US3271301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation process
Assignee: Cities Service Research and Development Co
•
Filing: 1964-02-03
•
Granted: 1966-09-06
•
Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Richmond B Galbreath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:30
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/90; B01J8/00; B01J8/18; B01J8/20; B01J8/22; C; C10; C10G; C10G45/00; C10G45/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A CONTINUOUS PROCESS FOR HYDROGENATING HYDROCARBON OIL WHICH COMPRISES MAINTAINING A REACTION ZONE CONTAINING A MASS OF PARTICULATE HYDROGENATION CATALYST UNDER HYDROGEN PRESSURE AND ELEVATED TEMPERATURE, ALTERNATELY FEEDING RESIDUAL OIL AT LEAT 50 VOLUME PER CENT OF WHICH BOILS ABOVE 650*F. AND CATALYTIC CYCLE OIL HAVING BETWEEN ABOUT 30 AND ABOUT 50 VOLUME PERCENT AROMATICS INTO SAID REACTION ZONE UPWARDLY IN THE LIQUID PHASE THROUGH THE CATALYST MASS AND EXPANDING THE VOLUME OF THE MASS BY ABOUT 10% TO ABOUT 300% AS COMPARED TO
Claim 2
Dependent Claim
84 words
A CONTINUOUS PROCESS FOR HYDROGENATING HYDROCARBON OIL WHICH COMPRISES MAINTAINING A REACTION ZONE CONTAINING A MASS OF PARTICULATE HYDROGENATION CATALYST UNDER HYDROGEN PRESSURE AND ELEVATED TEMPERATURE, ALTERNATELY FEEDING RESIDUAL OIL AT LEAT 50 VOLUME PER CENT OF WHICH BOILS ABOVE 650*F. AND CATALYTIC CYCLE OIL HAVING BETWEEN ABOUT 30 AND ABOUT 50 VOLUME PERCENT AROMATICS INTO SAID REACTION ZONE UPWARDLY IN THE LIQUID PHASE THROUGH THE CATALYST MASS AND EXPANDING THE VOLUME OF THE MASS BY ABOUT 10% TO ABOUT 300% AS COMPARED TO
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |