US3898178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for hydrocarbon conversion
Assignee: Pro Catalyse SA
•
Filing: 1972-12-13
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Granted: 1975-08-05
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Expires: 1992-12-13
Abstract
Abstract Catalyst and process for hydrocarbon conversions, e.g., reforming. The catalyst contains an alumina carrier, platinum, iridium, at least one metal selected from uranium, vanadium and gallium, and optionally halogen in the form of metal halide of one of the aforesaid components.
Inventors
- 👤 Pierre Duhaut
- 👤 Jean Miquel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:28
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
54 words
A CATALYST CONSISTING ESSENTIALLY OF (A) ALUMINA CARRIER (B) FROM 0.005 TO 1 % OF PLATINUM (C) FROM 0.005 TO 1 % OF IRIDIUM A(D ND) FROM 0.005 TO 5% OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF URANIUM AND VANADIUM, THE PERCENTAGES BEING BY WEIGHT WITH RESPECT TO THE CARRIER,
Claim 2
Dependent Claim
54 words
A CATALYST CONSISTING ESSENTIALLY OF (A) ALUMINA CARRIER (B) FROM 0.005 TO 1 % OF PLATINUM (C) FROM 0.005 TO 1 % OF IRIDIUM A(D ND) FROM 0.005 TO 5% OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF URANIUM AND VANADIUM, THE PERCENTAGES BEING BY WEIGHT WITH RESPECT TO THE CARRIER,
Claim 3
Dependent Claim
33 words
A catalyst according to claim 1, containing a total of from 0.05 to 3 % by weight with respect to the carrier of metal selected from the group consisting of uranium and vanadium.
Claim 4
Dependent Claim
36 words
A CATALYST ACCORDING TO CLAIM 1 FURTHER CONTAINING FROM 0.1 TO 10% BY WEIGHT WITH RESPECTT TO THE CARRIER, IN THE FORM OF A METAL HALIDE OF COMPONENT (A) (B) (C) OR (D) OR MIXTURES THEREOF.
Claim 5
Dependent Claim
15 words
A catalyst according to claim 3 wherein said at least one metal (d) is vanadium.
Claim 6
Dependent Claim
24 words
A catalyst according to claim 4 wherein vanadium is present in a concentration of 0.05 to 3% by weight with respect to the carrier.
Claim 7
Dependent Claim
15 words
A catalyst according to claim 3 containiNg 0.2 to 5% by weight of said halogen.
Claim 8
Dependent Claim
22 words
A catalyst according to claim 3 containing 0.05 to 0.8% by weight of platinum and 0.01 to 0.09% by weight of iridium.
Claim 9
Dependent Claim
41 words
A catalyst according to claim 3 containing on a weight basis 0.05 to 0.8% of platinum, 0.01 to 0.09% of iridium, 0.05 to 3% of vanadium, and 0.2 to 5% by weight of said halogen, the latter being chlorine or fluorine.
Claim 10
Dependent Claim
15 words
A catalyst according to claim 3 wherein said at least one metal (d) is uranium.
Claim 11
Dependent Claim
24 words
A catalyst according to claim 9 wherein uranium is present in a concentration of 0.5 to 3% by weight with respect to the carrier.
Claim 12
Dependent Claim
15 words
A catalyst according to claim 9 containing 0.2 to 5% by weight of said halogen.
Claim 13
Dependent Claim
22 words
A catalyst according to claim 9 containing 0.05 to 0.8% by weight of platinum and 0.01 to 0.09% by weight of iridium.
Claim 14
Dependent Claim
41 words
A catalyst according to claim 9 containing on a weight basis 0.5 to 0.8% of platinum, 0.01 to 0.09% of iridium, 0.05 to 3% of uranium, and 0.2 to 5% by weight of said halogen, the latter being chlorine or fluorine.
References Cited (Backward Citations)
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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) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |