US3844979A
Expired / Lapsed
US
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Layered clay minerals, catalysts, and processes for using
Assignee: Chevron USA Inc
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Filing: 1972-12-01
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Granted: 1974-10-29
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Expires: 1992-12-01
Abstract
Abstract A layer-type trioctahedral, clay-like mineral having the empirical formula
Inventors
- 👤 D Hickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:31
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42; B; B01; B01J; B01J21/00; B01J21/16; B01J29/00; B01J29/04; B01J29/049; C01B33/26; C01B33/40; C01B33/46; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B01J2229/00; B01J2229/30; B01J2229/36; B01J2229/42
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
9 words
A LAYER-TYPE TRIOCTSAHEDRAL CLAY-LIKE MINERAL HAVING THE EMPIRICAL FORMULA
Claim 2
Dependent Claim
9 words
A LAYER-TYPE TRIOCTSAHEDRAL CLAY-LIKE MINERAL HAVING THE EMPIRICAL FORMULA
Claim 3
Dependent Claim
41 words
The mineral of claim 1 where 1.0 < or = s < or = 1.33, 0 <a < or = 0.166, and 0 <b < or = 0.166, A is NH4 and B is a mixture of F and OH .
Claim 4
Dependent Claim
40 words
A mineral in accordance with claim 1 wherein A is chosen from the group consisting of H , NH4 , Na , K , 1/2 Mg , 1/2 Ba , 1/2 Sr , and 1/3 Al , and mixtures thereof.
Claim 5
Dependent Claim
21 words
The mineral of claim 1 wherein A is a cation that may be readily converted into the hydrogen form upon calcination.
Claim 6
Dependent Claim
56 words
The mineral of claim 1 wherein A is NH4 , B is at least in part F , and calcination gives a product consisting essentially of the product of claim 1 in the hydrogen form, wherein s 1.166 a 0.08, and said mineral having after calcination a fluoride content of from 1 to 3 weight percent.
Claim 7
Dependent Claim
240 words
A catalytic cracking catalyst comprising dehydrated, calcined, layer-type, trioctahedral, clay-like mineral having prior to dehydration and calcining of said catalyst the empirical formula MgO : sSiO2 : aAl2O3 : bAB : xH2O wherein the layer-lattice structure is composed of said silica, said alumina, said magnesia, said A and said B, and wherein s is from 0.66 to 1.33, a is 0 <a < or = 0.333, b is 0 <b < or = 0.333, A is one equivalent of an exchangeable cation having a valence of 3 or less and is external to the layers of the framework or at the edges or between successive layers of the structure, B is chosen from the group of negative ions consisting of F , OH , 1/2 O and mixtures thereof, and is internal or at the edges and surfaces of the layers of the framework structure, and x is from 2 to 3.5 at 50% relative humidity, said mineral being characterized by a d001 spacing at said humidity within the range which extends from a lower limit of about 10 Angstroms to an upper limit of about 15 Angstroms when A is monovalent and an upper limit of 18 Angstroms when A is divalent or trivalent, with intermediate values possible when A is a mixture of monovalent, divalent and trivalent cations, and a d06 spacing at said humidity in the range of from 1.5335 to 1.5176 Angstroms by x-ray diffraction analysis.
Claim 8
Dependent Claim
240 words
A catalytic cracking catalyst comprising dehydrated, calcined, layer-type, trioctahedral, clay-like mineral having prior to dehydration and calcining of said catalyst the empirical formula MgO : sSiO2 : aAl2O3 : bAB : xH2O wherein the layer-lattice structure is composed of said silica, said alumina, said magnesia, said A and said B, and wherein s is from 0.66 to 1.33, a is 0 <a < or = 0.333, b is 0 <b < or = 0.333, A is one equivalent of an exchangeable cation having a valence of 3 or less and is external to the layers of the framework or at the edges or between successive layers of the structure, B is chosen from the group of negative ions consisting of F , OH , 1/2 O and mixtures thereof, and is internal or at the edges and surfaces of the layers of the framework structure, and x is from 2 to 3.5 at 50% relative humidity, said mineral being characterized by a d001 spacing at said humidity within the range which extends from a lower limit of about 10 Angstroms to an upper limit of about 15 Angstroms when A is monovalent and an upper limit of 18 Angstroms when A is divalent or trivalent, with intermediate values possible when A is a mixture of monovalent, divalent and trivalent cations, and a d06 spacing at said humidity in the range of from 1.5335 to 1.5176 Angstroms by x-ray diffraction analysis.
Claim 9
Dependent Claim
18 words
The catalytic cracking catalyst of claim 6 wherein said dehydrated mineral is composited with an amorphous inorganic oxide.
Claim 10
Dependent Claim
16 words
The catalytic cracking catalyst of claim 6 wherein said dehydrated mineral is composited with a zeolite.
Claim 11
Dependent Claim
245 words
A catalyst composite comprising: A. a layer-type, trioctahedral, clay-like mineral having prior to dehydration and calcining of said catalyst the empirical formula MgO : sSiO2 : aAl2O3 : bAB : xH2O wherein the layer-lattice structure is composed of said silica, said alumina, said magnesia, said A and said B, and wherein s is from 0.66 to 1.33, a is 0 <a < or = 0.333, b is 0 <b < or = 0.333, A is one equivalent of an exchangeable cation having a valence of 3 or less and is external to the layers of the framework or at the edges or between successive layers of the structure, B is chosen from the group of negative ions consisting of F , OH , O and mixtures thereof, and is internal or at the edges and surfaces of the layers of the framEwork structure, and x is from 2 to 3.5 at 50% relative humidity, said mineral being characterized by a d001 spacing at said humidity within the range which extends from a lower limit of about 10 Angstroms to an upper limit of about 15 Angstroms when A is monovalent and an upper limit of 18 Angstroms when A is divalent or trivalent, with intermediate values possible when A is a mixture of monovalent, divalent and trivalent cations, and a d06 spacing at said humidity in the range of from 1.5335 to 1.5176 Angstroms by x-ray diffraction analysis; and B. at least one hydrogenation component.
Claim 12
Dependent Claim
245 words
A catalyst composite comprising: A. a layer-type, trioctahedral, clay-like mineral having prior to dehydration and calcining of said catalyst the empirical formula MgO : sSiO2 : aAl2O3 : bAB : xH2O wherein the layer-lattice structure is composed of said silica, said alumina, said magnesia, said A and said B, and wherein s is from 0.66 to 1.33, a is 0 <a < or = 0.333, b is 0 <b < or = 0.333, A is one equivalent of an exchangeable cation having a valence of 3 or less and is external to the layers of the framework or at the edges or between successive layers of the structure, B is chosen from the group of negative ions consisting of F , OH , O and mixtures thereof, and is internal or at the edges and surfaces of the layers of the framEwork structure, and x is from 2 to 3.5 at 50% relative humidity, said mineral being characterized by a d001 spacing at said humidity within the range which extends from a lower limit of about 10 Angstroms to an upper limit of about 15 Angstroms when A is monovalent and an upper limit of 18 Angstroms when A is divalent or trivalent, with intermediate values possible when A is a mixture of monovalent, divalent and trivalent cations, and a d06 spacing at said humidity in the range of from 1.5335 to 1.5176 Angstroms by x-ray diffraction analysis; and B. at least one hydrogenation component.
Claim 13
Dependent Claim
23 words
The catalyst of claim 9 wherein said hydrogenation component is a Group VIB or Group VIII metal, oxide, sulfide, or any combination thereof.
Claim 14
Dependent Claim
11 words
The catalyst of claim 10 wherein said hydrogenation component is palladium.
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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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |