US3576764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for the oxidation of olefins to unsaturated aldehydes and acids
Assignee: Nippon Kayaku Co Ltd
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Filing: 1968-05-16
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Granted: 1971-04-27
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Expires: 1988-05-16
Abstract
Abstract MONOLEFINS SUCH AS PROPYLENE AND ISOBUTYLENE ARE CONVERTED TO THE CORRESPONDING UNSATURATED ALDEHYDES AND CARBOXYLIC ACIDS IN THE PRESENCE OF A CATALYST OF THE COMPOSITION: NI(0-20)CO(0-15)FE(0.1-7)BI(0.1-4)P(0.1-2)MO120(35-85)
Inventors
- 👤 Goichi Yamaguchi
- 👤 Shigeo Takenaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:14
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; B; B01; B01J; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; B01J27/192; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |