US3591656A
Expired / Lapsed
US
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Heterogeneous catalyst process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1969-01-24
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Granted: 1971-07-06
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Expires: 1989-01-24
Abstract
Abstract HETEROGENEOUS CONVERSION CATALYSTS ARE PREPARED BY FORMING, IN AN INERT ATMOSPHERE, COMPLEXES BETWEEN A REDUCED TRANSITION METAL AND A SUPPORT, THE COMPLEX IS THEN STABILIZED BY HEATING. THE CATALYSTS SO FORMED MAY BE USED FOR THE CONVERSION OF ORGANIC FEED COMPOUNDS IN THE PRESENCE OF HYDROGEN.
Inventors
- 👤 Wolfram R Kroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:29
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/70; B01J23/74; B01J37/00; B01J37/02; B01J37/0201; B01J37/16; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0411; C07; C07C; C07C29/00; C07C29/17; C07C29/175; C07C4/00; C07C4/02; C07C4/06; C07C4/08; C07C4/10; C07C5/00; C07C5/02; C07C5/03; C07C5/08; C07C5/10; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791; 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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |