Patent US3232957A successfully refreshed from Google Patents.
US3232957A
Expired / Lapsed
US
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Process for the preparation of olefin oxides
Assignee: Monsanto Co
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Filing: 1963-11-18
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Granted: 1966-02-01
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Dexter B Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:53
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/06; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
PROCESS FOR THE PREPARATION OF OLEFIN OXIDES WHICH COMPRISES OXIDIZING OLEFINICALLY UNSATURATED COMPOUNDS CONTAINING EPOXIDIZABLE ETHYLENE GROUPS AND HAVING UP TO 18 CARBON ATOMS WITH MOLECULAR OXYGEN IN A LIQUID REACTION MEDIUM CONSISTING ESSENTIALLY OF AT LEAST 25% BY WEIGHT OF AT LEAST ONE KETONE SELECTED FROM THE GROUP OF KETONES HAVING THE FORMULA
Claim 2
Dependent Claim
54 words
PROCESS FOR THE PREPARATION OF OLEFIN OXIDES WHICH COMPRISES OXIDIZING OLEFINICALLY UNSATURATED COMPOUNDS CONTAINING EPOXIDIZABLE ETHYLENE GROUPS AND HAVING UP TO 18 CARBON ATOMS WITH MOLECULAR OXYGEN IN A LIQUID REACTION MEDIUM CONSISTING ESSENTIALLY OF AT LEAST 25% BY WEIGHT OF AT LEAST ONE KETONE SELECTED FROM THE GROUP OF KETONES HAVING THE FORMULA
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |