US2592765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation of hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1948-05-21
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Granted: 1952-04-15
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Expires: 1968-05-21
Abstract
No abstract record available.
Inventors
- 👤 Charles L Thomas
- 👤 Jacque C Morrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:19
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C07C5/373; C07C5/393; C07C5/41; C07C5/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON WHICH COMPRISES CONTACTING SAID HYDROCARBON UNDER DEHYDROGENATION CONDITIONS WITH A COMPOSITE DEHYDROGENATION CATALYST COMPRISING FROM 50 TO 90% OF ALUMINUM OXIDE, FROM 5% TO 30% OF A CLAY SELECTED FROM THE GROUP CONSISTING OF KAOLIN AND MONTMORILLONITE, AND FROM 4% TO 20% OF AN OXIDE OF A METAL SELECTED FROM THE ELEMENTS IN THE LEFT-HAND COLUMNS OF GROUPS V AND VI OF THE PERIODIC TABLE.
Claim 2
Dependent Claim
72 words
A PROCESS FOR DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON WHICH COMPRISES CONTACTING SAID HYDROCARBON UNDER DEHYDROGENATION CONDITIONS WITH A COMPOSITE DEHYDROGENATION CATALYST COMPRISING FROM 50 TO 90% OF ALUMINUM OXIDE, FROM 5% TO 30% OF A CLAY SELECTED FROM THE GROUP CONSISTING OF KAOLIN AND MONTMORILLONITE, AND FROM 4% TO 20% OF AN OXIDE OF A METAL SELECTED FROM THE ELEMENTS IN THE LEFT-HAND COLUMNS OF GROUPS V AND VI OF THE PERIODIC TABLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |