Patent US2902432A successfully refreshed from Google Patents.
US2902432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-02-09
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Granted: 1959-09-01
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Expires: 1974-02-09
Abstract
No abstract record available.
Inventors
- 👤 Howard G Codet
- 👤 Charles E Jahnig
- 👤 Arnold F Kaulakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:43
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; B; B01; B01J; B01J8/00; B01J8/0015; B01J8/0025; B01J8/18; B01J8/1845; B01J8/1863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A METHOD FOR CONVERTING A HYDROCARBON GAS OIL TO LOWER BOILING PRODUCTS WHICH COMPRISES COMBINING SAID HYDROCARBON GAS OIL WITH A HOT FINELY DICIDED CATALYST HAVING A SIZE RANGE OF ABOUT 0-0200 MICRONS IN THE PROPORTION OF ABOUT 4-8 LBS. OF CATALYST-LB., OF OIL TO COMPLETELY VAPORIZE SAID HYDROCARBON GAS OIL, PASSING THE RESULTANT MIXTURE CONCURRENTLY UPWARDS AT A SUPERIFICAL VELOCITY OF ABOUT 6-14 FEET/SECOND THROUGH A CONVERSION ZONE WHEREIN THE WEIGHT OF SAID HYDROCARBON GAS OIL PASSING THROUGH SAID CONVERSION ZONE/HOUR/WEIGHT OF CATALYST HOLDUP IN SAID CONVERSION ZONE IS MAINTAINED AT ABOUT 15-25 AND WHEREIN THE VAPOROUS HYDROCARBON GAS OIL IS CONVERTED TO VAPOROUS LOWER BOILING PRODUCTS AND A SMALL AMOUNT OF COKE WHICH IS SEPOSITED ON SAID CATALYST TO FORM SPENT CATALYST, SEPARATING THE VAPOROUS LOWER BOILING CONVERTED PRODUCTS FROM SPENT CATALYST, RECOVERING THE SEPARATED VAPOROUS LOWER BOILING CONVERTED PRODUCTS, MIX-
Claim 2
Independent Claim
143 words
A METHOD FOR CONVERTING A HYDROCARBON GAS OIL TO LOWER BOILING PRODUCTS WHICH COMPRISES COMBINING SAID HYDROCARBON GAS OIL WITH A HOT FINELY DICIDED CATALYST HAVING A SIZE RANGE OF ABOUT 0-0200 MICRONS IN THE PROPORTION OF ABOUT 4-8 LBS. OF CATALYST-LB., OF OIL TO COMPLETELY VAPORIZE SAID HYDROCARBON GAS OIL, PASSING THE RESULTANT MIXTURE CONCURRENTLY UPWARDS AT A SUPERIFICAL VELOCITY OF ABOUT 6-14 FEET/SECOND THROUGH A CONVERSION ZONE WHEREIN THE WEIGHT OF SAID HYDROCARBON GAS OIL PASSING THROUGH SAID CONVERSION ZONE/HOUR/WEIGHT OF CATALYST HOLDUP IN SAID CONVERSION ZONE IS MAINTAINED AT ABOUT 15-25 AND WHEREIN THE VAPOROUS HYDROCARBON GAS OIL IS CONVERTED TO VAPOROUS LOWER BOILING PRODUCTS AND A SMALL AMOUNT OF COKE WHICH IS SEPOSITED ON SAID CATALYST TO FORM SPENT CATALYST, SEPARATING THE VAPOROUS LOWER BOILING CONVERTED PRODUCTS FROM SPENT CATALYST, RECOVERING THE SEPARATED VAPOROUS LOWER BOILING CONVERTED PRODUCTS, MIX-
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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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |