Patent US2500146A successfully refreshed from Google Patents.
US2500146A
Expired / Lapsed
US
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Catalysts for conversion of hydrocarbons
Assignee: Union Oil Company of California
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Filing: 1946-07-08
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Granted: 1950-03-14
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Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond N Fleck
- 👤 Paul G Nahin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:44
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J37/00; B01J37/02; B01J37/0201; C10G2400/00; C10G2400/02; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR THE CATALYTIC CONVERSION OF HYDROCARBONS WHICH COMPRISES SUBJECTING SUCH HYDROCARBONS TO TEMPERATURES IN THE RANGE OF ABOUT 500*F. TO ABOUT 1200*F. UNDER GAUGE PRESSURES IN RANGE OF ABOUT -14 POUNDS PER SQUARE INCH TO ABOUT 1500 POUNDS PER SQUARE INCH IN THE PRESENCE OF A CATALYST COMPRISING FROM ABOUT 1% TO ABOUT 15% OF AN OXIDE OF A HEAVY METAL OF ATOMIC NO. 22 TO 42 AND FROM ABOUT 85% TO 99% OF BAUXITE CONTAINING OXIDES OF IRON, SILICON, TITANIUM AND SODIUM IN SMALL AMOUNTS AS FOLLOWS: LESS THAN 1.0% BY WEIGHT OF IRON OXIDE, LESS THAN 7.5% BY WEIGHT OF COMBINED SILICON OXIDE, LESS THAN 4.5% BY WEIGHT OF TITANIUM OXIDE, LESS THAN 0.1% BY WEIGHT OF SODIUM OXIDE, AND FROM 1% TO 6% BY WEIGHT OF VOLATILE MATTER.
Claim 2
Dependent Claim
133 words
A PROCESS FOR THE CATALYTIC CONVERSION OF HYDROCARBONS WHICH COMPRISES SUBJECTING SUCH HYDROCARBONS TO TEMPERATURES IN THE RANGE OF ABOUT 500*F. TO ABOUT 1200*F. UNDER GAUGE PRESSURES IN RANGE OF ABOUT -14 POUNDS PER SQUARE INCH TO ABOUT 1500 POUNDS PER SQUARE INCH IN THE PRESENCE OF A CATALYST COMPRISING FROM ABOUT 1% TO ABOUT 15% OF AN OXIDE OF A HEAVY METAL OF ATOMIC NO. 22 TO 42 AND FROM ABOUT 85% TO 99% OF BAUXITE CONTAINING OXIDES OF IRON, SILICON, TITANIUM AND SODIUM IN SMALL AMOUNTS AS FOLLOWS: LESS THAN 1.0% BY WEIGHT OF IRON OXIDE, LESS THAN 7.5% BY WEIGHT OF COMBINED SILICON OXIDE, LESS THAN 4.5% BY WEIGHT OF TITANIUM OXIDE, LESS THAN 0.1% BY WEIGHT OF SODIUM OXIDE, AND FROM 1% TO 6% BY WEIGHT OF VOLATILE MATTER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |