Patent US3755454A successfully refreshed from Google Patents.
US3755454A
Expired / Lapsed
US
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Organic peroxides and method therefor
Assignee: Reichhold Chemicals Inc
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Filing: 1971-08-10
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Granted: 1973-08-28
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Expires: 1991-08-10
Abstract
Abstract THIS INVENTION DISCLOSES A PROCESS OF PREPARING ORGANIC PEROXIDES, BY REACTING A HYDROPEROXIDE HAVING THE GENERAL FORMULA R-O-O-H WITH AN A,B-UNSATURATED KETONE. THE A,B-UNSATURATED KETONE MAY HAVE A STRAIGHT CHAIN STRUCTURE OR A CYCLIC STRUCTURE. REACTION TAKES PLACE AT A TEMPERATURE FROM ABOUT 0*C.-80*C. IN THE PRESENCE OF AN ACIDIC CATALYST. THE MOLE RATIOS OF THE COMPONENTS MAY VARY FROM AOUT 10:1 TO 1:10.
Inventors
- 👤 Chang Y Ger
- 👤 P Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:21
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/16; C07C409/18; C07C407/00
Claims Analysis
Total Claims: 0
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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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |