US3078238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation catalyst and method of preparation
Assignee: Gulf Research and Development Co
•
Filing: 1959-07-24
•
Granted: 1963-02-19
•
Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Beuther Harold
- 👤 Richard A Flinn
- 👤 Alfred M Henke
- 👤 Joseph B Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:33
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/02; B01J27/04; B01J27/047; B01J27/049; B01J21/00; B01J21/12; C; C10; C10G; C10G2400/00; C10G2400/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CATALYST COMPOSITION FOR THE PREPARATION OF LUBRICATING OILS BY TREATING LIQUID DEASPHALTED HYDROCARBONS ADMIXED WITH HYDROGEN UNDER HYDROTREATING CONDITIONS COMPRISING FLUORINE CONTAINING SULFIDED NICKEL AND TUNGSTEN UPON A SUPPORTING MATERIAL HAVING AN ACTIVITY FOR CRACKING CORRESPONDING TO A RATING OF BETWEEN 60 AND 80 ON THE KELLOGG SCALE, THE WEIGHT OF FLUORINE BEING BETWEEN 0.3 PERCENT AND 2.5 PERCENT OF THE TOTAL CATALYST WEIGHT, THE TOTAL WEIGHT OF SAID NICKEL AND TUNGSTEN BEING 5 PERCENT TO 40 PERCENT BEING 2 PERCENT TO 23 PERCENT OF THE WEIGHT OF SULFUR BEING 2 PERCENT TO 23 PERCENT OF THE TOTAL CATALYST WEIGHT AND THE RATIO OF TUNGSTEN TO NICKEL BEING BETWEEN 1 TO 0.1 AND 1 TO 5.
Claim 2
Dependent Claim
117 words
A CATALYST COMPOSITION FOR THE PREPARATION OF LUBRICATING OILS BY TREATING LIQUID DEASPHALTED HYDROCARBONS ADMIXED WITH HYDROGEN UNDER HYDROTREATING CONDITIONS COMPRISING FLUORINE CONTAINING SULFIDED NICKEL AND TUNGSTEN UPON A SUPPORTING MATERIAL HAVING AN ACTIVITY FOR CRACKING CORRESPONDING TO A RATING OF BETWEEN 60 AND 80 ON THE KELLOGG SCALE, THE WEIGHT OF FLUORINE BEING BETWEEN 0.3 PERCENT AND 2.5 PERCENT OF THE TOTAL CATALYST WEIGHT, THE TOTAL WEIGHT OF SAID NICKEL AND TUNGSTEN BEING 5 PERCENT TO 40 PERCENT BEING 2 PERCENT TO 23 PERCENT OF THE WEIGHT OF SULFUR BEING 2 PERCENT TO 23 PERCENT OF THE TOTAL CATALYST WEIGHT AND THE RATIO OF TUNGSTEN TO NICKEL BEING BETWEEN 1 TO 0.1 AND 1 TO 5.
References Cited (Backward Citations)
US2885346A
Cited
US2760907A
Cited
US2744052A
Cited
US2904505A
Cited
US2904500A
Cited
US2917448A
Cited
US2905636A
Cited
US2960458A
Cited
US2967147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |