US2626246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerating cobalt catalysts by oxidation
Assignee: Texaco Inc
•
Filing: 1949-01-29
•
Granted: 1953-01-20
•
Expires: 1969-01-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Naragon
- 👤 Joseph H Vergilio
- 👤 Alfred J Millendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:48
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/94; C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS FOR REGENERATING COBALT CATALYSTS WHICH HAVE BECOME SPENT IN THE CATALYTIC CONVERSION OF OLEFINS, HYDROGEN AND CARBON MONOXIDE INTO CARBONYLIC COMPOUNDS WHICH CONSISTS ESSENTIALLY OF CONTACTING SPENT COBALT CATALYST WITH A
Claim 2
Dependent Claim
33 words
A PROCESS FOR REGENERATING COBALT CATALYSTS WHICH HAVE BECOME SPENT IN THE CATALYTIC CONVERSION OF OLEFINS, HYDROGEN AND CARBON MONOXIDE INTO CARBONYLIC COMPOUNDS WHICH CONSISTS ESSENTIALLY OF CONTACTING SPENT COBALT CATALYST WITH A
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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |