US4001106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: Mobil Oil AS
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Filing: 1973-08-15
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Granted: 1977-01-04
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Expires: 1993-08-15
Abstract
Abstract A process for cracking a hydrocarbon material in two separate reaction zones, each of which contains a different crystalline aluminosilicate zeolite, one of such zeolites having a pore size of less than 6 Angstrom units and the other of such zeolites having a pore size greater than 8 Angstrom units.
Inventors
- 👤 Charles J. Plank
- 👤 Edward J. Rosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:31
CPC Classifications
C; C10; C10G; C10G51/00; C10G51/02; C10G51/026; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B01J29/80; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42; B01J29/08; B01J29/084; B01J29/7003
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
79 words
In the catalytic cracking of a hydrocarbon oil to produce hydrocarbons of low boiling range, the improvement which comprises exposing said oil to catalytic cracking conditions by conducting the same serially through two separate reaction zones, one of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size of less than 7 Angstrom units and the other of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size greater than 8 Angstrom units.
Claim 2
Dependent Claim
79 words
In the catalytic cracking of a hydrocarbon oil to produce hydrocarbons of low boiling range, the improvement which comprises exposing said oil to catalytic cracking conditions by conducting the same serially through two separate reaction zones, one of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size of less than 7 Angstrom units and the other of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size greater than 8 Angstrom units.
Claim 3
Dependent Claim
17 words
The process of claim 1 wherein at least one aluminosilicate zeolite is embodied in a porous matrix.
Claim 4
Dependent Claim
14 words
The process of claim 2 wherein the porous matrix is an inorganic oxide gel.
Claim 5
Dependent Claim
34 words
The process of claim 1 wherein one of such zeolites has a pore size of about 5 Angstrom units and the other of such zeolites has a pore size of about 13 Angstrom units.
Claim 6
Dependent Claim
18 words
The process of claim 1 wherein at least one of the aluminosilicate zeolites additionally comprises a hydrogenation component.
Claim 7
Dependent Claim
80 words
In the catalytic cracking of a hydrocarbon oil to produce hydrocarbons of low boiling range, the improvement which comprises exposing said oil to catalytic cracking conditions by conducting the same serially through two separate reaction zones, one of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size of from 5 to 6.8 Angstrom units and the other of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size greater than 8 Angstrom units.
Claim 8
Dependent Claim
80 words
In the catalytic cracking of a hydrocarbon oil to produce hydrocarbons of low boiling range, the improvement which comprises exposing said oil to catalytic cracking conditions by conducting the same serially through two separate reaction zones, one of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size of from 5 to 6.8 Angstrom units and the other of which contains a catalyst of a crystalline aluminosilicate zeolite having a pore size greater than 8 Angstrom units.
Claim 9
Dependent Claim
19 words
The process of claim 6 wherein at least one aluminosilicate zeolite has cations of divalent metal cations associated therewith.
Claim 10
Dependent Claim
19 words
The process of claim 6 wherein at least one aluminosilicate zeolite has cations of trivalent metal cations associated therewith.
Claim 11
Dependent Claim
16 words
The process of claim 6 wherein at least one aluminosilicate zeolite has hydrogen cations associated therewith.
Claim 12
Dependent Claim
20 words
The process of claim 6 wherein at least one aluminosilicate zeolite has both hydrogen cations and metal cations associated therewith.
Claim 13
Dependent Claim
17 words
The process of claim 6 wherein at least one aluminosilicate zeolite has rare earth cations associated therewith.
Claim 14
Dependent Claim
20 words
The process of claim 6 wherein at least one aluminosilicate zeolite has hydrogen cations and rare earth cations associated therewith.
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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) | 1980-01-04 | 1980-07-05 | 1981-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-04 | 1984-07-05 | 1985-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-04 | 1988-07-05 | 1989-01-04 | $7700.00 | Window Closed / Lapsed |