Patent US3579589A successfully refreshed from Google Patents.
US3579589A
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Process for manufacturing a catalyst,resulting catalyst and process for manufacture of benzoic aldehyde from toluene in the presence of said catalyst
Assignee: IFP Energies nouvelles
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Filing: 1968-09-05
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Granted: 1971-05-18
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Expires: 1988-09-05
Abstract
Abstract PROCESS FOR MANUFACTURING A CATALYST USED FOR OXIDIZING TOLUENE TO BENZALDEHYDE, WHICH PROCESS COMPISES ADMIXING AN URANIUM OXIDE OR SALT WITH A MOLYBDENUM OXIDE OR SALT IN THE PRESENCE OF SULFURIC ACID, DRYING AND CALCINATING THE RESULTING MIXTURE. OPTIONALLY, THERE CAN BE ADDED TO THE MIXTURE, BEFORE DRYING AND CALCINATING, AN ALKALINE OR ALKALINE-EARTH METAL COMPOUND AND/OR METALS OR COMPOUNDS OF METALS SUCH AS CHROMIUM, TUNGSTEN, SILVER COPPER, YTYTRIUM, CERIUM AND OTHER ELEMENTS FROM THE GROUP OF THE RARE EARTHS.
Inventors
- 👤 Bernard Delmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:07
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; C07C51/00; C07C51/16; C07C51/21; C07C51/255; C07C51/265; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |