US2510189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supported catalyst and preparation thereof
Assignee: Union Oil Company of California
•
Filing: 1948-02-16
•
Granted: 1950-06-06
•
Expires: 1968-02-16
Abstract
No abstract record available.
Inventors
- 👤 Paul G Nahin
- 👤 Hal C Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:53
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CATALYST FOR THE CATALYTIC CONVERSION OF HYDROCARBONS WHICH COMPRISES A MAJOR PROPORTION OF AN ALUMINA CARRIER AND IMPREGNATED THEREON A MINOR PROPORTION OF A CATALYTIC AGENT CONSISTING ESSENTIALLY OF THE COMBINED OXIDES OF COBALT AND MOLYBDENUM, SAID CATALYST HAVING BEEN PREPARED BY A METHOD WHICH COMPRISES DISSOLVING A COBALT SALT AND A MOLYBDENUM SALT IN AN AQUEOUS AMMONIA SOLUTION SO AS TO OBTAIN IN IMPREGNATION SOLUTION HAVING AN AMMONIA CONCENTRATION BETWEEN ABOUT 5 AND 15 MOLAR IN WHICH THE MOLAR RATIO OF AMMONIA TO COBALT IS AT LEAST TWICE THE IONIC CHARGE OF SAID COBALT, IMMERSING SAID CARRIER IN SAID IMPREGNATION SOLUTION, ADSORBING SAID SOLUTION THEREON, DRYING THE THUS IMPREGNATED CARRIER, AND CALCINING THE DRIED IMPREGNATED CARRIER TO CONVERT THE ADSORBED METAL COMPOUND TO THE DESIRED CATALYTIC AGENT.
Claim 2
Dependent Claim
129 words
A CATALYST FOR THE CATALYTIC CONVERSION OF HYDROCARBONS WHICH COMPRISES A MAJOR PROPORTION OF AN ALUMINA CARRIER AND IMPREGNATED THEREON A MINOR PROPORTION OF A CATALYTIC AGENT CONSISTING ESSENTIALLY OF THE COMBINED OXIDES OF COBALT AND MOLYBDENUM, SAID CATALYST HAVING BEEN PREPARED BY A METHOD WHICH COMPRISES DISSOLVING A COBALT SALT AND A MOLYBDENUM SALT IN AN AQUEOUS AMMONIA SOLUTION SO AS TO OBTAIN IN IMPREGNATION SOLUTION HAVING AN AMMONIA CONCENTRATION BETWEEN ABOUT 5 AND 15 MOLAR IN WHICH THE MOLAR RATIO OF AMMONIA TO COBALT IS AT LEAST TWICE THE IONIC CHARGE OF SAID COBALT, IMMERSING SAID CARRIER IN SAID IMPREGNATION SOLUTION, ADSORBING SAID SOLUTION THEREON, DRYING THE THUS IMPREGNATED CARRIER, AND CALCINING THE DRIED IMPREGNATED CARRIER TO CONVERT THE ADSORBED METAL COMPOUND TO THE DESIRED CATALYTIC AGENT.
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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |