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)
07/1993
07/22/1993WO1993014028A1 Process for producing amorphous sodium aluminium silicates
07/22/1993DE4201455A1 Verfahren zum herstellen von amorphen natriumaluminiumsilikaten A method for producing amorphous sodium aluminum silicates
07/21/1993EP0551688A1 A process for the preparation of crystalline molecular sieves
07/20/1993US5229341 Catalysts
07/14/1993EP0550917A1 Rare earth-containing high-silica zeolite having penta-sil structure and process for the same
07/14/1993EP0550874A1 Nanocrystalline materials
07/13/1993US5227151 Method of preparing silicoaluminophosphate compositions using a reagent containing both quaternary ammonium and silicon reactive sites in the same molecule
07/08/1993WO1993013013A1 Procedure for synthesis of crystalline microporous silico-alumino-phosphates
07/07/1993EP0549693A1 Process for producing bentonite clays exhibiting enhanced solution viscosity properties
07/06/1993US5225179 Method of making molecular sieves
06/1993
06/30/1993EP0548296A1 A method of preparing a pillared layered oxide material
06/29/1993US5223022 Using chabazite
06/24/1993DE4242828A1 Porous clay inclusion cpd. - comprises layers of laminar clay, inorganic supports and hydrogen ions in the pores formed by the supports, used as acid catalyst for cracking hydrocarbon(s)
06/23/1993EP0547368A1 Synthesis of zeolite beta using diethanolamine in the reaction mixture
06/23/1993EP0528873A4 Growing sodium type x zeolite crystals
06/23/1993CN1073411A Process for synthesizing zeolite-betafite by use of diethanolamine in reaction mixture
06/15/1993US5220101 Using molecular sieves having large uniform pores and organic functional groups bonded to the surface of the pores
06/15/1993US5219813 Process for the preparation of novel molecular sieves
06/15/1993US5219547 Hydrocarbon conversion catalyst
06/15/1993US5219546 Synthesis of crystalline mordenite-type material
06/15/1993CA1319140C Microporous crystalline composite compositions and processes for making them
06/02/1993EP0543898A1 Zinc-containing zeolite l.
06/02/1993EP0528896A4 Dehumidifier
06/01/1993US5215737 Synthesis of mesoporous aluminosilicate
06/01/1993US5215648 Hydrocarbon conversion processes using SSZ-31
05/1993
05/27/1993WO1993010044A1 Process of growing crystalline microporous solids in a fluoride-containing, substantially non-aqueous growth medium
05/26/1993EP0543065A1 High density leucite and/or pollucite based ceramics from zeolite
05/19/1993EP0541529A1 Magnetic materials and products made therefrom.
05/18/1993US5211935 Synthesis of crystalline mordenite-type material
05/18/1993US5211934 Synthesis of mesoporous aluminosilicate
05/13/1993WO1993008846A1 Contrast media
05/12/1993EP0541442A1 Process for the synthesis of a MTT-type zeolite, products obtained and use thereof in adsorption and catalysis
05/12/1993EP0539517A4 Crystalline molecular sieve composition
05/11/1993US5209918 Synthesis of crystalline ZSM-5-type material
05/05/1993EP0540075A1 Packaging material and use thereof
05/05/1993EP0539517A1 Crystalline molecular sieve composition.
05/04/1993CA1317271C Zeolite zk-5
05/04/1993CA1317270C Substitution of cr and/or sn in place of a1 in the framework of molecular sieve via treatment with fluoride salts
04/1993
04/29/1993WO1993008125A1 Nanometer-sized molecular sieve crystals or agglomerates and processes for their production
04/29/1993WO1993008124A1 Process for preparing uniform mfi-type zeolite crystals
04/29/1993CA2122049A1 Process for preparing uniform mfi-type zeolite crystals
04/28/1993EP0332686B1 Process for preparing metallic oxides
04/28/1993CN1020369C Cracking catalyst containing new-type high silicon y zeolite
04/27/1993US5206195 Soaking in buffered acid solution for prolonged time; exhibits no alkalinity in water dispersion
04/27/1993US5206005 Synthesis of ECR-1 using methyltriethanolammonium cations
04/27/1993CA1316892C Aqueous mineral dispersions
04/20/1993US5204076 Zeolites derivatized with sulfonic acids
04/20/1993CA1316522C Method of crystallizing a zeolite on the surface of a monolithic ceramic substrate
04/18/1993WO1993008613A1 Ionic conductors for solid oxide fuel cells
04/18/1993CA2097301A1 Ionic conductors for solid oxide fuel cells
04/15/1993WO1993006917A1 Microfiltration of zeolites
04/14/1993EP0536879A1 Simplified preparation of hydrotalcite-type clays
04/14/1993CN1020268C Producing method for rich silicon molecular sieve by crystal skeleton
04/13/1993US5202014 Crystalline aluminum silicate molecular sieves which may also contain oxides of gallium, iron, boron or germanium and are prepared using quaternary ammonium adamantane derivatives as templates
04/06/1993US5200377 Zeolite SSZ-28
04/06/1993US5200187 Structured, microporous oxides used in catalytic and sorption/ separation processes in the petroleum industry
04/06/1993US5200168 Process for the dealumination of zeolite Beta
04/06/1993US5200058 Catalytic conversion over modified synthetic mesoporous crystalline material
04/06/1993CA1315767C Process for the preparation of crystalline (metallo) silicates
04/01/1993WO1993006201A1 Washing or cleaning agent in liquid or paste form
03/1993
03/31/1993EP0534298A1 Liquid or pasty washing or cleaning composition
03/31/1993EP0534200A1 Process for the preparation of substantially alkali-free borosilicate crystals having zeolitic structure
03/31/1993EP0531364A4 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type
03/31/1993CN1070383A Method for preparation of potassium type L zeolite
03/30/1993US5198203 Synthetic mesoporous crystalline material
03/30/1993CA1315268C Process for the preparation of modified zeolites
03/30/1993CA1315267C Method for incorporating silicon atoms into the crystal lattice of a zeolite of the faujasite type
03/24/1993EP0533312A1 Method for functionalizing a synthetic mesoporous crystalline material
03/23/1993US5196633 Catalytic conversion
03/17/1993EP0531364A1 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type
03/17/1993EP0436713B1 Synthesis of faujasitic structure gallosilicate zeolites
03/16/1993US5194410 Crystallization of a mixture of silica, alkali or alkaline earth metal and quaternary ammonium organosiliconate and recovering a product
03/16/1993US5194235 Synthesis of SSZ-16 zeolite catalyst
03/16/1993CA1314533C Process for the preparation of modified zeolites
03/09/1993US5192727 Process for modifying the pore system of zeolite LZ-202
03/09/1993US5192522 Zeolite LZ-277 and process for preparing same
03/09/1993US5192521 Synthesis of crystalline silicate ZSM-12
03/09/1993US5192520 Synthesis of aluminosilicate zeolites of faujasite structure
03/09/1993US5192519 Dehydrosulfurization catalyst with amine or alkylammonium groups
03/03/1993EP0530104A1 Method for synthesis of zeolites having an aluminosilicic framwork belonging to the structural group of faujasite, products obtained and their use in adsorption and catalysis
03/03/1993EP0530103A1 Method for synthesis of zeolites having an aluminosilicio framework belonging to the structural group of faujasite, products obtained and their use in adsorption and catalysis
03/03/1993EP0528929A1 Zeolites.
03/03/1993EP0528896A1 Dehumidifier
03/03/1993EP0528873A1 Growing sodium type x zeolite crystals
03/02/1993US5190736 Crystallization of metal oxide with 1,4-diaminocyclohexane and their use as catalysts for hydrocarbon conversion
02/1993
02/16/1993US5187132 Preparation of borosilicate zeolites
02/16/1993US5186814 Hydrocarbon conversion processes using crystalline microporous zinc phosphate compositions
02/09/1993US5185307 Impregnation with sludge of hydrophobic zeolite and inorganic binder; sintering; stiff, porous structure
02/09/1993US5185138 For dehydrocylization of C6-C8 paraffins
02/09/1993US5185136 Trivalent transition-metal-aluminosilicate hydrocarbon conversion catalysts having mazzite-like structures, ECR-23-T (C-2491)
02/04/1993WO1993002171A1 Method of stabilizing aqueous suspensions of zeolites
02/04/1993WO1993002158A1 Demetallation of hydrocarbon feedstocks with a synthetic mesoporous crystalline material
02/04/1993WO1993002013A1 Synthetic porous crystalline material, its synthesis and use
02/03/1993EP0526252A1 Zeolite-type material
02/03/1993EP0525272A1 Procedure and device for obtaining zeolite 4A
02/02/1993US5183650 Mixing metal hydroxide or a metal salt, a metal aluminate, colloidal silica in a aqueous solution containg water soluble polymer, stirring to form a cake, allowing cake to mature followed by heating
02/02/1993US5183561 Upgrading, hydrotreating, desulfurization, denitrification
02/02/1993CA2075166A1 Zeolite-type material
01/1993
01/28/1993DE4124247A1 Verfahren zur stabilisierung von waessrigen zeolith-suspensionen A process for stabilizing aqueous zeolite suspensions
01/26/1993US5182090 Reaction of two quaternary ammonium compounds and added aluminum compound