US3794642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of substituted methanes to the corresponding substituted methanols
Assignee: Eli Lilly and Co
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Filing: 1973-01-15
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Granted: 1974-02-26
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Expires: 1993-01-15
Abstract
Abstract THE PRESENT INVENTION IS DIRECTED TO THE FOLLOWING PROCESS: R''-CH(-R)-R" + M-OH --AIR OR O2 DMSO --> R''-C(-R)(-R")-OH WHEREN M IS AN ALKALI METAL; AND R,R'' AND R" ARE PHENYL OR SUBSTITUTED-PHENYL; ALTERNATELY, R AND R" CAN BE AROMATIC HETEROCYCLIC; AND ALTERNATELY, R'' CAN BE LOWERALKYL, CYCLOALKYL, BENZYL OR NAPHTHYLMETHYL.
Inventors
- 👤 T Kress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:51
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07C; C07C29/00; C07C29/48; C07C29/50; C07D239/00; C07D239/02; C07D239/24; C07D239/26; C07C2601/00; C07C2601/02; C07C2601/04; C07C2601/06; C07C2601/08; C07C2601/12; C07C2601/14
Claims Analysis
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References Cited (Backward Citations)
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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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |