Patent US3761428A successfully refreshed from Google Patents.
US3761428A
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Catalysts for converting hydrocarbons
Assignee: INST DU PETROLE CARBURANTS ET
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Filing: 1971-02-16
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Granted: 1973-09-25
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Expires: 1991-02-16
Abstract
Abstract A CATALYST WHICH COMPRISES A CARRIER, FROM 0.005 TO 1% OF PLATINUM AND FROM 0.005 TO 1% OF IRIDIUM WITH RESPECT TO THE CARRIER WITH A SUBSTNTIALLY HOMOGENOUS DISTRIBUTIN OF PLATINUM AND IRIDUM. THIS CATALYST MAY BE USED FOR CONVERSION, FOR EXAMPLE BY REFORMING OF HYDROCARBOSNS. ITS PROCESS OF MANUFACTURE COMPRISES THE USE OF AN AQUEOUS SOLUTION OF BOTH PLATINUM AND IRIDUM COMPOUNDS AND AN AMINOALCHOL AT A PH NOT IN EXCESS OF 4.
Inventors
- 👤 A Sugier
- 👤 R Malmaison
- 👤 J Miquel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:52
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/46; B01J23/468; B01J37/00; B01J37/22; B01J37/24; C07; C07C; C07C5/00; C07C5/02; C07C5/22; C07C5/2206; C07C5/226; C07C5/27; C07C5/2729; C07C5/2732; C07C5/2754; C07C5/32; C07C5/321; C07C5/324; C07C5/325; C07C5/327; C07C5/333; C07C5/3335; C07C5/3337; C07C5/373; C07C5/393; C07C5/41; C07C5/415; C07C5/417; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2523/46; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
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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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |