Patent US3840473A successfully refreshed from Google Patents.
US3840473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodesulfurization catalyst promoted with a group iv-b metal
Assignee: Gulf Research and Development Co
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Filing: 1972-08-09
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Granted: 1974-10-08
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Expires: 1992-08-09
Abstract
Abstract 1. A SUBSTANTIALLY PHOSPHATE-FREE CATALYST FOR THE HYDRODESULFURIZATION OF HYDROCARBONS BOILING ABOVE ABOUT 400*F. CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 30 PERCENTAGE BY WEIGHT OF GROUP VI AND GROUP VIII HYDROGENATING COMPONENTS, SAID CONPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF THE METALS, THEIR OXIDES AND SULFIDES, WITH THE ATOMIC RATIO OF GROUP VIII METAL TO GROUP VI METAL BEING FROM ABOUT 1:0.3 TO ABOUT 1:5, SUPPORTED ON A NON-ZEOLITIC REFRACTORY OXIDE CARRIER, AND PROMOTED WITH FROM ABOUT 1 TO ABOUT 10 PERCENT BY WEIGHT OF A GROUP IV-B METAL PRESENT AS THE OXIDE
Inventors
- 👤 H Beuther
- 👤 S Chun
- 👤 A Montagna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:00
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06; C10G45/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SUBSTANTIALLY PHOSPHATE-FREE CATALYST FOR THE HYDRODESULFURIZATION OF HYDROCARBONS BOILING ABOVE ABOUT 400*F. CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 30 PERCENTAGE BY WEIGHT OF GROUP VI AND GROUP VIII HYDROGENATING COMPONENTS, SAID CONPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF THE METALS, THEIR OXIDES AND SULFIDES, WITH THE ATOMIC RATIO OF GROUP VIII METAL TO GROUP VI METAL BEING FROM ABOUT 1:0.3 TO ABOUT 1:5, SUPPORTED ON A NON-ZEOLITIC REFRACTORY OXIDE CARRIER, AND PROMOTED WITH FROM ABOUT 1 TO ABOUT 10 PERCENT BY WEIGHT OF A GROUP IV-B METAL PRESENT AS THE OXIDE
Claim 2
Dependent Claim
95 words
A SUBSTANTIALLY PHOSPHATE-FREE CATALYST FOR THE HYDRODESULFURIZATION OF HYDROCARBONS BOILING ABOVE ABOUT 400*F. CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 30 PERCENTAGE BY WEIGHT OF GROUP VI AND GROUP VIII HYDROGENATING COMPONENTS, SAID CONPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF THE METALS, THEIR OXIDES AND SULFIDES, WITH THE ATOMIC RATIO OF GROUP VIII METAL TO GROUP VI METAL BEING FROM ABOUT 1:0.3 TO ABOUT 1:5, SUPPORTED ON A NON-ZEOLITIC REFRACTORY OXIDE CARRIER, AND PROMOTED WITH FROM ABOUT 1 TO ABOUT 10 PERCENT BY WEIGHT OF A GROUP IV-B METAL PRESENT AS THE OXIDE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |