US4672049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroprocessing catalyst
Assignee: Mobil Oil AS
•
Filing: 1986-03-05
•
Granted: 1987-06-09
•
Expires: 2006-03-05
Abstract
Abstract This invention provides a novel hydrocracking catalyst composition that contains Zeolite Beta having a framework boron content, a solid source of alumina, and a hydrogenation component. It further provides a low-pressure hydrocracking process that uses such composition.
Inventors
- 👤 Nai Yuen Chen
- 👤 Tracy J. Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:34
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; B; B01; B01J; B01J29/00; B01J29/86
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
109 words
In the method for preparing a hydrocracking catalyst composition comprising a hydrogenation component and a crystalline aluminosilicate cracking component, the improvement which comprises: utilizing as a cracking component a crystalline aluminosilicate zeolite that contains alumina and 0.1 wt % to about 4.0 wt % framework boron, said zeolite having a SiO 2 /Al 2 O 3 molar ratio of at least about 35, and the essential X-ray powder diffraction pattern of Zeolite Beta, and including in said composition a solid source of alumina in an amount such that the weight ratio in the final catalyst of said crystalline zeolite to said solid source is from 10:1 to about 1:10.
Claim 2
Dependent Claim
109 words
In the method for preparing a hydrocracking catalyst composition comprising a hydrogenation component and a crystalline aluminosilicate cracking component, the improvement which comprises: utilizing as a cracking component a crystalline aluminosilicate zeolite that contains alumina and 0.1 wt % to about 4.0 wt % framework boron, said zeolite having a SiO 2 /Al 2 O 3 molar ratio of at least about 35, and the essential X-ray powder diffraction pattern of Zeolite Beta, and including in said composition a solid source of alumina in an amount such that the weight ratio in the final catalyst of said crystalline zeolite to said solid source is from 10:1 to about 1:10.
Claim 3
Dependent Claim
36 words
The method described in claim 1 wherein said solid source of alumina is alpha alumina monohydrate, and including the step of intimately mixing said boron-containing zeolite and said solid source of alumina prior to particle formation.
Claim 4
Dependent Claim
79 words
A hydrocracking catalyst composition comprising a hydrogenation component, a crystalline aluminosilicate cracking component having the essential X-ray diffraction pattern of Zeolite Beta, said crystalline aluminosilicate being further characterized by the presence of alumina and of 0.1 wt % to about 4.0 wt % of framework boron and a silica to alumina ratio of at least about 35, and a solid source of alumina, said solid source of alumina being present in an amount effective to impart improved catalyst stability.
Claim 5
Dependent Claim
79 words
A hydrocracking catalyst composition comprising a hydrogenation component, a crystalline aluminosilicate cracking component having the essential X-ray diffraction pattern of Zeolite Beta, said crystalline aluminosilicate being further characterized by the presence of alumina and of 0.1 wt % to about 4.0 wt % of framework boron and a silica to alumina ratio of at least about 35, and a solid source of alumina, said solid source of alumina being present in an amount effective to impart improved catalyst stability.
Claim 6
Dependent Claim
15 words
The composition described in claim 3 wherein said crystalline aluminosilicate is the sole cracking component.
Claim 7
Dependent Claim
42 words
The composition described in claim 3 wherein said solid source of alumina in alpha alumina monohydrate used as binder for said zeolite component and is present in a weight ratio of said zeolite to said alumina of about 2:3 to about 3:1.
Claim 8
Dependent Claim
13 words
The composition of claim 3 wherein said hydrogenation component is platinum or palladium.
Claim 9
Dependent Claim
22 words
The composition of claim 3 wherein said zeolite is the sole cracking component and wherein said hydrogenation component is platinum or palladium.
Claim 10
Dependent Claim
14 words
The method described in claim 1 including the step of sulfiding said alumina-containing composition.
Claim 11
Dependent Claim
10 words
The sulfided composition prepared by the method of claim 8.
References Cited (Backward Citations)
US2980604A
Cited
US3923641A
Cited
US3954670A
Cited
US4080284A
Cited
US4268420A
Cited
US4458024A
Cited
US4419220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-06-08 | 1990-12-08 | 1991-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-08 | 1994-12-08 | 1995-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-08 | 1998-12-08 | 1999-06-09 | $7700.00 | Window Closed / Lapsed |