US2687987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: Standard Oil Development Co
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Filing: 1950-03-23
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Granted: 1954-08-31
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Expires: 1970-03-23
Abstract
No abstract record available.
Inventors
- 👤 Bennett Rufus Burnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:40
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J23/00; B01J23/16; B01J23/32; B01J23/34; C07; C07C; C07C5/00; C07C5/32; C07C5/327; C07C5/333; C07C5/3332; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/16; C07C2523/32; C07C2523/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A METHOD OF DEHYDROGENATING HYDROCARBONS WHICH COMPRISES HEATING A STREAM OF A HYDROCARBON SUSCEPTIBLE TO DEHYDROGENATION TO A TEMPERATURE IN THE RANGE FROM 900* TO 1400* F., CONTACTING THE HEATED HYDROCARBON WITH A CATALYST COMPRISING A MAJOR PORTION OF ALUMINUM OXIDE NO LESS THAN 58% BY WEIGHT AND MINOR PORTIONS NO LESS THAN 7% BY WEIGHT AND NO MORE THAN 42% BY WEIGHT RESPECTIVELY OF OXYGEN-CONTAINING COMPOUND OF CALCIUM AND MANGANESE IN THE RANGE BETWEEN 1.4% AND 14% BY WEIGHT AND IN THE RANGE BETWEEN 5.6% AND 28% BY WEIGHT CALCULATED, RESPECTIVELY, AS CALCIUM AND MANGANESE OXIDES AT AN ELEVATED PRESSURE TO DEHYDROGENATE SAME AND FORM A PRODUCT, AND RECOVERING SAID PRODUCT.
References Cited (Backward Citations)
US2148140A
Cited
US2184235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |