US4615996A
Expired / Lapsed
US
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Dual function cracking catalyst (DFCC) composition
Assignee: Gulf Research and Development Co
•
Filing: 1983-08-25
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Granted: 1986-10-07
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Expires: 2003-08-25
Abstract
Abstract A novel catalyst composition comprising a solid cracking catalyst and a diluent containing substantially catalytically inactive crystalline aluminosilicate.
Inventors
- 👤 Mario L. Occelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:43
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/80; B01J37/00; B01J37/04; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42; Y; Y10; Y10S; Y10S502/00; Y10S502/515; Y10S502/516
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
36 words
A novel catalytic cracking composition comprising a cracking catalyst having high activity and, as a separate and distinct entity, a diluent comprising a substantially catalytically inactive crystalline aluminosilicate having a fresh MAT Activity below about 1.
Claim 2
Dependent Claim
36 words
A novel catalytic cracking composition comprising a cracking catalyst having high activity and, as a separate and distinct entity, a diluent comprising a substantially catalytically inactive crystalline aluminosilicate having a fresh MAT Activity below about 1.
Claim 3
Dependent Claim
21 words
The novel catalytic cracking composition of claim 1 wherein said diluent has a MAT Activity from about 0.5 to about 0.9.
Claim 4
Dependent Claim
35 words
The novel catalytic cracking composition of claim 1 wherein said diluent has a surface area of about 30 to about 800 m 2 /gram and a pore volume of about 0.05 to about 1.0 cc/gram.
Claim 5
Dependent Claim
35 words
The novel catalytic cracking composition of claim 1 wherein said diluent has a surface area of about 50 to about 700 m 2 /gram and a pore volume of about 0.05 to about 0.4 cc/gram.
Claim 6
Dependent Claim
13 words
The novel catalytic cracking composition of claim 1 wherein said diluent is clinoptilolite.
Claim 7
Dependent Claim
13 words
The novel catalytic cracking composition of claim 1 wherein said diluent is mordenite.
Claim 8
Dependent Claim
13 words
The novel catalytic cracking composition of claim 1 wherein said diluent is chabazite.
Claim 9
Dependent Claim
19 words
The novel catalytic cracking composition of claim 1 wherein said diluent is a type A zeolite (3A, 4A, 5A).
Claim 10
Dependent Claim
13 words
The novel catalytic cracking composition of claim 1 wherein said diluent is USY.
Claim 11
Dependent Claim
13 words
The novel catalytic cracking composition of claim 1 wherein said diluent is REY.
Claim 12
Dependent Claim
28 words
The novel catalytic cracking composition of claim 1 wherein the weight ratio of said cracking catalyst to diluent is in the range of about 10:90 to about 90:10.
Claim 13
Dependent Claim
28 words
The novel catalytic cracking composition of claim 1 wherein the weight ratio of said cracking catalyst to diluent is in the range of about 50:50 to about 85:15.
Claim 14
Dependent Claim
22 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst has a MAT activity of about 2.0 to about 4.0
Claim 15
Dependent Claim
17 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst is an amorphous silica-alumina catalyst.
Claim 16
Dependent Claim
16 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst is a cross-linked clay.
Claim 17
Dependent Claim
16 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst is a synthetic mica-montmorillonite.
Claim 18
Dependent Claim
16 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst contains a crystalline aluminosilicate.
Claim 19
Dependent Claim
19 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst contains a stabilized hydrogen crystalline aluminum silicate.
Claim 20
Dependent Claim
19 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst contains a rare earth-exchanged crystalline aluminum silicate.
Claim 21
Dependent Claim
34 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst comprises from about ten to about 60 weight percent of a zeolite having cracking characteristics dispersed in a refractory metal oxide matrix.
Claim 22
Dependent Claim
34 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst comprises from about ten to about 40 weight percent of a zeolite having cracking characteristics dispersed in a refractory metal oxide matrix.
Claim 23
Dependent Claim
34 words
The novel catalytic cracking composition of claim 1 wherein said cracking catalyst comprises from about 20 to about 40 weight percent of a zeolite having cracking characteristics dispersed in a refractory metal oxide matrix.
Claim 24
Dependent Claim
15 words
The novel catalytic cracking composition of claim 20 wherein the zeolite is a synthetic faujasite.
Claim 25
Dependent Claim
28 words
The novel catalytic cracking composition of claim 20 wherein the zeolite is at least one synthetic faujasite selected from the group consisting of type Y and type X.
Claim 26
Dependent Claim
18 words
The novel catalytic cracking composition of claim 24 wherein the X and Y zeolites are rare earth exchanged.
Claim 27
Dependent Claim
14 words
The novel catalytic cracking composition of claim 20 wherein the matrix is substantially crystalline.
Claim 28
Dependent Claim
14 words
The novel catalytic cracking composition of claim 20 wherein the matrix is substantially amorphous.
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) | 1989-10-06 | 1990-04-07 | 1990-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-06 | 1994-04-07 | 1994-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-06 | 1998-04-07 | 1998-10-07 | $7700.00 | Window Closed / Lapsed |