US3761424A
Expired / Lapsed
US
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Catalysts for the oxidation of alkenes
Assignee: GOLD und SILBER SCHEIDEANSTALT DT
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Filing: 1971-10-08
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Granted: 1973-09-25
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Expires: 1991-10-08
Abstract
Abstract A CATALYST FOR THE OXIDATION OF ALKENES TO UNSTURATED ALDEHYDES AND CARBOXYLIC ACIDS CONTAINING NI, CO, FE, BI, P, MO AND O IS IMPROVED BY ADDING TATALUM OXIDE OR SAMARIUM OXIDE AND EMPLOYING AS A CARRIER A MIXTURE OF LATTICE ALYER SILICATE AND HIGHLY DISPERSED SILICA.
Inventors
- 👤 E Koberstein
- 👤 T Lussling
- 👤 E Noll
- 👤 H Suchsland
- 👤 W Weigert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:09
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8876; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; B01J27/192; C07C45/35; B01J2523/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |