Patent US3247244A successfully refreshed from Google Patents.
US3247244A
Expired / Lapsed
US
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Method for producing organic peroxyacids
Assignee: FMC Corp
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Filing: 1962-05-24
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Granted: 1966-04-19
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 John H Blumbergs
- 👤 Harold K Latourette
- 👤 Berkowitz Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:20
CPC Classifications
C; C07; C07C; C07C407/00; C07C407/003; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN THE PROCESS OF PRODUCING A PEROXYCARBOXYLIC ACID HAVING AT LEAST 4 CARB ON ATOMS WHEREIN A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ACYL HALIDE AND THE ANHYDRIDE OF THE PEROXYCARBOXYLIC ACID TO BE PRODUCED IS REACTED WITH AN AQUEOUS ALKALI METAL PEROXIDE SOLUTION, SAID SOLUTION HAVING AN ACTIVE OXYGEN CONTENT OF ABOVE ABOUT 1% BY WEIGHT, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION IN THE PRESENCE OF AN ALIPHATIC TERTIARY ALCOHOL HAVING A WATER SOLUBILITY OF ABOVE ABOUT 5% BY WEIGHT AND BEING NON-REACTIVE WITH SAID COMPOUND AND SAID SOLUTION
Claim 2
Dependent Claim
94 words
IN THE PROCESS OF PRODUCING A PEROXYCARBOXYLIC ACID HAVING AT LEAST 4 CARB ON ATOMS WHEREIN A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ACYL HALIDE AND THE ANHYDRIDE OF THE PEROXYCARBOXYLIC ACID TO BE PRODUCED IS REACTED WITH AN AQUEOUS ALKALI METAL PEROXIDE SOLUTION, SAID SOLUTION HAVING AN ACTIVE OXYGEN CONTENT OF ABOVE ABOUT 1% BY WEIGHT, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION IN THE PRESENCE OF AN ALIPHATIC TERTIARY ALCOHOL HAVING A WATER SOLUBILITY OF ABOVE ABOUT 5% BY WEIGHT AND BEING NON-REACTIVE WITH SAID COMPOUND AND SAID SOLUTION
References Cited (Backward Citations)
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Cited
US2169368A
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US2284477A
Cited
US2395638A
Cited
FR1177466A
Cited
FR1210832A
Cited
US3130169A
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |