US3130240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the activation of hydrogenation catalysts
Assignee: Phillips Petroleum Co
•
Filing: 1961-11-16
•
Granted: 1964-04-21
•
Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Christopher P Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:43
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; C; C07; C07C; C07C5/00; C07C5/02; C07C5/10; C07C2521/00; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A PROCESS FOR HYDROGENATING A BENZENE-CONTAINING STEAM CONTAINING HYDROGENATABLE MATERIALS WHICH COMPRISES PASSING SAID STREAM AT A TEMPERATURE IN THE RANGE 450 TO 700*F. IN THE PRESENCE OF ADDED EXCESS HYDROGEN IN CONTACT WITH AN ACTIVATED NICKEL-KIESELGUHR HYDROGENATION CATALYST AND THEN, WITHOUT INTERMEDIATE TREATMENT, INTO CONTACT WITH AN UNREDUCED NICKEL-KIESELGUHR HYDROGENATION CATALYST UNTIL OXIDE AND OTHER COMPOUNDS OF SAID METAL ARE REDUCED TO ELEMENTAL METAL, THUS HYDROGENATING SAID HYDROGENATABLE MATERIAL AND ACTIVATING SAID UNREDUCED CATALYST AND MAKING SAME AVALIABLE FOR HYDROGENATION.
References Cited (Backward Citations)
US2428692A
Cited
US2866750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |