US3816522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic oxidation of carbonyl compounds
Assignee: Mobil Oil AS
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Filing: 1971-10-05
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Granted: 1974-06-11
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Expires: 1991-10-05
Abstract
Abstract CARBONYL COMPOUNDS, INCLUDING ALDEHYDES, MAY BE OXIDIZED UNDER MILD REACTION CONDITIONS TO THE CORRESPONDDING CARBOXY COMPOUND BY CARRYING OUT THE REACTION IN THE PRESENCE OF A THIAZOLIUM COMPOUND OR CYANIDE IONS AS CATALYST FOR THE OXIDATION. THE REACTION MIXTURES PRODUCED BY THE METHOD OF THIS INVENTION ARE OF UTILITY.
Inventors
- 👤 T Goldstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:24
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/23; C07C51/235; C07C59/00; C07C59/185; C07C59/19; C07C59/205; C07C63/00; C07C63/14; C07C63/15; C07C63/16
Claims Analysis
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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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |