Patent CA552769A successfully refreshed from Google Patents.
Patent US3215640A successfully refreshed from Google Patents.
US3215640A
Expired / Lapsed
US
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Hydrogenation process
Assignee: BP PLC
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Filing: 1962-07-27
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Granted: 1965-11-02
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Pitkethly Robert Chalmers
- 👤 Holmes Peter Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:21
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G45/36; B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; B01J37/20; C07; C07C; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR THE PRODUCTION OF A SULPHIDED NICKEL CATALYST MATERIAL IN WHICH AN ELEMENTAL NICKEL-CONTAINING CATALYTIC MATERIAL IS SULPHIDED PRIOR TO USE OF SAID CATALYST MATERIAL, WHICH COMPRISES: TREATING A CATALYTIC MATERIAL COMPRISING ELEMENTAL NICKEL ON A CATALYST SUPPORT WITH AT LEAST ONE SULPHUR-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF THIOPHENES, THIACYLCLOALKANES HAVING AT LEAST FOUR CARBON ATOMS PER RING, AND DIALKYLMONOSULPHIDES, AT A TEMPERATURE IN THE RANGE OF 0-200*C., SAID TREATMENT BEING CARRIED OUT SUCH THAT SULPHUR IS COMBINED WITH THE ELEMENTAL NICKEL IN AN AMOUNT BETWEEN 1 AND 40 MOL PERCENT OF SULPHUR BASED ON THE TOTAL ELEMENTAL NICKEL IN SAID ELEMENTAL NICKEL-CONTAINING CATALYTIC MATERIAL PRIOR TO SAID TREATMENT WITH SAID AT LEAST ONE SULPHUR-CONTAINING COMPOUND.
Claim 2
Dependent Claim
120 words
A PROCESS FOR THE PRODUCTION OF A SULPHIDED NICKEL CATALYST MATERIAL IN WHICH AN ELEMENTAL NICKEL-CONTAINING CATALYTIC MATERIAL IS SULPHIDED PRIOR TO USE OF SAID CATALYST MATERIAL, WHICH COMPRISES: TREATING A CATALYTIC MATERIAL COMPRISING ELEMENTAL NICKEL ON A CATALYST SUPPORT WITH AT LEAST ONE SULPHUR-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF THIOPHENES, THIACYLCLOALKANES HAVING AT LEAST FOUR CARBON ATOMS PER RING, AND DIALKYLMONOSULPHIDES, AT A TEMPERATURE IN THE RANGE OF 0-200*C., SAID TREATMENT BEING CARRIED OUT SUCH THAT SULPHUR IS COMBINED WITH THE ELEMENTAL NICKEL IN AN AMOUNT BETWEEN 1 AND 40 MOL PERCENT OF SULPHUR BASED ON THE TOTAL ELEMENTAL NICKEL IN SAID ELEMENTAL NICKEL-CONTAINING CATALYTIC MATERIAL PRIOR TO SAID TREATMENT WITH SAID AT LEAST ONE SULPHUR-CONTAINING COMPOUND.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |