Patent US4326993A successfully refreshed from Google Patents.
US4326993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel cracking catalysts and catalyst supports
Assignee: Mobil Oil AS
•
Filing: 1979-12-17
•
Granted: 1982-04-27
•
Expires: 1999-12-17
Abstract
Abstract Cracking catalysts or catalyst supports prepared from mixtures comprising colloidal alumina, colloidal silica, a particulate weighting agent, and/or an active catalytic component possess excellent catalytic and physical properties. The catalysts in accordance with the invention also show excellent resistance to metal poisoning, and are also highly useful in non-cracking and/or hydroconversion processes.
Inventors
- 👤 Arthur W. Chester
- 👤 William A. Stover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:25
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/16; B01J29/166; B01J21/00; B01J21/06; B01J21/08; B01J29/061; B01J29/10; B01J29/12; B01J29/126; B01J29/14; B01J29/146; B01J35/00; B01J35/60; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/36; B01J2229/42; B01J29/40; B01J29/65; B01J29/70; B01J29/7011; B01J35/61; B01J35/615; B01J35/63; B01J35/633; B01J35/66; B01J35/69
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
133 words
A composition, suitable for use as a catalyst or catalyst support, prepared by mixing from 1 to 99 wt. % of colloidal dispersions of alumina particles, from 1 to 99 wt. % of colloidal dispersions of silica particles, from 1 to about 75 wt. % of a suitable particulate weighting agent and from 1 to about 75 wt. % of a crystalline aluminosilicate zeolite hydrocarbon conversion component and thereafter drying the resultant composite; said alumina and silica particles each having diameters in the range of 10 to 10,000 A and said composite having at least 40% of the pore volume in the 30 to 300 A diameter range, between 60 and 80 A, and at least 25% of total pore volume in excess of 30 A between said 60 and 80 A range.
Claim 2
Dependent Claim
133 words
A composition, suitable for use as a catalyst or catalyst support, prepared by mixing from 1 to 99 wt. % of colloidal dispersions of alumina particles, from 1 to 99 wt. % of colloidal dispersions of silica particles, from 1 to about 75 wt. % of a suitable particulate weighting agent and from 1 to about 75 wt. % of a crystalline aluminosilicate zeolite hydrocarbon conversion component and thereafter drying the resultant composite; said alumina and silica particles each having diameters in the range of 10 to 10,000 A and said composite having at least 40% of the pore volume in the 30 to 300 A diameter range, between 60 and 80 A, and at least 25% of total pore volume in excess of 30 A between said 60 and 80 A range.
Claim 3
Dependent Claim
30 words
The composition of claim 1 prepared by mixing therein from 20 to 90 wt. % of colloidal alumina particles and from 10 to 80 wt. % of colloidal silica particles.
Claim 4
Dependent Claim
26 words
The composition of claim 1 wherein the weighting agent is a particulate clay selected from the groups consisting of attapulgite, bauxite, montromillonite, kaolin and fuller's earth.
Claim 5
Dependent Claim
28 words
A catalyst as defined in claim 1 wherein said hydrocarbon conversion component is a zeolite selected from the group consisting of ZSM-4, ZSM-5, ZSM-11, ZSM-12, ZSM-35 and ZSM-38.
Claim 6
Dependent Claim
23 words
The catalyst of claim 1 having from 5 to 35 wt. % of said zeolite based on the total weight of the composition.
Claim 7
Dependent Claim
19 words
A composition comprising a cracking catalyst and a catalyst support or matrix therefor prepared as described in claim 1.
Claim 8
Dependent Claim
30 words
The catalyst of claim 6 prepared by mixing therewith from 20 to 90 wt. % of colloidal alumina particles and from 10 to 80 wt. % of colloidal silica particles.
Claim 9
Dependent Claim
31 words
The catalyst of claim 7 having from 1 to about 75 wt. % of a clay weighting agent selected from the group consisting of attapulgite, bauxite, montromillonite, kaolin and fuller's earth.
Claim 10
Dependent Claim
55 words
A composition comprising a hydroconversion catalyst support or matrix prepared as described in claim 1 by mixing therewith from 20 to 90 wt. % of colloidal alumina particles and from 10 to 80 wt. % of colloidal silica particles and a hydrogenating component selected from metals of Group VIB and VIII of the Periodic Table.
Claim 11
Dependent Claim
25 words
A composition comprising a catalyst support or matrix prepared as described in claim 6 wherein said support or matrix is crystalline or amorphous in form.
Claim 12
Dependent Claim
17 words
The catalyst of claim 6 promoted by the addition of from 0.01-100 ppm of platinum group metal.
Claim 13
Dependent Claim
12 words
The catalyst of claim 11 wherein the platinum group metal is platinum.
References Cited (Backward Citations)
US3417030A
Cited
GB1231826A
Cited
US3642661A
Cited
GB1392312A
Cited
US3933621A
Cited
US3867308A
Cited
US3943064A
Cited
US4158024A
Cited
US4217240A
Cited
US4111846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-26 | 1985-10-26 | 1986-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-26 | 1989-10-26 | 1990-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-26 | 1993-10-26 | 1994-04-27 | $7700.00 | Window Closed / Lapsed |