US4010116A
Expired / Lapsed
US
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Fluid cracking catalysts
Assignee: HARSHAW/FILTROL PARTNERSHIP A PARTNERSHIP OF
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Filing: 1974-10-15
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Granted: 1977-03-01
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Expires: 1994-10-15
Abstract
Abstract This invention relates to a high-activity catalyst of improved thermal stability employing a zeolite of the faujasite type, pseudoboehmite alumina gel and a synthetic mica-montmorillonite and may also include a clay.
Inventors
- 👤 Robert B. Secor
- 👤 Robert A. Van Nordstrand
- 👤 David R. Pegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:07
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J2229/00; B01J2229/30; B01J2229/42; B01J37/00; B01J37/0009; B01J37/0027; B01J37/0045; Y; Y10; Y10S; Y10S502/00; Y10S502/50
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
91 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type in the range of about 10 parts by weight to about 25 parts by weight, peptized pseudoboehmite substantially free of sodium in the range of from about 10 parts by weight to about 25 parts by weight, and SMM in the range from about 20 parts by weight to about 65 parts by weight; and clay in the range of about 10 to about 50 parts by weight, the sum of the parts all equaling 100 parts by weight.
Claim 2
Dependent Claim
91 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type in the range of about 10 parts by weight to about 25 parts by weight, peptized pseudoboehmite substantially free of sodium in the range of from about 10 parts by weight to about 25 parts by weight, and SMM in the range from about 20 parts by weight to about 65 parts by weight; and clay in the range of about 10 to about 50 parts by weight, the sum of the parts all equaling 100 parts by weight.
Claim 3
Dependent Claim
30 words
The catalyst of claim 1 in which the pseudoboehmite contains less than about 0.01% Na expressed as Na 2 O and has a peptization index of more than about 5%.
Claim 4
Dependent Claim
18 words
The catalyst of claim 1 in which the SMM has a dispersibility index of more than about 60%.
Claim 5
Dependent Claim
18 words
The catalyst of claim 2 in which the SMM has a dispersibility index of more than about 60%.
Claim 6
Dependent Claim
98 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type in the range of from about 15 parts by weight to about 20 parts by weight, said zeolite analyzing less than about 5% Na 2 O, a pseudoboehmite substantially free of sodium of peptizability index of more than about 0.5%, in the range of 20 parts by weight to about 45 parts by weight and SMM in the range of about 40 parts by weight to about 65 parts by weight, the sum of the parts of the aforesaid components equaling substantially 100 parts by weight.
Claim 7
Dependent Claim
98 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type in the range of from about 15 parts by weight to about 20 parts by weight, said zeolite analyzing less than about 5% Na 2 O, a pseudoboehmite substantially free of sodium of peptizability index of more than about 0.5%, in the range of 20 parts by weight to about 45 parts by weight and SMM in the range of about 40 parts by weight to about 65 parts by weight, the sum of the parts of the aforesaid components equaling substantially 100 parts by weight.
Claim 8
Dependent Claim
30 words
The catalyst of claim 5 in which the pseudoboehmite contains less than about 0.01% Na expressed as Na 2 O and has a peptizability index of more than about 5%.
Claim 9
Dependent Claim
18 words
The catalyst of claim 5 in which the SMM has a dispersibility index of more than about 60%.
Claim 10
Dependent Claim
18 words
The catalyst of claim 6 in which the SMM has a dispersibility index of more than about 60%.
Claim 11
Dependent Claim
16 words
The catalyst of claim 2 which has an S+ steam activity of more than about 40.
Claim 12
Dependent Claim
15 words
The catalyst of claim 3 which has an attrition index of less than about 30.
Claim 13
Dependent Claim
25 words
The catalyst of claim 4 which has an S+ steam activity of more than about 40 and an attrition index of less than about 30.
Claim 14
Dependent Claim
16 words
The catalyst of claim 6 which has an S+ steam activity of more than about 40.
Claim 15
Dependent Claim
15 words
The catalyst of claim 7 which has an attrition index of less than about 20.
Claim 16
Dependent Claim
25 words
The catalyst of claim 8 which has an S+ steam activity of more than about 40 and an attrition index of less than about 20.
Claim 17
Dependent Claim
58 words
The catalyst of claim 1 in which the SMM is in the range of about 20 parts by weight to about 40 parts by weight and also comprising clay in the range of 15 parts by weight to about 50 parts by weight, the parts by weight of the aforesaid components adding to substantially 100 parts by weight.
Claim 18
Dependent Claim
30 words
The catalyst of claim 15 in which the pseudoboehmite contains less than about 0.01% Na expressed as Na 2 O and has a peptizability index of more than about 0.59.
Claim 19
Dependent Claim
18 words
The catalyst of claim 15 in which the SMM has a dispersibility index of more than about 60%.
Claim 20
Dependent Claim
18 words
The catalyst of claim 16 in which the SMM has a dispersibility index of more than about 60%.
Claim 21
Dependent Claim
16 words
The catalyst of claim 16 which has an S+ steam activity of more than about 40.
Claim 22
Dependent Claim
15 words
The catalyst of claim 17 which has an attrition index of less than about 30.
Claim 23
Dependent Claim
25 words
The catalyst of claim 15 which has an S+ steam activity of more than about 40 and an attrition index of less than about 30.
Claim 24
Dependent Claim
15 words
The catalyst of claim 15 which has an attrition index of less than about 20.
Claim 25
Dependent Claim
24 words
The catalyst of claim 15 which has an S+ steam activity of more than 40 and an attrition index of less than about 20.
Claim 26
Dependent Claim
33 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type, SMM and pseudoboehmite substantially free of sodium, and clay said catalyst having an S+ steam activity of more than about 40.
Claim 27
Dependent Claim
33 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type, SMM and pseudoboehmite substantially free of sodium, and clay said catalyst having an S+ steam activity of more than about 40.
Claim 28
Dependent Claim
29 words
The catalyst of claim 24 in which the pseudoboehmite has a peptizability index of more than about 0.5%, said SMM having an attrition index of more than about 60%.
Claim 29
Dependent Claim
29 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type, SMM, and pseudoboehmite substantially free of sodium, said catalyst having an attrition index less than about 30.
Claim 30
Dependent Claim
29 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type, SMM, and pseudoboehmite substantially free of sodium, said catalyst having an attrition index less than about 30.
Claim 31
Dependent Claim
29 words
The catalyst of claim 26 in which the pseudoboehmite contains less than 0.01% Na expressed as Na 2 O and has a peptizability index of more than about 0.5%.
Claim 32
Dependent Claim
10 words
The catalyst of claim 26 and also comprising a matrix.
Claim 33
Dependent Claim
30 words
The catalyst of claim 28 in which the psudoboehmite contains less than about 0.01% Na expressed as Na 2 O and has a peptizability index of more than about 5%.
Claim 34
Dependent Claim
19 words
A catalyst according to claim 26 in which the SMM has a dispersibility index of more than about 60%.
Claim 35
Dependent Claim
42 words
A catalyst according to claim 28 in which the pseudoboehmite contains less than 0.01% Na expressed as Na 2 O and has a peptizability index of more than about 5% and the SMM has a dispersibility index of more than about 60%.
Claim 36
Dependent Claim
31 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type, SMM, and pseudoboehmite substantially free of sodium, said catalyst having an S+ steaming stability of more than about 40.
Claim 37
Dependent Claim
31 words
A cracking catalyst comprising a cation exchanged zeolite of the faujasite type, SMM, and pseudoboehmite substantially free of sodium, said catalyst having an S+ steaming stability of more than about 40.
Claim 38
Dependent Claim
29 words
The catalyst of claim 32 in which the pseudoboehmite contains less than 0.01% Na expressed as Na 2 O and has a peptization index of more than about 5%.
Claim 39
Dependent Claim
10 words
The catalyst of claim 32 and also comprising a matrix.
Claim 40
Dependent Claim
31 words
The catalyst of claim 34 in which the pseudoboehmite has a peptizability index of more than about 0.5% and the catalyst has an S+ steaming stability of more than about 40.
Claim 41
Dependent Claim
19 words
The catalyst of claim 35 in which the pseudoboehmite contains less than 0.01% Na expressed as Na 2 O.
Claim 42
Dependent Claim
29 words
The catalyst of claim 36 in which the SMM has a dispersibility index of more about 40 and the catalyst has an attrition index of less than about 30.
References Cited (Backward Citations)
US3652449A
Cited
US3876558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-29 | 1980-08-30 | 1981-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-29 | 1984-08-30 | 1985-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-29 | 1988-08-30 | 1989-03-01 | $7700.00 | Window Closed / Lapsed |