Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 39 - Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
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)
11/1989
11/02/1989EP0339026A1 Process for the preparation of a modified zeolite y
10/1989
10/24/1989US4876412 Catalysis of methanol to hydrocarbons; calcined hydrate
10/19/1989WO1989009749A1 Synthesis of a crystalline molecular sieve
10/19/1989WO1989009748A1 Synthesis of a crystalline molecular sieve
10/19/1989WO1989009642A1 Matrix membrane
10/18/1989EP0337835A1 Zeolites based on silica and germanium oxide and process for their synthesis
10/18/1989EP0337479A2 Method for preparation of zeolites
10/18/1989EP0166764B1 Hydrophobic, crystalline, microporous silaceous materials of regular geometry
10/18/1989CN1036376A Crystalline aluminumphosphate compositions
10/17/1989US4874730 Treatment with metal salt solution, calcination
10/17/1989US4874729 Process for the preparation of modified zeolites
10/10/1989US4873067 Zeolite ZSM-57
10/05/1989WO1989009185A1 New zeolite ssz-26
10/04/1989EP0335067A1 Process for the production of Tetrapropylammonium bromide
10/03/1989US4871701 Hydrotreatment of silicondioxide with water amine and/or tetraalkylammonium compound
10/03/1989CA1262120A1 Massive bodies of maximum aluminum x-type zeolite
09/1989
09/27/1989EP0334562A1 Process for the dispersion of group VIII metals in large pore zeolite catalysts
09/27/1989EP0333816A1 Crystalline aluminumphosphate compositions
09/26/1989US4869805 Hydrocarbon conversion
09/26/1989CA1261811A1 Method for the synthesis of zeolites
09/26/1989CA1261809A1 Synthetic crystalline zeolite its preparation and its uses
09/26/1989CA1261313A1 ZEOLITE .beta. PREPARATION
09/26/1989CA1260920A1 Crystalline magnesia-silica composites and process for producing same
09/26/1989CA1260910A1 Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine
09/21/1989WO1989008608A1 Synthetic crystalline molecular sieve and its synthesis
09/20/1989EP0333283A2 Crystalline silicon-rich (metallo) silicates of the sodalite type and process for preparing such (metallo)silicates
09/20/1989EP0332686A1 Process for preparing metallic oxides
09/19/1989CA1259599A1 Crystalline zeolite composition (ecr-5) having a cancrinite-like structure and process for its preparation
09/13/1989EP0332513A1 Stable aqueous silico-aluminate suspension
09/06/1989EP0330855A2 Process for the modification of a zeolite
08/1989
08/29/1989US4861937 Catalysts for converting alcohols and/or aliphatic ether to unsaturated hydrocarbons and process for their production
08/29/1989US4861739 Microporous crystalline composite compositions
08/29/1989US4861571 Process for preparation of synthetic mordenite molded body
08/29/1989US4861570 Novel silicate
08/29/1989CA1258874A1 Process for the resolution of a racemate
08/22/1989US4859648 Layered metal chalcogenides containing interspathic polymeric chalcogenides
08/22/1989US4859442 Zeolite SSZ-23
08/16/1989EP0327764A1 Zeolite catalysts suitable for hydrocarbon conversion
08/16/1989EP0327735A1 Process for modification of a molecular sieve
08/16/1989EP0327734A1 Gas separation
08/15/1989US4857288 Uniform pore diameters
08/09/1989EP0327189A2 Preparation and use of gallosilicate aromatisation catalysts
08/09/1989EP0327147A1 Garnet and methods of preparing a garnet
08/09/1989EP0326759A1 Method of increasing the Ion Exchange Capacity of a Titanosilicate
08/08/1989US4855270 Boronaaronate molecular sieve
08/02/1989EP0325906A1 Silica-bonded zeolite X granulate and its use in oxygen enrichment
08/01/1989US4853203 Ferrierites; their process of manufacture
08/01/1989US4853202 Large-pored crystalline titanium molecular sieve zeolites
08/01/1989CA1258058A1 Catalytic cracking catalysts for high octane gasoline products
07/1989
07/26/1989EP0325487A1 Production of zeolitic catalyst
07/26/1989EP0325465A2 Zeolite l preparation
07/26/1989EP0325053A1 Noble metal-containing titanosilicates having the structure of zeolite beta and their use as aromatization catalysts
07/25/1989US4851605 Process for synthesizing a zeolite catalyst on a pH controlled sodium free basis
07/25/1989US4851451 Using a group 2b and 6 metals-containing aluminum silicate; catalyst selectivity; low concentration of durene in fuel product
07/25/1989US4851200 Method for removing organic residue from as-synthesized zeolites
07/18/1989US4849394 Process for preparing a silica-magnesia cogel catalyst
07/18/1989US4849194 Measurement and control of zeolite synthesis
07/13/1989WO1989006156A1 Molecular sieve arrangement
07/12/1989EP0323893A2 Zeolite L
07/12/1989EP0323892A2 Zeolite L
07/11/1989US4847224 Hydrorefining catalysts
07/11/1989US4847055 Process for ZSM-11 production
07/11/1989CA1257247A1 Synthesis of molecular sieving metallosilicates using silica-transition metal oxide sols
07/11/1989CA1257054A1 Flocced mineral materials and water-resistant articles materials made therefrom
06/1989
06/29/1989WO1989005775A1 Crystalline molecular sieve
06/27/1989US4842836 Zeolite LZ-133
06/21/1989EP0321177A2 Substitution of Cr and/or Sn in place of A1 in the framework of molecular sieve via treatment with fluoride salts
06/20/1989US4840930 Method for preparing acid stable zeolites and high silica zeolites prepared by it
06/20/1989US4840780 ZSM-51, method of preparing same and catalytic conversion therewith
06/20/1989US4840779 Crystalline zeolite LZ-202 and process for preparing same
06/20/1989CA1256122A1 Process for the preparation of an aromatic hydrocarbon mixture
06/20/1989CA1256087A1 Non catalytic solid mullite/crystalline silica material and use thereof
06/20/1989CA1256086A1 Binary ion exchanged type x zeolite adsorbent
06/14/1989EP0320114A1 Faujasite-type zeolite and process for making it
06/14/1989EP0319538A1 Modification of zeolites
06/13/1989US4839173 Magnesium hydroxide incorporated in sheet-silicate clay; sustained release, antacids
06/13/1989CA1255645A1 Synthesis of large crystal zeolite zsm-5
06/07/1989EP0230452B1 Crystalline zeolite lz-202 and process for preparing same
06/06/1989US4837000 Crystalline silicates and process for the production thereof
06/06/1989US4836996 Mixing aqueous mixture comprising sodium oxide, silicon oxide, aluminum oxide and alkylated polymethylenediamine; roasting
06/06/1989US4836911 Modified silicon/aluminum crystal structure
06/06/1989CA1255284A1 Zeolite catalyst composition having improved stability
05/1989
05/31/1989EP0318219A2 Aluminosilicates
05/31/1989CN1004358B Watery suspending liquid containing stable water-insoluble silicate
05/30/1989US4834961 Aluminosilicate zeolite having an offretite structure
05/30/1989US4834958 Zeolite SSZ-24
05/30/1989CA1254873A1 Titanium-aluminum-silicon-oxide molecular sieve compositions
05/23/1989US4832927 Crystallization, zeolites
05/18/1989WO1989004360A1 Zeolites in liquid detergent compositions
05/16/1989CA1254189A1 Titanium-silicate compositions
05/16/1989CA1254188A1 Titanium-aluminum-silicon-oxide molecular sieve compositions
05/16/1989CA1254162A1 Method for dewaxing hydrocarbon oil
05/10/1989EP0315461A2 High silica zeolite ECR-30 and process for preparing it
05/10/1989EP0315282A1 Zeolites in liquid detergent compositions
05/10/1989CN1032809A Hydrocracking catalysts and processes employing non-zeolitic molecular sieves
05/09/1989US4828812 Treating with aqueous base
05/09/1989CA1253838A1 Synthesis of a crystalline silicoaluminophosphate
05/09/1989CA1253837A1 Layered oxides containing interlayer polymeric oxides and their synthesis
05/03/1989EP0314582A1 Method of hydroxylating phenols and phenol ethers
05/03/1989EP0314336A2 Method of crystallizing a zeolite on the surface of a monolithic ceramic substrate
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