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Class 502/68 - Mixed with clay


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition , in which the additional Al or Si is in the
No. of patents: 353
Last issue date: 10/13/2009


                9  
NumberTitleIssue Date
4247416Crystalline zeolite ZSM-25
A new crystalline zeolite, designated "ZSM-25", a method of making the zeolite and using the zeolite in catalytic conversion of hydrocarbons, is the subject of this application. The new zeolite has a composition in the anhydrous state expressed in terms o...
01/27/1981
4235753Zeolitized composite bodies and manufacture thereof
An improved process for the production of mechanically strong shaped crystalline zeolitic aluminosilicate bodies from precursor bodies composed of kaolin clay calcined at elevated temperature, the crystallized bodies having essentially the same size and s...
11/25/1980
4235754Cracking catalyst
A metal combustion promoter is introduced to the circulating inventory of catalyst in a catalytic cracking unit as a mixture of particles rich in metal with particles free of metal such that the net concentration of metal in the mixture is about 1 to 10 p...
11/25/1980
4206085Balanced alumina matrix in zeolite containing catalyst
This invention relates to an improvement in the abrasion resistance of catalysts formulated from a mixture of an exchanged zeolite of the faujasite type, hydrated alumina and ammonium polysilicate or silica sol....
06/03/1980
4198319Method of producing zeolitic catalysts with silica alumina matrix
This invention relates to zeolitic catalysts composed of an exchanged zeolite of the faujasite type and a matrix composed of clay and an alumina-silica component....
04/15/1980
4192773Oxygen absorbent
An oxygen absorbent comprising (a) metal halide-coated metal powder having at least one metal halide coated on the surface of at least one metal powder, the amount of metal halide coated being in the range of from about 0.001 part to about 10 parts by wei...
03/11/1980
4175059Method of preparing a novel platelet-type crystalline form of synthetic faujasite
A process for preparing a synthetic faujasite having a novel platelet-type crystalline shape and a silica to alumina ratio above 2.2 by adding potassium ions to a seeded faujasite synthesis slurry and heating to convert to the synthetic faujasite. The use...
11/20/1979
4157375Conversion of nitrogen oxides
Zeolite catalyzed reduction of nitrogen oxides in exhaust gases is conducted with catalytic elements in the form of multi-channel structures in which parallel channels are defined by thin walls constituted by refractory oxides having zeolite dispersed the...
06/05/1979
4151121Hydrocarbon conversion catalyst containing a co-oxidation promoter
A cracking catalyst for promoting the oxidation of carbon monoxide to carbon dioxide during regeneration of the catalyst by the burning of coke therefrom, which comprises a crystalline aluminosilicate zeolite, an inorganic porous oxide matrix material and...
04/24/1979
4144194Zeolite promoted hydrocarbon conversion catalysts
A zeolite promoted hydrocarbon conversion catalyst prepared by combining Y-type zeolite and a silicate containing mother liquor obtained as a by-product in the preparation of Y-type zeolite with clay and inorganic amorphous matrix forming components. The ...
03/13/1979
4126579Hydrocarbon conversion catalyst manufacture
A process for preparing a silica gel bound zeolite containing catalyst by preparing an acidic silica sol and alkaline zeolite slurry feed streams, rapidly and homogeneously mixing the streams to form a rapidly gelling mixture, and spraying the mixture to ...
11/21/1978
4124487Process for reforming and dewaxing by selective hydrocracking of hydrocarbon fractions
The process for selective hydrocracking of hydrocarbon fractions consists in that hydrocarbon fractions are contacted with hydrogen at a respective molar ratio of 1:2.5-20, a temperature of 280° - 520° C., and a pressure of 15 - 100 kgf/cm2 o...
11/07/1978
4110255Beverage carbonation device
A rigid composite body containing crystalline molecular sieves and having liquid-permeable channels extending in a substantially vertical direction from one surface of said body to the interior thereof, preferably to an opposite surface, is charged with c...
08/29/1978
4107088Copolymerized silica hydrosol bound cracking catalysts
A process for modifying the silica hydrosol used to bind zeolite clay catalysts by adding salts of titania, zirconia, iron or ceria to the silica hydrosol in the course of preparation is disclosed. This addition alters the physical characteristics of cata...
08/15/1978
4097410Hydrocarbon conversion catalyst containing a CO oxidation promoter
A cracking catalyst for promoting the oxidation of carbon monoxide to carbon dioxide during regeneration of the catalyst by the burning of coke therefrom, comprises two distinct crystalline aluminosilicate zeolite particles embedded in an inorganic porous...
06/27/1978
4086187Attrition resistant zeolitic catalyst
Attrition resistant zeolitic catalysts containing silica, alumina and clay components....
04/25/1978
4085069Hydrothermally stable catalysts containing ammonium faujasite zeolites
Catalysts containing a matrix and an ammonium zeolite of the faujasite type produced by exchanging the zeolite whose exchange sites are substantially entirely occupied by Na cations, with an ammonium salt solution to exchange substantially all of the Na c...
04/18/1978
4079019Process for preparing zeolite containing hydrocarbon conversion catalysts
Attrition resistant and stable catalyst composition comprising crystalline aluminosilicate zeolites e.g. rare earth exchanged zeolites dispersed in an inorganic matrix containing synthetic amorphous silica-alumina and clay are prepared by a process which ...
03/14/1978
4069172Adsorbent for aromatic hydrocarbon mixture separation
An adsorbent for separating para-isomers from C8 or C10 aromatic hydrocarbons, specifically, a faujasite zeolite wherein about 2.5 to 25 percent, based on the total exchangeable cation sites originally present within the faujasite ze...
01/17/1978
4036739Catalytic cracking process using ammonia-stable zeolite catalyst
Highly active, hydrothermally stable and ammonia-stable Y zeolite compositions are disclosed, which compositions are useful as adsorbents, hydrocarbon conversion catalysts, and as acidic supports for catalytic metals. The stabilized Y zeolite composition ...
07/19/1977
4036782Granulated zeolite catalyst and process for producing the catalyst
A granulated zeolite catalyst which contains cations of metals of Group II of the periodic system with an exchange degree of from 5 to 50% of the theoretical value, hydrogen groups with an exchange degree of from 5 to 50% of the theoretical value, and at ...
07/19/1977
4022714Silica hydrosol bound cracking catalysts
A process for modifying the silica hydrosol used to bind zeolite clay catalysts by adding salts of titania, zirconia, iron or ceria to the silica hydrosol in the course of preparation is disclosed. This addition alters the physical characteristics of cata...
05/10/1977
4010116Fluid cracking catalysts
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....
03/01/1977
4007134Beverage carbonation device
A rigid composite body containing crystalline molecular sieves and having liquid-permeable channels extending in a substantially vertical direction from one surface of said body to the interior thereof, preferably to an opposite surface, is charged with c...
02/08/1977
3994800Catalytic cracking with catalyst of improved Y zeolite
A process for cracking hydrocarbon feedstocks by contacting such stocks under cracking conditions with a composite catalyst comprising an improved hydrogen exchanged Y-type zeolite component and an amorphous inorganic matrix component. The use of this cat...
11/30/1976
3985640Cracking with zeolite catalysts promoted with uranium or uranium plus silver
Uranium oxide or uranium and silver oxides in combination with hydrogen or rare earth oxides are exchanged into zeolites as components of zeolite cracking catalysts to increase the olefin content of the gasoline and, thus, enhance the yield of high octane...
10/12/1976
3979335Process for the preparation of synthetic zeolites
A process for the preparation of synthetic zeolites comprising mixing zeolite powder of a particle size not exceeding 5 mcm with a natural binder of a particle size of 250-500 A. The resulting mixture is wetted with water and pelletized, the pellets thus ...
09/07/1976
3976598Zeolite synthesis
Process for synthesizing crystalline aluminosilicates of the molecular sieve type wherein smectite which has undergone fusion with sodium chloride is employed as a source of silica and alumina....
08/24/1976
3972835Fluid cracking catalyst based on silica sol matrix
A process for preparing a hydrocarbon cracking catalyst is disclosed. The process consists of preparing a silica sol by passing sodium silicate through an ion exchange resin column to form a silica sol containing about 5% silica. Clay and zeolitic compone...
08/03/1976
3963644Conversion catalysts
Hydrocracking catalysts are disclosed consisting essentially of a physical, particle-form mixture of (1) a crystalline alumino-silicate component having a sodium content of less than 4 percent by weight, and (2) a hydrogenation component comprising a pred...
06/15/1976
3957689Process for preparing an attrition resistant zeolite hydrocarbon conversion catalyst
A process for preparing a hydrocarbon cracking catalyst which consists of preparing a silica hydrosol, adjusting the pH of the sol and at the same time buffering the sol by adding an aluminum sulfate solution, adding clay and zeolitic components, spray dr...
05/18/1976
3939058Method for fluid cracking with a composite catalyst
A crystalline aluminosilicate zeolite catalyst made by a process comprising the steps of exchanging the zeolite, heating it, compositing the resulting product with a porous matrix and reexchanging the composite product is provided. The invention also prov...
02/17/1976
3932268Hydrocarbon conversion process
A process for the catalytic cracking of hydrocarbons to produce gasoline wherein the hydrocarbon charge is contacted under fluid cracking conditions with a fluid catalyst composition comprising ion-exchanged synthetic crystalline faujasite and an amorphou...
01/13/1976
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