Patent US2114565A successfully refreshed from Google Patents.
Patent US4083807A successfully refreshed from Google Patents.
US4083807A
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Method for preparing crystalline aluminosilicate cracking catalysts
Assignee: Chevron USA Inc
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Filing: 1976-01-13
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Granted: 1978-04-11
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Expires: 1996-01-13
Abstract
Abstract An improved catalytic cracking catalyst is obtained by a method which comprises incorporating into a crystalline aluminosilicate catalyst by ion exchange a substantial concentration of a metal selected from the group consisting of antimony, bismuth and manganese.
Inventors
- 👤 Joel D. McKinney
- 👤 Bruce R. Mitchell
- 👤 Raynor T. Sebulsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:45
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/076; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; Y; Y10; Y10S; Y10S502/00; Y10S502/521
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
90 words
-- A method which comprises preparing a zeolitic catalyst composition by contacting a cracking catalyst composition containing a crystalline aluminosilicate zeolite with an ionizable salt of a metal selected from the group consisting of antimony and bismuth under ion exchange conditions, recovering therefrom a crystalline aluminosilicate catalyst composition containing at least 0.25 weight percent of said metal, and thereafter contacting said catalyst composition under cracking conditions with a hydrocarbon charge stock containing at least 3.5 ppm nickel equivalents as metal contaminants and having an average boiling temperature above 600° F.
Claim 2
Dependent Claim
90 words
-- A method which comprises preparing a zeolitic catalyst composition by contacting a cracking catalyst composition containing a crystalline aluminosilicate zeolite with an ionizable salt of a metal selected from the group consisting of antimony and bismuth under ion exchange conditions, recovering therefrom a crystalline aluminosilicate catalyst composition containing at least 0.25 weight percent of said metal, and thereafter contacting said catalyst composition under cracking conditions with a hydrocarbon charge stock containing at least 3.5 ppm nickel equivalents as metal contaminants and having an average boiling temperature above 600° F.
Claim 3
Independent Claim
88 words
A method which comprises preparing a zeolitic catalyst composition by contacting a crystalline aluminosilicate with an ionizable salt of a metal selected from the group consisting of antimony and bismuth under ion exchange conditions, recovering therefrom a crystalline aluminosilicate catalyst composition containing at least 0.25 weight percent of said metal, and thereafter contacting said catalyst composition under cracking conditions with a hydrocarbon charge stock having an average boiling temperature above 600° F. until the said catalyst composition contains in excess of 1,500 ppm nickel equivalents as metal contaminants.
Claim 4
Independent Claim
88 words
A method which comprises preparing a zeolitic catalyst composition by contacting a crystalline aluminosilicate with an ionizable salt of a metal selected from the group consisting of antimony and bismuth under ion exchange conditions, recovering therefrom a crystalline aluminosilicate catalyst composition containing at least 0.25 weight percent of said metal, and thereafter contacting said catalyst composition under cracking conditions with a hydrocarbon charge stock having an average boiling temperature above 600° F. until the said catalyst composition contains in excess of 1,500 ppm nickel equivalents as metal contaminants.
Claim 5
Dependent Claim
27 words
The method of claim 1 wherein said catalyst composition contains a laminar 2:1 layer lattice aluminosilicate material in an amount ranging from 10 to 95 weight percent.
Claim 6
Dependent Claim
27 words
The method of claim 2 wherein said catalyst composition contains a laminar 2:1 layer lattice aluminosilicate material in an amount ranging from 10 to 95 weight percent.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-10 | 1981-10-10 | 1982-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-10 | 1985-10-10 | 1986-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-10 | 1989-10-10 | 1990-04-11 | $7700.00 | Window Closed / Lapsed |