG ALPHA,BETA-EPOXYKETONE.
Claim 2
Dependent Claim
77 words
IN A PROCESS FOR PRODUCING ALPHA,BETA-EPOXYKETONE BY EPOXIDIZING THE CORRESPONDING ALPHA,BETA-ETHYLENIC KETONE OF 4 TO 30 CARBON ATOMS PER MOLECULE CONPOSED ONYL OF CARBON, HYDROGEN AND OXYGEN ATOMS, THE IMPROVEMENT WHICH COMPRISEDS REACTING SAID ALPHA,BETA-ETHYLENIC KETONE WITH A HYDROPEROXIDE OF 1 TO 20 CARBON ATOMS PER MOLECULE COMPOSED ONLY OF CARBON, HYDROGEN AND OXYGEN ATOMS WHILE MAINTAINING THE PH OF THE REACTION MIXTURE IN THE RANGE OF ABOUT 6 TO ABOUT 10, AND RECOVERING THE RESULTIONG ALPHA,BETA-EPOXYKETONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |