US3852215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for hydrocarbon conversion
Assignee: PRODUCTS POUR CATALYSE SOC FR
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Filing: 1972-12-13
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Granted: 1974-12-03
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Expires: 1992-12-13
Abstract
Abstract Catalyst and process for converting, for example reforming, hydrocarbons. The catalyst contains an alumina carrier, platinum, iridium and at least one metal selected from the group consisting of scandium, yttrium, titanium, zirconium, hafnium, thorium and germanium.
Inventors
- 👤 P Duhaut
- 👤 J Miquel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:13
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
80 words
A NEW CATALYST CONTAINING (A) AN ALUMINA CARRIER, (B) PLATINUM (C) IRIDIUM AND (D) AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF SCANDIUM, YTTRIUM, TITANIUM, ZIRCONIUM, HAFNIUM AND THORIUM, THE CaTALYST CONTAINING FROM 0.005 TO 1% BY WEIGHT OF PLATINUM, FROM 0.005 TO 1% BY WEIGHT OF IRIDIUM AND FROM 0.005 TO 5% BT WEIGHT OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF SCANDIUM YTTRIUM, TITANIUM, ZIRCONIUM, HAFNIUM AND THORIUM, WITH RESPECT TO THE CATALYST CARRIER.
Claim 2
Dependent Claim
80 words
A NEW CATALYST CONTAINING (A) AN ALUMINA CARRIER, (B) PLATINUM (C) IRIDIUM AND (D) AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF SCANDIUM, YTTRIUM, TITANIUM, ZIRCONIUM, HAFNIUM AND THORIUM, THE CaTALYST CONTAINING FROM 0.005 TO 1% BY WEIGHT OF PLATINUM, FROM 0.005 TO 1% BY WEIGHT OF IRIDIUM AND FROM 0.005 TO 5% BT WEIGHT OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF SCANDIUM YTTRIUM, TITANIUM, ZIRCONIUM, HAFNIUM AND THORIUM, WITH RESPECT TO THE CATALYST CARRIER.
Claim 3
Dependent Claim
30 words
A catalyst according to claim 1, wherein the total content of metal of the group (d) is from 0.05 to 3 percent by weight with respect to the catalyst carrier.
Claim 4
Dependent Claim
16 words
A catalyst according to claim 2, containing 0.05 to 0.8% platinum and 0.01 to 0.09% iridium.
Claim 5
Dependent Claim
25 words
A catalyst according to claim 3, further containing halogen in a proportion of from 0.1 to 10% by weight with respect to the catalyst carrier.
Claim 6
Dependent Claim
16 words
A catalyst according to claim 1, containing 0.005 to 0.8% platinum and 0.01 to 0.09% iridium.
Claim 7
Dependent Claim
26 words
A catalyst according to claim 1, further containing halogen in a proportion of from 0.1 to 10 percent by weight with respect to the catalyst carrier.
Claim 8
Dependent Claim
8 words
A catalyst according to claim 6 containing scandium.
Claim 9
Dependent Claim
8 words
A catalyst according to claim 6 containing yttrium.
Claim 10
Dependent Claim
8 words
A catalyst according to claim 6 containing titanium.
Claim 11
Dependent Claim
8 words
A catalyst according to claim 6 containing zirconium.
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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) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |