US2560433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization of hydrocarbon oils
Assignee: Gulf Research and Development Co
•
Filing: 1948-07-16
•
Granted: 1951-07-10
•
Expires: 1968-07-16
Abstract
No abstract record available.
Inventors
- 👤 William I Gilbert
- 👤 William A Horne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:19
CPC Classifications
C; C10; C10G; C10G47/00; Y; Y10; Y10S; Y10S502/00; Y10S502/515; Y10S502/517
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE PROCESS FOR DESULFURIZING A SULFUR-CONTAINING HYDROCARBON OIL WHICH COMPRISES TREATING VAPORS OF SAID OIL WITH A CONTACT AGENT COMPRISING A MEMBER OF THE CLASS CONSISTING OPF METALS OF THE IRON GROUP AND THEIR OXIDES COMPOSITED WITH A SILICA-ALUMINA REFRACTORY CATALYTIC MATERIAL CAPABLE OF PROMOTING, TO A SUBSTANTIAL EXTENT, THE CONVERSION OF HIGHER BOILING HYDROCARBONS INTO LOWER BOILING HYDROCARBONS AND HAVING A CONVERSION INDEX OF ABOVE ABOUT 15, IN THE PRESENCE OF HYDROGEN AT A TEMPERATURE BETWEEN ABOUT 600* AND 950* F., TERMINATING THIS TREATMENT WHEN A SUBSTANTIAL AMOUNT OF HYDROGEN SULFIDE APPEARS IN THE TREATED VAPORS, REGENERATING THE CONTACT AGENT AT A TEMPERATURE ABOVE ABOUT 1000* F. TO REMOVE SUBSTANTIALLY ALL OF THE SULFUR THEREFROM AND EMPLOYING THE REGENERATED CONTACT AGENT TO TREAT VAPORS OF A SULFUR-CONTAINING HYDROCARBON OIL IN THE PRESENCE OF HYDROGEN UNDER THE CONDITIONS SPECIFIED ABOVE.
Claim 2
Dependent Claim
140 words
THE PROCESS FOR DESULFURIZING A SULFUR-CONTAINING HYDROCARBON OIL WHICH COMPRISES TREATING VAPORS OF SAID OIL WITH A CONTACT AGENT COMPRISING A MEMBER OF THE CLASS CONSISTING OPF METALS OF THE IRON GROUP AND THEIR OXIDES COMPOSITED WITH A SILICA-ALUMINA REFRACTORY CATALYTIC MATERIAL CAPABLE OF PROMOTING, TO A SUBSTANTIAL EXTENT, THE CONVERSION OF HIGHER BOILING HYDROCARBONS INTO LOWER BOILING HYDROCARBONS AND HAVING A CONVERSION INDEX OF ABOVE ABOUT 15, IN THE PRESENCE OF HYDROGEN AT A TEMPERATURE BETWEEN ABOUT 600* AND 950* F., TERMINATING THIS TREATMENT WHEN A SUBSTANTIAL AMOUNT OF HYDROGEN SULFIDE APPEARS IN THE TREATED VAPORS, REGENERATING THE CONTACT AGENT AT A TEMPERATURE ABOVE ABOUT 1000* F. TO REMOVE SUBSTANTIALLY ALL OF THE SULFUR THEREFROM AND EMPLOYING THE REGENERATED CONTACT AGENT TO TREAT VAPORS OF A SULFUR-CONTAINING HYDROCARBON OIL IN THE PRESENCE OF HYDROGEN UNDER THE CONDITIONS SPECIFIED ABOVE.
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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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |