US2739927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic process
Assignee: Union Oil Company of California
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Filing: 1951-05-03
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Granted: 1956-03-27
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Expires: 1971-05-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Doumani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:53
CPC Classifications
C; C10; C10G; C10G59/00; C10G59/02; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR THE CATALYTIC REFORMING OF GASOLINEBOILING RANGE HYDROCARBONS WHICH COMPRISES SUBJECTING SAID HYDROCARBONS TO A TEMPERATURE BETWEEN ABOUT 700* F. AND 1000* F. IN THE PRESENCE OF HYDROGEN AND A PRIMARY CONVERSION ZONE CATALYST, SAID PRIMARY CONVERSION ZONE CATALYST CONSISTING ESSENTIALLY OF A PREDOMINANTLY ALUMINA CARRIER AND BETWEEN ABOUT 0.001% AND 0.5% BY WEIGHT OF PLATINUM, AND THEREAFTER SUBJECTING SAID HYDROCARBONS TO A TEMPERATURE BETWEEN ABOUT 700* F. AND 1000* G. IN THE PRESENCE OF HYDROGEN AND A SECONDARY CONVERSION ZONE CATALYT, SAID SECONDARY CONVERSION ZONE CATALYST BEING COMPOSED OF TWO DISCRETE PARTICLE-FORM COMPONENTS INTERMINGLED WITH EACH OTHER, ONE OF SAID COMPONENTS CONSISTING ESSENTIALLY OF A PREDOMINANTLY ALUMINA CARRIER AND A MINOR PROPORTION OF A HALOGEN SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND FLUORINE, AND THE OTHER OF SAID COMPONENTS CONSISTING ESSENTIALLY OF AN ALUMINA CARRIER AND A MINOR PROPORTION OF PLATINUM.
Claim 2
Dependent Claim
145 words
A PROCESS FOR THE CATALYTIC REFORMING OF GASOLINEBOILING RANGE HYDROCARBONS WHICH COMPRISES SUBJECTING SAID HYDROCARBONS TO A TEMPERATURE BETWEEN ABOUT 700* F. AND 1000* F. IN THE PRESENCE OF HYDROGEN AND A PRIMARY CONVERSION ZONE CATALYST, SAID PRIMARY CONVERSION ZONE CATALYST CONSISTING ESSENTIALLY OF A PREDOMINANTLY ALUMINA CARRIER AND BETWEEN ABOUT 0.001% AND 0.5% BY WEIGHT OF PLATINUM, AND THEREAFTER SUBJECTING SAID HYDROCARBONS TO A TEMPERATURE BETWEEN ABOUT 700* F. AND 1000* G. IN THE PRESENCE OF HYDROGEN AND A SECONDARY CONVERSION ZONE CATALYT, SAID SECONDARY CONVERSION ZONE CATALYST BEING COMPOSED OF TWO DISCRETE PARTICLE-FORM COMPONENTS INTERMINGLED WITH EACH OTHER, ONE OF SAID COMPONENTS CONSISTING ESSENTIALLY OF A PREDOMINANTLY ALUMINA CARRIER AND A MINOR PROPORTION OF A HALOGEN SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND FLUORINE, AND THE OTHER OF SAID COMPONENTS CONSISTING ESSENTIALLY OF AN ALUMINA CARRIER AND A MINOR PROPORTION OF PLATINUM.
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |