Patent US4395205A successfully refreshed from Google Patents.
US3793232A
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Reforming catalyst,its manufacture and use
Assignee: Pro Catalyse SA
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Filing: 1972-06-30
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Granted: 1974-02-19
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Expires: 1992-06-30
Abstract
Abstract CATALYST FOR THE CONVERSION OF HYDRCARBONS, PARTICULARYL FOR REFORMING REACTIONS HAVING AN ALUMINA AN ALUMINA BASED THE FOLLOWING CONTENTS OF METALS EXPRESSED BY WEIGHT WITH RESPECT TO THE ALUMINA: PLATINUM: FROM 0.005 TO 1% IRIDIUM: FROM 0.005 TO 1% THALLIUM OR INDIUM: FROM 0.05 TO 3%, THE CATALYST MAY FURTHER CONTAIN OPTIONALLY FROM 0.1 TO 10% BY WEIGHT OF A HALOGEN AND UP TO 10% BY WEIGHT OF ZINC OR A ZINC COMPOUND SAID PROPORTIONS BEING ALSO RELATIVE TO THE ALUMINUM WEIGHT.
Inventors
- 👤 P Duhaut
- 👤 J Miquel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:55
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; B01J23/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |