US3590080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of omega-hydroxy acids
Assignee: Akzo Nobel UK PLC
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Filing: 1966-10-17
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Granted: 1971-06-29
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Expires: 1986-10-17
Abstract
Abstract THE PROCESS FOR MAKING W-HYDROXY CARBOXYLIC ACIDS BY THE PEROXIDE OXIDATION OF CYCLIC KETONES USING A SOLUTION OF FREE POLYBASIC ACID CATALYSTS.
Inventors
- 👤 Stanley Beesley
- 👤 Victor Francis George Cooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:54
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/285
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |