US3476808A
Expired / Lapsed
US
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Catalytic oxidative dehydrogenation of ketones
Assignee: Mobil Oil AS
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Filing: 1968-03-11
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Granted: 1969-11-04
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Expires: 1988-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert W Etherington Jr
- 👤 Koei-Liang Liauw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/50; C07D333/52; C07D333/54; C07C; C07C45/00; C07C45/61; C07C45/65; C07C49/00; C07C49/76; C07C49/794; C07C2601/00; C07C2601/06; C07C2601/10; C07C2601/12; C07C2601/16; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |