US2626233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic cracking of hydrocarbons in the presence of added gaseous olefins
Assignee: Standard Oil Development Co
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Filing: 1950-08-05
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Granted: 1953-01-20
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Expires: 1970-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
- 👤 Elroy M Gladrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:54
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS OF CRACKING ESSENTIALLY LIQUID SATURATED HYDROCARBON CRACKING FEED STOCKS TO FORM MORE UNSATURATED HYDROCARBONS OF A LOWER MOLECULAR WEIGHT, WHICH COMPRISES CONTACTING THE SAID SATURATED HYDROCARBON FEED STOCK AT TEMPERATURES OF ABOUT 800-1050* F. AND AT SUBSTANTIALLY ATMOSPHERIC PRESSURE WITH AN ACTIVATED CARBON CATALYST IN A CONVERSION ZONE IN THE PRESENCE OF A NORMALLY GASEOUS OLEFIN ADDED TO THE CONVERSION ZONE IN AT LEAST EQUIMOLAR PROPORTIONS WITH REFERENCE TO THE HYDROCARBONS TO BE CONVERTED, AND RECOVERING FROM SUCH CONVERSION ZONE AN EFFLUENT RICH IN UNSATURATED HYDROCARBONS.
Claim 2
Dependent Claim
88 words
THE PROCESS OF CRACKING ESSENTIALLY LIQUID SATURATED HYDROCARBON CRACKING FEED STOCKS TO FORM MORE UNSATURATED HYDROCARBONS OF A LOWER MOLECULAR WEIGHT, WHICH COMPRISES CONTACTING THE SAID SATURATED HYDROCARBON FEED STOCK AT TEMPERATURES OF ABOUT 800-1050* F. AND AT SUBSTANTIALLY ATMOSPHERIC PRESSURE WITH AN ACTIVATED CARBON CATALYST IN A CONVERSION ZONE IN THE PRESENCE OF A NORMALLY GASEOUS OLEFIN ADDED TO THE CONVERSION ZONE IN AT LEAST EQUIMOLAR PROPORTIONS WITH REFERENCE TO THE HYDROCARBONS TO BE CONVERTED, AND RECOVERING FROM SUCH CONVERSION ZONE AN EFFLUENT RICH IN UNSATURATED HYDROCARBONS.
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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |