US3751508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for selective hydrogenation of acetylenic hydrocarbon in the concurrent presence of diolefin
Assignee: Eneos Corp
•
Filing: 1971-02-22
•
Granted: 1973-08-07
•
Expires: 1991-02-22
Abstract
Abstract CATALYST FOR SELECTIVE HYDROGENATION OF ACETYLENIC HYDROCARBONS IN THE CONCURRENT PRESENCE OF DIOLEFINS, WHICH IS COMPOSED OF THE CARRIER CONTAINING AT LEAST 5% BY WEIGHT OF MAGNESIUM-ALUMINUM SPINEL OF THE FORMULA, MGAL2O4 AND, AS THE ACTIVE METAL COMPONENT SUPPORTED ON THE CARRIER, 1-50% BY WEIGHT OF COPPER COMPONENT CALCULATED AS COPPER OXIDE, AND 0.1-3% BY WEIGHT OF NICKEL COMPONENT CALCULATED AS NICKEL OXIDE.
Inventors
- 👤 T Fujiso
- 👤 T Ohmori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:08
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; B01J37/00; B01J37/08; C; C07; C07C; C07C5/00; C07C5/02; C07C5/08; B01J21/00; B01J21/005; B01J21/10; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/10; Y; Y10; Y10S; Y10S502/00; Y10S502/524
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |