US2526700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion in the presence of a steam-stable catalyst
Assignee: Houdry Process Corp
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Filing: 1946-10-15
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Granted: 1950-10-24
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Expires: 1966-10-15
Abstract
No abstract record available.
Inventors
- 👤 Hubert A Shabaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:36
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B; B01; B01J; B01J21/00; B01J21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF EFFECTING HYDROCARBON CONVERSION WHICH COMPRISES CONTACTING A HYDROCARBON CHARGE STOCK WITH A CATALYST COMPRISING AN ACID ACTIVATED CLAY WHICH HAS BEEN SUBJECTED, IN UNUSED STATE AND PRIOR TO ANY CONTACT WITH STEAM, TO DRY HEAT TREATMENT EQUIVALENT TO A TEMPERATURE OF ABOUT 1400*F. FOR TEN HOURS, IN AN ATMOSPHERE OF SUBSTANTIALLY DRY GAS CHEMICALLY INERT WITH RESPECT TO THE CATALYST.
Claim 2
Dependent Claim
63 words
THE PROCESS OF EFFECTING HYDROCARBON CONVERSION WHICH COMPRISES CONTACTING A HYDROCARBON CHARGE STOCK WITH A CATALYST COMPRISING AN ACID ACTIVATED CLAY WHICH HAS BEEN SUBJECTED, IN UNUSED STATE AND PRIOR TO ANY CONTACT WITH STEAM, TO DRY HEAT TREATMENT EQUIVALENT TO A TEMPERATURE OF ABOUT 1400*F. FOR TEN HOURS, IN AN ATMOSPHERE OF SUBSTANTIALLY DRY GAS CHEMICALLY INERT WITH RESPECT TO THE CATALYST.
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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) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |