Patent US3894940A successfully refreshed from Google Patents.
US3894940A
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Hydrocarbon cracking catalysts with promoter mixtures
Assignee: WR Grace and Co
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Filing: 1973-11-15
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Granted: 1975-07-15
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Expires: 1993-11-15
Abstract
Abstract A mixture of rare earth hydrogen Y type zeolite, and hydrogen ferrierite is used as a catalyst for the conversion of hydrocarbons. The rare earth hydrogen Y and a hydrogen ferrierite mixture may be advantageously combined with amorphous matrix components such as silica, alumina, silica-alumina hydrogel and/or clay to form cracking catalyst compositions of the fluid or moving bed type.
Inventors
- 👤 Julius Scherzer
- 👤 David Evan William Vaughan
- 👤 Edwin W Albers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:22
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/80; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42; B01J29/08; B01J29/085; B01J29/088; B01J29/65
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
66 words
A PROCESS FOR CONVERTING HYDROCARBONS TO A PRODUCT CONTAINING A HIGH PERCENTAGE OF GASOLINE WHICH COMPRISES CONTACTING A GAS OIL FEEDSTOCK UNDER HYDROCARBON CRACKING CONDITIONS WITH A CATALYST COMPRISING A RARE EARTH HYDROGEN EXCHANGED FAUJASITE HAVING A SILICA TO ALUMINA RATIO OF 3.0 TO 6.0 AND A HYDROGEN FERRIERITE IN A RATIO OF 10 TO 1 TO 1 TO 1 AND RECOVERING THE PRODUCTS FORMED THEREBY.
Claim 2
Dependent Claim
66 words
A PROCESS FOR CONVERTING HYDROCARBONS TO A PRODUCT CONTAINING A HIGH PERCENTAGE OF GASOLINE WHICH COMPRISES CONTACTING A GAS OIL FEEDSTOCK UNDER HYDROCARBON CRACKING CONDITIONS WITH A CATALYST COMPRISING A RARE EARTH HYDROGEN EXCHANGED FAUJASITE HAVING A SILICA TO ALUMINA RATIO OF 3.0 TO 6.0 AND A HYDROGEN FERRIERITE IN A RATIO OF 10 TO 1 TO 1 TO 1 AND RECOVERING THE PRODUCTS FORMED THEREBY.
Claim 3
Dependent Claim
35 words
The process according to claim 1 wherein the rare earth hydrogen exchanged faujasite and hydrogen ferrierite are combined in an inorganic oxide matrix selected from the group consisting of silica, alumina, clay and mixtures thereof.
Claim 4
Dependent Claim
20 words
The process according to claim 2 wherein said matrix is present in amounts ranging from 5 to 95 weight percent.
Claim 5
Dependent Claim
17 words
The process according to claim 1 wherein the gas oil feedstock boils in the range of 400*-1,050*F.
Claim 6
Dependent Claim
39 words
The process according to claim 1 wherein the feedstock is cracked at a temperature in the range of 800*-1,050*F, with a contact time of 0.5 seconds to 10 minutes and a catalyst to oil ratio of 3 to 8.
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) | 1978-07-14 | 1979-01-13 | 1979-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-14 | 1983-01-13 | 1983-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-14 | 1987-01-13 | 1987-07-15 | $7700.00 | Window Closed / Lapsed |