Patent US2674629A successfully refreshed from Google Patents.
US2674629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hydroperoxides using beta-ketonic esters as oxidation initiators
Assignee: Rhone Poulenc SA
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Filing: 1953-04-03
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Granted: 1954-04-06
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Expires: 1973-04-03
Abstract
No abstract record available.
Inventors
- 👤 Scriabine Igor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:06
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/02; C07C409/04; C07C409/08; C07C407/00; C07C409/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCES FOR THE PRODUCTION OF HYDROPEROXIDES OF HYDROCARBONS WHICH COMPRISES SUBJECTING THE PARENT HYDROCARBON IN THE LIQUID PHASE TO TREATMENT WITH OXYGEN AT ELEVATED TEMPERATURE IN THE PRESENCE OF A B-KETONIC ESTER.
Claim 2
Dependent Claim
33 words
A PROCES FOR THE PRODUCTION OF HYDROPEROXIDES OF HYDROCARBONS WHICH COMPRISES SUBJECTING THE PARENT HYDROCARBON IN THE LIQUID PHASE TO TREATMENT WITH OXYGEN AT ELEVATED TEMPERATURE IN THE PRESENCE OF A B-KETONIC ESTER.
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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |