US2800429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulphurisation with a cobalt molybdate catalyst containing fluorine, and under equilibrium pressure
Assignee: BP PLC
•
Filing: 1952-09-25
•
Granted: 1957-07-23
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Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Porter Frederick Willi Bertram
- 👤 Howes Donald Albert
- 👤 Morris John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:31
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06; C10G45/08; C10G45/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN AN AUTOFINING PROCESS FOR THE HYDROCATALYTIC DESULPHURISATION OF PETROLEUM HYDROCARBONS WHICH IS CARRIED OUT AS AN EQUILIBRIUM PRESSURE OPERATION BY ALLOWING ALL OF THE HYDROGEN PRODUCED TO REMAIN IN THE SYSTEM, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE HYDROCARBONS WITHA CATALYST COMPRISING A SUPPORT SELECTED FROM THE CLASS CONSISTING OF ACTIVATED ALUMINA AND BAUXITE, AND INCORPORATED WITH SAID SUPPORT A CATALYTIC AGENT SELECTED FROM THE CLASS CONSISTING OF MIXTURES OF THE OXIDES OF COBALT AND MOLYBDENUM, CHEMICAL COMPOUNDS OF COBALT, MOLYBDENUM, AND OXYGEN, AND MIXTURES OF AT LEAST ONE OF THE SAID OXIDES WITH SAID CHEMICAL COMPOUNDS, AND FLOURINE IN AN AMOUNT FROM ABOUT 0.1 PERCENT TO 6 PERCENT BY WEIGHT OF THE CATALYST.
Claim 2
Dependent Claim
114 words
IN AN AUTOFINING PROCESS FOR THE HYDROCATALYTIC DESULPHURISATION OF PETROLEUM HYDROCARBONS WHICH IS CARRIED OUT AS AN EQUILIBRIUM PRESSURE OPERATION BY ALLOWING ALL OF THE HYDROGEN PRODUCED TO REMAIN IN THE SYSTEM, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE HYDROCARBONS WITHA CATALYST COMPRISING A SUPPORT SELECTED FROM THE CLASS CONSISTING OF ACTIVATED ALUMINA AND BAUXITE, AND INCORPORATED WITH SAID SUPPORT A CATALYTIC AGENT SELECTED FROM THE CLASS CONSISTING OF MIXTURES OF THE OXIDES OF COBALT AND MOLYBDENUM, CHEMICAL COMPOUNDS OF COBALT, MOLYBDENUM, AND OXYGEN, AND MIXTURES OF AT LEAST ONE OF THE SAID OXIDES WITH SAID CHEMICAL COMPOUNDS, AND FLOURINE IN AN AMOUNT FROM ABOUT 0.1 PERCENT TO 6 PERCENT BY WEIGHT OF THE CATALYST.
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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) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |