US4255253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen processing of hydrocarbon feeds using coated catalysts
Assignee: Standard Oil Co
•
Filing: 1979-01-03
•
Granted: 1981-03-10
•
Expires: 1999-01-03
Abstract
Abstract Catalysts consisting of a base support having a strongly adherent outer coating of an active catalytic material have been found to give superior results in known hydrogen processing reactions wherein sulfur, nitrogen and the metal content of a hydrogen feedstock are reduced.
Inventors
- 👤 Daniel R. Herrington
- 👤 Albert P. Schwerko
- 👤 Serge R. Dolhyj
- 👤 Wilfrid G. Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:55
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/882; B01J35/00; B01J35/30; B01J35/31; B01J35/32; B01J35/50; B01J35/51; B01J37/00; B01J37/02; B01J37/0215; B01J37/0221; B01J37/0223; C; C10; C10G; C10G45/00; C10G45/02; C10G45/04
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
121 words
In the process of hydrogen processing of hydrocarbon feedstocks by contacting the hydrocarbon feedstock and hydrogen at an elevated temperature with a hydrocarbon processing catalyst, the improvement comprising using as at least a part of the catalyst a coated catalyst prepared by: (a) contacting a base support of at least about 20 microns in diameter with an excess of liquid in such a manner that the liquid is absorbed by the support to produce a wet support, (b) drying said wet support to provide a partially wet support, (c) contacting the partially wet support with a powder of an active catalytic material, and (d) gently agitating the mixture of the partially wet support and active catalytic material to produce the catalyst.
Claim 2
Dependent Claim
121 words
In the process of hydrogen processing of hydrocarbon feedstocks by contacting the hydrocarbon feedstock and hydrogen at an elevated temperature with a hydrocarbon processing catalyst, the improvement comprising using as at least a part of the catalyst a coated catalyst prepared by: (a) contacting a base support of at least about 20 microns in diameter with an excess of liquid in such a manner that the liquid is absorbed by the support to produce a wet support, (b) drying said wet support to provide a partially wet support, (c) contacting the partially wet support with a powder of an active catalytic material, and (d) gently agitating the mixture of the partially wet support and active catalytic material to produce the catalyst.
Claim 3
Dependent Claim
12 words
The process of claim 1 wherein the coated catalyst is substantially spherical.
Claim 4
Dependent Claim
19 words
The process of claim 2 wherein said substantially spherical catalyst has a diameter of 0.5 mm to 10 mm.
Claim 5
Dependent Claim
19 words
The process of claim 3 wherein said substantially spherical catalyst has a diameter of 1 mm to 5 mm.
Claim 6
Dependent Claim
13 words
The process of claim 1 wherein sulfur is removed from the hydrocarbon feedstock.
Claim 7
Dependent Claim
13 words
The process of claim 1 wherein nitrogen is removed from the hydrocarbon feedstock.
Claim 8
Dependent Claim
13 words
The process of claim 1 wherein metals are removed from the hydrocarbon feedstock.
Claim 9
Dependent Claim
21 words
The process of claim 1 wherein the active catalytic material comprises about 5% to 60% by weight of the catalyst particle.
Claim 10
Dependent Claim
30 words
The process of claim 1 wherein the active catalytic material contains one or more oxides selected from the group consisting of cobalt, nickel, molybdenum, tungsten, vanadium, palladium, platinum and iron.
Claim 11
Dependent Claim
25 words
The process of claim 9 wherein the active catalytic material contains one or more oxides selected from the group consisting of cobalt, nickel and molybdenum.
Claim 12
Dependent Claim
19 words
The process of claim 1 wherein the catalyst charge comprises at least 20% by weight of said coated catalyst.
Claim 13
Dependent Claim
19 words
The process of claim 1 wherein the catalyst charge comprises at least 50% by weight of said coated catalyst.
Claim 14
Dependent Claim
16 words
The process of claim 1 wherein essentially all of the catalyst charge comprises said coated catalyst.
Claim 15
Dependent Claim
19 words
The process of claim 1 wherein the active catalytic material comprises about 50% by weight of the catalyst particle.
References Cited (Backward Citations)
US2478194A
Cited
US2631921A
Cited
US2507496A
Cited
US3264228A
Cited
US3420784A
Cited
US4077912A
Cited
US4009125A
Cited
US4083771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-09 | 1984-09-08 | 1985-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-09 | 1988-09-08 | 1989-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-09 | 1992-09-08 | 1993-03-10 | $7700.00 | Window Closed / Lapsed |