US2806045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of per-fatty acids
Assignee: Evonik Operations GmbH
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Filing: 1956-12-19
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Granted: 1957-09-10
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Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gross Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:28
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/006; C07; C07C; C07C407/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR THE PRODUCTION OF PER-FATTY ACIDS WHICH COMPRISES REACTING A FATTY ACID WHICH IS AT LEAST DIFFICULTY SOLUBLE IN AQUEOUS SALT SOLUTION WITH A CONCENTRATED AQUEOUS HYDROGEN PEROXIDE SOLUTION IN THE PRESENCE OF A FLUORIDE SELECTED FROM THE GROUP CONSISTING OF BORON TRIFLUORIDE AND BORON TRIFLUORIDE MONOHYDRATE.
Claim 2
Dependent Claim
49 words
A PROCESS FOR THE PRODUCTION OF PER-FATTY ACIDS WHICH COMPRISES REACTING A FATTY ACID WHICH IS AT LEAST DIFFICULTY SOLUBLE IN AQUEOUS SALT SOLUTION WITH A CONCENTRATED AQUEOUS HYDROGEN PEROXIDE SOLUTION IN THE PRESENCE OF A FLUORIDE SELECTED FROM THE GROUP CONSISTING OF BORON TRIFLUORIDE AND BORON TRIFLUORIDE MONOHYDRATE.
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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |