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)
11/1999
11/18/1999WO1999046031A9 Decarbonating gas streams using zeolite adsorbents
11/17/1999EP0956264A1 Zeolite ssz-48
11/17/1999EP0842117A4 Large crystal zsm-5, its synthesis and use
11/17/1999EP0779877B1 Zeolites and processes for their manufacture
11/17/1999CN1046488C Preparation of fine-grain NaY zeolite
11/17/1999CN1046487C Preparation of beta zeolite
11/16/1999US5985238 Improved olefin skeletal isomerization catalyst, high silica to alumina ratio, high surface area and high purity
11/11/1999WO1999057172A1 Polymerisation
11/10/1999CN1234782A Method for producing LSX zeolite granular agglomerates with low inert binding material ratio
11/09/1999US5980859 Modified zeolite beta processes for preparation
11/03/1999EP0952962A1 Zeolite ssz-47
11/03/1999CN1234012A IM-5 zeolite, method of prpen. and catalytic application thereof
11/03/1999CN1233588A Method for prepn. of super macroporous molecular sieve
11/03/1999CN1233587A Super macroporous molecular sieve modifying method
11/03/1999CN1046120C Alumino-silicate derivatives
11/02/1999US5977009 Epoxidation of olefins
11/02/1999US5976491 Synthesis of and composition of ECR-40, large pore aluminophosphate
10/1999
10/27/1999EP0951445A1 A process for preparing zeolites using substituted-piperidinium cations
10/27/1999EP0951444A1 Synthesis of large crystal zeolites
10/27/1999EP0951443A1 Hydrocarbon conversion using large crystal zeolite catalyst
10/26/1999US5972204 Phosphorous-containing zeolite with structural type CON, its preparation and its use for catalytic cracking
10/21/1999WO1999046782A3 Ferromagnetic particles
10/20/1999EP0950650A2 Process for the preparation of 2,6 dimethylnaphthalene
10/20/1999EP0950019A1 Zeolite ssz-45
10/20/1999EP0871586B1 Molecular sieves and process for their manufacture
10/20/1999EP0724543B1 Synthetic porous crystalline mcm-58, its synthesis and use
10/20/1999CN1045760C Method for treatment of potash feldspar, and use of obtained matter
10/19/1999US5968475 Catalyst of silicon with aluminum, iron, gallium and boron
10/19/1999US5968474 Pure phase titanium-containing zeolite having MEL structure, process for preparing same, and oxidation processes using same as catalyst
10/19/1999US5968473 Three-dimensional framework of silica, titania, germania, and tin oxide; selective oxidation catalysts
10/19/1999US5968341 Activated silica enriched mazzite, production method and application thereof
10/19/1999US5968242 Colourant-loaded molecular sieve
10/12/1999US5965476 Silica/zeolite composite materials in spherical form and process for their preparation
10/12/1999US5965105 Grinding and mixing flyash with caustic soda, sodium aluminate or aluminum hydroxide; heating; cooling, milling, and mixing fused mass with water; adding alum solutin or sodium aluminate; hydrothermal crystallization; washing crystals
10/12/1999US5965104 Preparing the zeolite using a substituted piperidinium or decahydroquinolinium cation as template with a tetravalent metal oxide and oxide of a different tetravalent metal, trivalent and/or pentavalent metal; hydrorefining catalysts
10/07/1999WO1999049964A1 Shaped body of zeolite, a process for its production and its use
10/06/1999EP0946416A1 Im-5 zeolite, method of preparation and catalytic applications thereof
10/06/1999EP0946415A1 Preparation of y zeolite
10/06/1999CN1230518A Synthesis of high-silicon mordenite
10/06/1999CN1230466A Preparation of molecular sieve
10/06/1999CN1045424C Method for synthetizing ultramacropore molecular sieve
10/05/1999US5962358 Binder-free molecular sieve zeolite granules which contain zeolites of the type lithium zeolite A and lithium zeolite X
10/05/1999US5961951 Source of silica, a source of trivalent metal oxide, an alkali metal oxide, ethylenediamine and water.
10/05/1999US5961943 Regularly-shaped aluminosilicate and its use
09/1999
09/28/1999US5958817 Zeolite is treated with a combined essentially stoichiometric and excess solution of desirable weakly held and strongly held cations so that the resultant zeolite has the required mixed cation composition, while consuming smaller amounts of weakly
09/28/1999US5958370 Zeolite SSZ-39
09/28/1999US5958369 Mixing silicon alkoxide and titanium alkoxide, adding liquid containing water and alkylamine with stirring to hydrolyze and form gel, drying, calcining
09/28/1999US5958368 Noncrystalline mesoporous molecular sieve substance and method for preparing the same
09/28/1999US5958366 Synthesis of large crystal zeolites
09/22/1999EP0740684B1 Deodorized thermoplastics
09/21/1999US5955534 Process for the preparation of polymer polyol dispersions
09/21/1999US5954946 Hydrocarbon conversion catalysts
09/16/1999WO1999046782A2 Ferromagnetic particles
09/16/1999WO1999046031A1 Decarbonating gas streams using zeolite adsorbents
09/14/1999US5951963 Phosphorous containing zeolite having MFI type structure
09/14/1999CA2011038C Amorphous silica-alumina spherical particles and process for preparation thereof
09/10/1999WO1999044420A1 Production of semiochemical emitters having a controlled emission speed which are based on inorganic molecular sieves
09/10/1999CA2322816A1 Production of semiochemical emitters having a controlled emission speed which are based on inorganic molecular sieves
09/09/1999DE19908452A1 Reinforcing material and use in rubbers or synthetic resins to give properties equivalent to existing reinforcing materials
09/08/1999EP0940178A1 Aromatic alkylation with a catalyst containing a surface-modified zeolite beta
09/08/1999EP0939673A1 Dealuminised nu-86 zeolite and its use in the conversion of hydrocarbons
09/08/1999EP0830315B1 Process for preparing ferrierite
09/08/1999EP0801027B1 Rare earth-zsm-5/zsm-11 cocrystalline zeolite
09/08/1999EP0739308B1 Process for the manufacture of a zeolite
09/08/1999CN1227770A Aromatic alkylation with catalyst containing improved zeolite beta
09/07/1999US5948383 Complexing with calcium oxide
09/02/1999CA2230772A1 Aromatic alkylation with a catalyst containing an improved zeolite beta
09/01/1999EP0690744B1 Membrane
09/01/1999CN1227532A Method of zeolite synthesis with homogeneous shaking out of the medium, device and application
09/01/1999CN1044868C C8 arene isomerization catalyst and its preparation method
08/1999
08/31/1999US5944933 Controlling moisture
08/25/1999EP0937683A1 Catalyst comprising anNU-88 zeolite,an element of the group VB and its use for the hydroconversion of hydrocarbon feedstocks
08/25/1999EP0937499A1 Catalyst containing NU-88 zeolite and its use in hydroconversion of petroleum feedstocks
08/25/1999CN1226875A Preparation of Y-type faujasite using organic template
08/25/1999CN1226874A Preparation of Y zeolite
08/24/1999US5942208 Stabilizing the hydrothermal reaction of zeolite mcm-41 by mixing alkyltrimethylammonium surfactant; subjecting to hydrothermal reaction; mixing organic or inorganic water-soluble salts; hydrothermal reaction; calcining
08/24/1999US5942207 Heating sodium hydroxide, sodium silicate and water; adding more silicate; adding aluminum hydroxide; crystallization to form a silica-enriched molecular seive having rapid and high capacity to complex calcium and magnesium ions; brightness
08/24/1999CA2154094C Deodorant cosmetic composition superior in resistance to discoloration and dispersion
08/19/1999WO1999041191A1 Process for synthesizing a zeolite from combustion residues
08/18/1999EP0935996A2 A composition of matter, comprising an inorganic porous material and a method for preparing the same
08/17/1999US5939044 Zeolite SSZ-36
08/17/1999CA2003351C Method of preparing heteropolyacid catalysts
08/12/1999WO1999040026A1 Synthesis of large pore zeolites and zeotypes
08/12/1999CA2286010A1 Synthesis of large pore zeolites and zeotypes
08/11/1999CN1225335A Method for synthesizing zeolite molecular sieve using minerals as raw material
08/10/1999US5935551 Ion exchanging with alkaline earth compound
08/10/1999US5935440 Depositing film of crystalline zeolite material on a porous support and contacting membrane with silicic acid or mixture of silicic acids
08/04/1999EP0932581A1 Method for obtaining lsx zeolite granular agglomerates with low inert binding material ratio
07/1999
07/29/1999WO1999037705A1 Block polymer processing for mesostructured inorganic oxide materials
07/27/1999US5928623 Use of a reactor stirred by a system of the archimedean screw type for the synthesis of LSX faujasite
07/20/1999US5925329 Zeolites and process for preparation thereof
07/15/1999WO1999035087A1 Synthesis of zsm-48
07/15/1999WO1999034901A1 Catalyst based on ferrierite/iron for catalytic reduction of nitrous oxide content in gases, method for obtaining same and application
07/13/1999CA2066659C Zeolite aggregates and catalysts
07/07/1999CN1222134A Two-step process for alkylation of benzene to form linear alkylbenzenes
07/06/1999US5919722 Zeolite L catalyst
07/06/1999US5919721 Microfiltration of zeolites
07/06/1999US5919430 Hydrothermal reaction of a silicon and metal source in the presence of a template.
07/06/1999US5919287 Ion exchanging
07/01/1999WO1999032405A1 Zeolithe itq-5
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