Patents
Patents for C01B 39 - Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination (11,724)
12/1993
12/28/1993US5273736 Crystallization of an aqueous solution of alkali metal oxide, calcined boron beta-zeolite and the template
12/26/1993CA2072308A1 Zinc phosphate molecular sieves and their use in adsorption and catalysis
12/23/1993WO1993025477A1 Stable zeolite of low unit cell constant and method of making same
12/23/1993WO1993025476A1 Zsm-5 zeolite
12/23/1993WO1993025475A1 Zsm-22 zeolite
12/23/1993CA2115370A1 Stable zeolite of low unit cell constant and method of making same
12/22/1993EP0575041A1 A process for the dealumination of mordenite
12/22/1993CN1079714A Aluminosilicates
12/21/1993US5271922 Process for preparing molecular sieves using a sparteine template
12/21/1993US5271921 Process for preparing molecular sieves using 3,7-diazabicyclo[3.3.1]
12/21/1993US5271761 Substituted aluminosilicate compositions and process for preparing
12/16/1993CA2094643A1 Process for dealumination of mordenite
12/15/1993CN1079444A Process for preparation of small crystal grain Na Y molecular sieve
12/08/1993EP0573347A1 Use of a modified mordenite zeolite catalyst for isomerizing an aromatic C8-fraction
12/08/1993EP0572461A1 Siliceous offretite.
12/08/1993CN1079250A An assitant containing silicate and a kind of inorganic product as base
12/07/1993US5268162 Method for producing a particulate zeolite and a particulate zeolite produced thereby
12/07/1993US5268161 Process for preparing molecular sieves using a 1,3,3,8,8-pentamethyl-3-azoniabicyclo [3.2.1] octane template
12/01/1993EP0571432A1 Fe-CONTAINING ZEOLITE KL.
11/1993
11/30/1993US5266542 Synthetic film of zeolite crystal body and method for manufacturing the zeolite film
11/23/1993US5264203 Synthetic mesoporous crystalline materials
11/23/1993US5264193 Removal of hydrogen sulfide, carbondioxide and water by selective adsorption with zeolite or molecular sieves
11/23/1993CA1324615C Zeolite ssz-26
11/18/1993EP0570136A1 Selective surface dealumination of zeolites and use of the surface-dealuminated zeolites
11/18/1993EP0570107A1 A method for producing zeolites with reduced surface acidity
11/18/1993EP0569626A1 Novel zeolite and process for production thereof
11/16/1993US5262141 Insertion of silicon into the crystal framework of a zeolite
11/12/1993CA2093976A1 Method for producing zeolites with reduced surface acidity
11/11/1993WO1993022254A1 Method for preparing high solids bentonite slurries
11/11/1993CA2134785A1 Method for preparing high solids bentonite slurries
11/10/1993EP0568566A1 Process for producing substantially binder-free zeolite.
11/10/1993EP0458839B1 Method for producing a cellular body
11/03/1993EP0567640A1 Ionic conductors for solid oxide fuel cells
11/02/1993US5258114 Ultra large pore cracking catalyst and process for catalytic cracking
11/02/1993US5258058 Nitrogen adsorption with a divalent cation exchanged lithium X-zeolite
10/1993
10/27/1993EP0566680A1 Layered oxide materials and swollen and pillared forms thereof
10/26/1993US5256392 Hydrothermal digestion; ion exchanging
10/26/1993US5256391 Method for synthesizing microporous crystalline material
10/26/1993US5256390 Biocidal zeolite particles
10/20/1993EP0566348A2 Zirconia-pillared clays and micas
10/19/1993US5254770 Isomerization of aromatic compounds over ZSM-22 zeolite
10/19/1993US5254514 Zeolite SSZ-37
10/19/1993US5254327 Zeolitic catalyst of MFI type, its preparation and use
10/14/1993WO1993019841A1 Membrane for separating off small molecules and method for the production thereof
10/13/1993EP0565364A1 Aluminosilicates
10/13/1993EP0549693A4 Process for producing bentonite clays exhibiting enhanced solution viscosity properties
10/12/1993US5252527 Zeolite SSZ-32
10/06/1993EP0563631A1 Sodium silicate and aluminosilicate cogranulates, process for the preparation thereof and use thereof
10/06/1993EP0563261A1 Preparation and use of mullite whisker networks
10/05/1993US5250282 Recovering crystalline oxide from mixture of oxide precursors, solvent, amphiphilic compound, calcining to remove residues
10/05/1993US5250277 Crystalline oxide material
09/1993
09/30/1993WO1993019008A1 Vanadium-containing mfi zeolite
09/28/1993US5248644 Heat resistance formed by mixing, separation, washing and drying then roasting
09/28/1993US5248643 Growing on a substrate, hydrothermal treatment
09/28/1993US5248491 Hydrothermal, pore size, tetraethylammonium sodium silicate
09/22/1993EP0561656A1 Builder based on silicate and a mineral product
09/21/1993US5246902 Synthetic microporous solids containing gallium and phosphorous, their synthesis and their use as catalysts and adsorbents
09/21/1993US5246899 Simplified preparation of hydrotalcite-type clays
09/21/1993US5246689 Synthetic porous crystalline material its synthesis and use
09/21/1993US5246688 Production of silica-based mfi zeolites
09/21/1993CA2092060A1 Silicate and mineral substance based building up agent
09/21/1993CA1322363C Method for the preparation of a catalyst for the ammoximation of carboxylic compound
09/16/1993WO1993017966A1 Molecular sieves containing indigo-based dyes
09/16/1993WO1993017965A1 Molecular sieves containing azo dyes
09/16/1993DE4207815A1 Hydrophobic aluminosilicate zeolite prodn. and stabilisation - by dealumination and then surface alumination with alkaline sodium aluminate soln., to increase stability without conversion to amorphous form
09/16/1993DE4207745A1 Azofarbstoffe enthaltende molekularsiebe Azo dyes containing molecular sieves
09/16/1993DE4207339A1 Molekularsiebe, enthaltend farbstoffe auf basis von indigo Molecular sieves containing dyes on the basis of indigo
09/15/1993EP0560545A1 Crystalline substituted stannosilicates and preparation and use thereof
09/14/1993US5244650 Large-pored molecular sieves with charged octahedral titanium and charged tetrahedral aluminum sites
09/08/1993EP0559060A1 Structure type Dodekasil 1 H chathrasil with small average crystal size
09/08/1993EP0559059A1 Low template clathrasile
09/08/1993EP0558887A1 Inorganic microporous particles and process for their preparation
09/08/1993CN1075934A Low-template clathrasil
09/08/1993CN1075933A Silicon cage with small average crystalline size and structure of dodecasilicon-1-h
09/07/1993US5242677 Dealumination, aluminum ion exchange
09/07/1993US5242675 Zeolite L
09/07/1993CA1322010C Inorganic, insoluble industrial raw material producible from waste and method for its production and use
09/03/1993CA2090547A1 Clathrasil of the dodecasil 1 h structural type having a small average crystal size
09/03/1993CA2090538A1 Low-template clathrasil
08/1993
08/31/1993US5240892 Producing m- and p-xylene, eliminating selectivity for ortho isomer; alkylation of benzene; by-product inhibition
08/31/1993US5240891 Discrete molecular sieve and use
08/24/1993US5238677 Process for the dealumination of mordenite
08/24/1993US5238676 Contacting with inorganic oxide of trivalent element to incorporate into crystalline material; dealkylation catalysts
08/24/1993US5238675 Replacement of aluminum by gallium in crystal framework yields fluidized cracking catalysts having increased activity
08/17/1993US5236683 Fillers for polymers and cosmetics
08/17/1993US5236680 Preparation of amorphous silica-alumina particles by acid-treating spherical P-type zeolite particles crystallized from a sodium aluminosilicate gel
08/17/1993US5236575 Synthetic porous crystalline mcm-49, its synthesis and use
08/17/1993CA1321386C Zsm-5 and its synthesis
08/17/1993CA1321385C Two stage synthesis of zeolites
08/11/1993EP0554922A2 Aluminosilicate zeolite consisting of a hexagonal polytype of faujasite
08/10/1993US5234872 Method for producing zeolites with reduced surface acidity
08/04/1993EP0553562A1 A process for the dealumination of zeolite beta
08/04/1993EP0553139A1 Synthetic clays
08/04/1993EP0553072A1 Synthetic porous crystalline material, its synthesis and use.
08/03/1993US5232794 Ionic conductors for solid oxide fuel cells
08/03/1993US5232675 Rare earth-containing high-silica zeolite having penta-sil type structure and process for the same
08/03/1993US5232579 Cracking hydrocarbon feed in the absence of added hydrogen to prdouct gasoline and olefins
08/01/1993CA2085701A1 A process for the dealumination of zeolite beta
07/1993
07/27/1993US5230790 Hydrocarbon conversion processes using modified zeolite Omega
07/22/1993WO1993014029A1 Process for producing finely-divided crystalline sodium aluminium silicates