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7119245 Synthesis of an un-supported, high-flow ZSM-22 zeolite membrane  
Novel methods for synthesizing wholly un-supported, high-flow catalytic membranes consisting of 100% crystalline ZSM-22 crystals with no binder phase, having sufficient porosity to allow high...
6469226 Delaminated microporous solid  
The invention concerns a microporous oxide material ITQ6, with a characteristic X-ray diffraction pattern, and surface areas for which microporous surface area may be of at least 20 m 2 /g the...
6346140 Porous solid for gas adsorption separation and gas adsorption separation process employing it  
A gas adsorption separation process characterized by adsorption separation of components in a gas by contacting the gas with a porous solid which is a porous solid having an X-ray diffraction...
5958367 Methods for preparing porous metal oxides  
The present invention relates to a composition and a method for producing hexagonally-packed mesoporous metal oxides wherein the metal oxide is selected from transition metals and lanthanide...
5885546 Process for the preparation of titanium silicates  
A process for the preparation of crystalline, microporous titanium silicates having the chemical formula: x TiO 2 : (1-x) SiO 2 wherein x is greater than 0.04 and less than or equal to 0.075....
5830429 Metal silicate compositions and catalysts  
A high silica zeolite (UTD-1) using bis(pentamethyl-cyclopentadienyl)cobalt(III) hydroxide, Cp* 2 CoOH is disclosed. UTD-1 is a large pore molecular sieve having one dimensional channels running...
5800799 Porous inorganic oxide materials prepared by non-ionic surfactant and fluoride ion  
A method for the preparation of new quasi-crystalline, porous inorganic oxide compositions formed in the presence of fluoride ion possessing a disordered assembly of worm-like channels. The method...
5783167 Structure material of the zeolite type with ultralarge pores and a lattice comprised of silicone and titanium oxides: its synthesis and utilization for the selective oxidation of organic products  
The invention relates to a material comprised of silicotitanates having a crystalline structure similar to MCM-41 zeolites, said material being characterized in that it contains in its lattice...
5707601 Process for preparing zeolites having MTT crystal structure using small, neutral amines  
The present invention relates to a process for preparing zeolites having the MTT crystal structure, such as zeolites SSZ-32 and ZSM-23, using small, neutral amines capable of forming the zeolite,...
5707600 Process for preparing medium pore size zeolites using neutral amines  
The present invention relates to a process for preparing medium pore size zeolites using small, neutral amines capable of forming the zeolite, the amine containing (a) only carbon, nitrogen and...
5675050 Crystalline microporous solids consisting of aluminophosphates substituted by a metal and optionally by silicon and belonging to the FAU structure type, their synthesis and applications  
Crystalline microporous solids of the aluminophosphate type consisting of MeAPO-FAU and MeAPSO-FAU with Me denoting a metal which can adopt tetrahedral coordination in an oxide, for example Co and...
5670131 Synthetic porous crystalline MCM-61, its synthesis and use  
This invention relates to a new synthetic porous crystalline material, designated MCM-61, a method for its preparation and use thereof as a sorbent or in catalytic conversion of organic or...
5648058 Synthesis of novel molecular sieves using a metal complex as a template  
The synthesis and characterization of novel molecular sieves containing bis(pentamethylcyclopentadienyl) cobalt(III) ion are described. Several types of molecular sieves were prepared using the...
5603914 Synthesis of novel molecular sieves using a metal complex as a template  
The synthesis and characterization of novel molecular sieves containing bis(pentamethylcyclopentadienyl) cobalt(III) ion are described. Several types of molecular sieves were prepared using the...
5593655 Process for preparing a large molecular sieve  
The present invention relates to a process for the preparation of a large-pore molecular sieve, comprising crystallizing the molecular sieve from a starting mixture at a pH in the range of from 3...
5549881 Process for preparing a seeded high-silica zeolite having the faujasite topology  
A process to make a seed high silica zeolite having a faujasite structure and a silica to alumina ratio greater than 6, and containing tetrapropyl ammonium and/or tetrabutyl ammonium trapped within...
5489424 Synthesis of novel molecular sieves using a metal complex as a template  
The synthesis and characterization of novel molecular sieves containing bis(pentamethylcyclopentadienyl) cobalt(III) ion are described. Several types of molecular sieves were prepared using the...
5350722 MTW-type zeolite and its preparation process  
The invention relates to a synthetic crystalline zeolite of the MTW type, characterized by: a) the following approximate general formula: M 2 /n O, Al 2 O 3 , xSiO 2 in which M...
5346685 Synthetic porous crystalline MCM-51, its synthesis and use  
This invention relates to a new synthetic porous crystalline titanium phosphate material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new...
5300277 Synthesis of mesoporous crystalline material  
This invention relates to an improvement in the method for synthesis of a new synthetic composition of porous crystalline material. The new crystalline material exhibits a large sorption capacity...
5264203 Synthetic mesoporous crystalline materials  
This invention relates to a new synthetic composition of ultra-large pore crystalline material, e.g., [metallo]silicoaluminophosphate, having a composition, expressed on an anhydrous basis as...
5227151 Method of preparing silicoaluminophosphate compositions using a reagent containing both quaternary ammonium and silicon reactive sites in the same molecule  
A method of preparing silicoaluminophosphate (SAPO) compositions from a forming mixture which comprises sources of oxides of silicon, aluminum and phosphorus and quaternary ammonium-functionalized...
5116590 Crystalline zeolite ECR-35 and a method for producing same  
A synthetic large pore crystalline metalsilicate zeolite composition, designated as ECR-35, having the formula, expressed in term of mole ratio of oxides: ##STR1## where T is an organic cation...
5098686 Synthesis of zeolites of faujasite structure  
A process is provided for the preparation of zeolites belonging to the faujasite structural class and exhibiting a Si:Al ratio higher than 1 in which a reaction mixture is first produced which has...
5063038 Zeolite synthesis using an alcohol or like molecule  
There is provided a method for preparing a zeolite other than ZSM-5 from a reaction mixture comprising a mixed organic directing agent which is a combination of (a) an organic nitrogen containing...
5057296 Method for synthesizing mesoporous crystalline material  
This invention relates to an improved method for synthesizing a new synthetic composition of ultra-large pore crystalline material which can be used as a sorbent or catalyst component for...
5053211 Manufacture of AMS-18 crystalline borosilicate molecular sieve  
AMS-1B crystalline borosilicate molecular sieve is prepared by reacting under crystallization conditions, in substantial absence of a metal or ammonium hydroxide, an aqueous mixture containing an...
4975258 Novel crystalline (metallo) silicates and germanates  
A crystalline material having, in the dehydrated form, the empirical formula: m(m 2/a O):X z O xz /2 : y YO 2 (I) in which m is 0.5 to 1.5; M is a cation of valency a; X is a metal of...
4857288 Zeolite LZ-135 and process for preparing same  
Novel crystalline aluminosilicate composition denominated LZ-135 and having uniform pore diameters of approximately 4.3 Angstroms is prepared hydrothermally from a reaction mixture containing as...
4721607 Process for the production of boronaaronate molecular sieve using ethylenediamine and quinoline or isoquinoline  
A new crystalline borosilicate molecular sieve, boronaaronate, having a composition in terms of mole ratios of oxides: 0.9±0.2M 2 /n O:B 2 O 3 :ySiO 2 :zH 2 O wherein M is a cation of...
4680170 Synthesis of zeolitic materials using ion-exchange resin  
Crystalline zeolites and zeolitic materials are prepared by crystallization from an aqueous mixture comprising a source of silica, optionally a source of alumina, and an ion-exchange resin...
4663140 Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound  
A process of manufacture of a crystalline aluminum silicate is disclosed wherein the aqueous forming solution has augmented thereto both a pyridine compound and a quaternary ammonium hydroxide. The...
4627968 Synthesis of crystalline aluminosilicate with alkylurea or alkylthiourea  
In the synthesis of a crystalline aluminosilicate by heating an aqueous mixture containing a silica source, an alumina source and an alkali metal source, at least one compound selected from lower...
4613488 Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound  
A process of manufacture of a crystalline aluminum silicate is disclosed wherein the aqueous forming solution has augmented thereto both a pyridine compound and a quaternary ammonium hydroxide. The...
4578259 Process for preparing a crystalline aluminosilicate  
Crystalline aluminosilicates, a process for the production thereof and uses therefor are disclosed. The crystalline aluminosilicates are of new crystalline structure, which, as determined after...
4560542 Method for the preparation of zeolites using a low water low alkali metal content gel  
An improved method is provided for the preparation of organic cation-containing zeolites and their thermal decomposition products, by adding the organic templating agent to a preformed...
4526879 Synthesis of zeolite ZSM-5  
As synthesized by conventional technique, zeolite ZSM-5 is crystallized in the presence of substantial amount of tetraalkylammonium cations, the alkyl groups of which contain 2 to 5 carbon atoms,...
4522800 Process for the production of a crystalline aluminosilicate zeolite  
A method for making crystalline aluminosilicate ZSM-34 zeolites, useful as catalysts for making C 2 -C 4 -olefins from methanol, from a reaction mixture containing silicon, aluminum, sodium,...
4495166 Synthesis of ZSM-5 utilizing a mixture of quaternary ammonium ions and amines  
A novel process for the preparation of ZSM-5 and ZSM-11 utilizing a mixture of both quaternary ammonium ions and amines in the forming solution is disclosed in order to enhance the rate of...
4481173 Manufacture of low sodium zeolite  
The alkali metal content of zeolite ZSM-11 in its as-synthesized form is reduced by crystallizing the zeolite from a solution containing a source of benzyltrimethyl ammonium ions.
4474741 Preparation of a crystalline aluminosilicate (zeolite)  
A process for the preparation of a crystalline aluminosilicate of the pentasil type by hydrothermal crystallization of SiO 2 and Al(OH) 3 in the presence of an alkali metal salt at from 80° to...
4420467 Zeolite Nu-5  
A synthetic zeolite material, designated zeolite Nu-5, having a molar composition expressed by the formula; 0.5 to 1.5 R 2 O: Y 2 O 3 : at least 10 XO 2 : 0 to 2000 H 2 O wherein R is a...
4407728 Method for producing crystalline aluminosilicates and their use as catalysts and catalyst supports  
The invention relates to a method for preparing a crystalline aluminosilicate having a high silica to alumina molar ratio and an X-ray diffraction pattern substantially the same as that of ZSM-5...
4404175 Preparation of zeolites  
A process for the preparation of zeolites of the ZSM-5 structural type from a mixture of SiO 2 and Al(OH) 3 by hydrothermal crystallization in an aqueous amine solution, in the absence of alkali,...
4375458 Synthesis of large crystallite zeolites  
The invention provides a method of making large crystallite zeolites by a method comprising forming the zeolite in a medium containing a combination of two different alkylammonium cations or a...
4331643 Use of diazobicyclooctane (DABCO) as a template in zeolite synthesis  
A process for preparing a ZSM-4 type crystalline zeolite material wherein 1,4-diazobicyclo (2.2.2) octane (DABCO), triethylenediamine (TED) is used as the source of an organic cation.
4259306 Synthesis of ZSM-39  
A new and useful method for preparing synthetic zeolite ZSM-39 is provided. This new method comprises synthesizing zeolite ZSM-39 in the presence of pyrrolidine as a template rather than the...
4209498 Silica-containing material FU-1  
A silica-containing material related to zeolites and referred to hereinafter as FU-1 has the composition 0.6 to 1.4 R 2 O.Al 2 O 3 .over 5 SiO 2 .O to 40 H 2 O, (where R is a monovalent cation...
4205053 Manufacture of nitrogenous zeolites  
A process for manufacturing synthetic nitrogenous zeolites such as ZSM-5 in which the shape or some other feature of the microscopic crystals is controlled by including in the forming solution an...
4199556 Method for producing zeolites  
As synthesized by previous methods, ZSM-5 or ZSM-11 zeolites are crystallized in the presence of substantial amounts of a nitrogen-containing compound. When synthesized in this way, they contain an...
Matches 1 - 50 out of 56 1 2 >