US2622111A
Expired / Lapsed
US
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Catalytic hydrogenation of unsaturated compounds
Assignee: Universal Oil Products Co
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Filing: 1948-12-18
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Granted: 1952-12-16
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Expires: 1968-12-18
Abstract
No abstract record available.
Inventors
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:07
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/10; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J23/44; B01J37/00; B01J37/02; B01J37/03; C07C2521/00; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A PROCESS FOR HYDROGENATING BENZENE WHICH COMPRISES SUBJECTING BENZENE TO CONTACT AT A TEMPERATURE OF FROM ABOUT ATMOSPHERIC TO ABOUT 400* F. WITH HYDROGEN AND A CATALYST PREPARED BY TREATING SILICA WITH A SOLUTION OF A NORMALLY SOLID AROMTIC HYDROCARBON AND SUBSEQUENTLY COMPOSITING PLATINUM THEREWITH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |