Patent US3169986A successfully refreshed from Google Patents.
US3169986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peracid production by ester-h2o2 reaction
Assignee: BASF Schweiz AG
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Filing: 1961-03-21
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Granted: 1965-02-16
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Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 Webb Reginald Francis
- 👤 Large David Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:40
CPC Classifications
C; C07; C07C; C07C407/00; C07C407/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR THE PRODUCTION OF A PERACID WHEREIN A MIXTURE CONSITING ESSENTIALLY OF ANHYDROUS HYDROGEN PEROXIDE AND AN ESTER OF AN ORGANIC CARBOXYLIC ACID OF WHICH THE ALCOHOL MOIETY CONTAINS AT LEAST TWO CARBON ATOMS AND AN ACID CATALYST, THE INITIAL REACTION MIXTURE BEING SUBSTANTIALLY ANHYDROUS, IS REACTED AT A TEMPERATURE RANGING FROM ROOM TEMPERATURE TO THE BOILING POINT OF THE REACTANT SOLUTION.
Claim 2
Dependent Claim
64 words
A PROCESS FOR THE PRODUCTION OF A PERACID WHEREIN A MIXTURE CONSITING ESSENTIALLY OF ANHYDROUS HYDROGEN PEROXIDE AND AN ESTER OF AN ORGANIC CARBOXYLIC ACID OF WHICH THE ALCOHOL MOIETY CONTAINS AT LEAST TWO CARBON ATOMS AND AN ACID CATALYST, THE INITIAL REACTION MIXTURE BEING SUBSTANTIALLY ANHYDROUS, IS REACTED AT A TEMPERATURE RANGING FROM ROOM TEMPERATURE TO THE BOILING POINT OF THE REACTANT SOLUTION.
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |