Patent US3770096A successfully refreshed from Google Patents.
US2930748A
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Fluid catalytic process with preliminary treatment of the feed
Assignee: Gulf Research and Development Co
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Filing: 1952-04-04
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Granted: 1960-03-29
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Expires: 1972-04-04
Abstract
No abstract record available.
Inventors
- 👤 Charles W Montgomery
- 👤 Joseph B Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:13
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/24; C10G47/30; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A PROCESS FOR THE CATALYTIC CONVERSION OF A HIGHBOILING LIQUID HYDROCARBON FRACTION WHICH COMPRISES MAINTAINING A FLUIDIZED BED OF CONVERSION CATALYST IN A CATALYST IMPREGNATION ZONE AT A TEMPERATURE, ABOUT 400* TO 600*G., BELOW THAT AT WHICH SUBSTANTIAL VAPORIZATION AND CRACKING OF SAID HIGH-BOILING FRACTION OCCURS, IMPREGNATING SAID CATALYST AT SAID TEMPERATURE IN SAID IMPREGNATION ZONE WITH SAID HIGH-BOILING FRACTION WHILE MAINTAINCONVERTING SAID IMPREGNATED HIGH-BOILING FRACTION AT AN ELEVATED CONVERSION TEMPERATURE.
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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |