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)
07/2002
07/25/2002US20020098147 Calcining a M-gmelinite having a quaternary ammonium template, therby transforming M-gmelinite to M-AFI zeolite, where M is selected from sodium, lithium, calcium, barium and magnesium
07/25/2002CA2434769A1 Mesostructured catalyst incorporating particles of nanometric dimensions
07/24/2002EP0888188B1 Crystalline metallophosphates
07/24/2002CN1359852A Process for synthesizing Y-type molecular sieve from stellerite
07/24/2002CN1359851A Gas-solid phase isomorphous replacement process for preparing Ti-Si zeolite
07/24/2002CN1087976C Mordenite catalyst for preparing methylamines, its preparation method and use thereof
07/23/2002US6423295 Calcining a mgmelinite that has a quaternary ammonium template to remove the quaternary ammonium template
07/23/2002US6423121 Heating under vacuum; using zeolite type x
07/18/2002DE10142899A1 Synthesis of sodium A zeolite, useful e.g. in laundry detergent, involves dissolving valuable minerals in clay with hot aqueous sodium hydroxide solution, immediate quenching or dilution, filtration and stirring to precipitate product
07/17/2002EP1223147A1 Process for the preparation of zeolites A for use in formulations containing two components polyurethane resins
07/17/2002EP1091907B1 Molecular sieve cit-6
07/17/2002CN1359359A Alkylaromatics production
07/16/2002US6419895 Crystalline aluminosilicate zeolitic composition: UZM-4
07/16/2002US6419894 Process for preparing zeolites having MEL structure using 2,2-diethoxyethyltrimethylammonium structure directing agent
07/16/2002US6419819 Synthetic porous crystalline MCM-67, its synthesis and use
07/11/2002WO2002053498A2 Fine zeolite particle
07/11/2002US20020090337 Synthesis of zeolites
07/11/2002CA2366042A1 Process for preparing zeolite a for use in two-component polyurethane resin-based formulations
07/09/2002US6416732 Method of forming aluminosilicate zeolites
07/09/2002US6416660 Catalytic composition for the upgrading of hydrocarbons having boiling temperatures within the naphtha range
07/09/2002US6416569 Temperature swing adsorption process
07/04/2002WO2002051751A2 Method of removing structure directing agents from molecular sieves
07/04/2002US20020085976 Process for preparing zeolites
07/03/2002CN1356265A Process for preparing shape-controllable big-pore mesoporous molecular sieve
07/02/2002US6413902 Aging, crystallization
07/02/2002US6413493 Sodium aluminate is mixed with sodium silicate in the presence of a slurry of p zeolite to form a gel, aging the gel, stirring to maintain in suspension, separating the product, washing and drying
07/02/2002US6413492 Using silicon and aluminum compounds under alkaline ph
06/2002
06/27/2002WO2002049962A1 A process for the manufacture of zeolite-a useful as a detergent builder
06/27/2002US20020081262 Process for preparing zeolites using pyrrolidinium cations
06/26/2002EP1216961A2 Method for the separation of zeolites
06/26/2002EP1216960A2 Synthesis of aluminium rich afi zeolite
06/26/2002EP1216959A2 Stabilization of molecular sieves by salt addition
06/26/2002CN1355137A Process for synthesizing A-type molecular sieve from stellerite
06/26/2002CN1355136A Nano molecular sieve layer material
06/26/2002CN1355135A Process for preparing mesoporous SiO2 microparticles material
06/25/2002US6409986 Zeolite ITQ-5
06/25/2002US6409911 High silica/alumina ratio and a beneficial silicon atom distribution; fluid catalytic cracking; low cost supply of light olefins, particularly propylene for polypropylene
06/25/2002US6409800 Purification a gas and removing a nitrogen oxide and low molecular weight hydrocarbon
06/20/2002WO2002048040A2 Macroscopic aggregates of microcrystalline zeolites for static water softening applications
06/20/2002WO2002048025A2 Lamellar pressed body
06/20/2002US20020077245 As ion exchangers
06/20/2002US20020076376 Synthesis of aluminum rich afi zeolite
06/20/2002US20020076374 Process for producing p zeolite
06/20/2002US20020074263 Catalyst containing microporous zeolite in mesoporous support and method for making same
06/19/2002EP1215172A1 Method and apparatus for producing zeolite
06/19/2002EP1214272A1 Inorganic oxides with mesoporosity or combined meso-and microporosity and process for the preparation thereof
06/19/2002CN1354729A Heat treating molecular sieve and catalyst
06/19/2002CN1354134A Method for synthesizing small-grain Y-type molecular sieve
06/19/2002CN1354133A Method for preparing small-grain Y-type molecular sieve
06/19/2002CN1354132A Method for synthesizing small-grain A-type molecular sieve
06/19/2002CA2365477A1 Synthesis of aluminum rich afi zeiolite
06/19/2002CA2365465A1 Stabilization of molecular sieves by salt addition
06/18/2002US6407025 Ion exchanging
06/13/2002WO2002046099A1 Crystalline molecular sieves
06/13/2002WO2002026617A3 Process for extracting and purifying naturally occurring zeolite
06/13/2002WO2002007873A3 Multiautoclave with liner for combinatorial synthesis of zeolites and other materials
06/13/2002US20020072468 Method of manufacture of molecular sieves
06/13/2002DE10065946A1 Plättchenförmige Presskörper Platelet-shaped compacts
06/12/2002CN1353087A Process for preparing ZSM-5 molecular sieve
06/12/2002CN1353086A Process for preparing Y-type molecular sieve
06/12/2002CN1353011A Molecular sieve containing zinc and its synthesis
06/12/2002CN1353010A Molecular sieve containing heteroatoms and its synthesis
06/05/2002EP1211224A1 Microporous acidic oxide with catalytic properties itq-18
06/05/2002EP1107931B1 Method for producing a titanium silicate with rut structure
06/05/2002CN1351960A Aluminium silkicon phosphate molecular sieve and its preparing method
06/05/2002CN1351959A Process for synthesizing beta molecular sieve
05/2002
05/30/2002WO2002042208A1 Crystalline molecular sieve composition mcm-65, its synthesis and use
05/30/2002WO2002042207A2 Synthetic porous crystalline mcm-71, its synthesis and use
05/30/2002WO2002041991A2 HYDROTHERMALLY STABLE METAL PROMOTED ZEOLITE BETA FOR NOx REDUCTION
05/30/2002CA2439439A1 Crystalline molecular sieve composition mcm-65, its synthesis and use
05/30/2002CA2428139A1 Hydrothermally stable metal promoted zeolite beta for nox reduction
05/29/2002DE10056362A1 Synthese und Stabilisierung von nanoskaligen Zeolithteilchen Synthesis and stabilization of nanoscale zeolite
05/29/2002CN1351519A Alpha-pinene oxidation
05/29/2002CN1350981A High-silicon beta zeolite and its preparing process
05/29/2002CN1350980A Mesoporous aluminium silicophosphate molecular sieve and its preparing process
05/29/2002CN1085619C Production of aluminosilicates
05/28/2002US6395674 Pore size catalyst
05/28/2002US6395070 Methods for removal of impurity metals from gases using low metal zeolites
05/23/2002WO2002040411A1 A remediation method of contaminated materials by using zeolite anchored nanoscale iron containing reactive wall
05/23/2002WO2002040403A1 Synthesis and stabilisation of nanoscale zeolite particles
05/22/2002EP1206317A1 Zeolite bound catalyst containing at least three different zeolites; use for hydrocarbon conversion
05/22/2002CN1349929A Mesoporous molecular sieve material with strong acidity and high hydrothermal stability and its prepn
05/21/2002US6391278 Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation
05/16/2002US20020056662 Catalytic cracking of hydrocarbon feeds with metal aluminosilicate catalysts
05/15/2002EP1204592A1 Zeolite ssz-52
05/15/2002CN1348922A Mordenite contg. fluorine, and its prepn. method
05/15/2002CN1348921A Prepn of metal-base nano zeolite net
05/15/2002CN1348920A Prepn of silica with great specific surface area
05/15/2002CN1084711C Method for synthesizing zeolite molecular sieve using minerals as raw material
05/14/2002US6388159 Xylene isomerization process using UZM-5 and UZM-6 zeolites
05/14/2002US6388157 Aromatic alkylation process using UZM-5 and UZM-6 aluminosilicates
05/10/2002WO2002036494A1 Transition metal oxide compositions
05/10/2002WO2002036491A1 Crystalline aluminosilicate zeolitic composition: uzm-4 and processes using the composition
05/10/2002WO2002036489A1 Uzm-5, uzm-5p and uzm-6; crystalline aluminosilicate zeolites and processes using the same
05/10/2002WO2002036340A1 A zeolite-substrate composite comprising a patterned zeolite layer on a substrate and preparation thereof
05/10/2002CA2427555A1 Uzm-5, uzm-5p and uzm-6; crystalline aluminosilicate zeolites and processes using the same
05/09/2002US20020055433 Heating to remove a portion of the template, cooling to leave an amount of template effective to cover catalytic sites within the molecular sieve
05/08/2002EP1203615A1 Continuous process and apparatus for preparing inorganic materials employing microwave
05/08/2002CN1347846A Method of utilizing beta-zeolite synthesizing mother liquid to synthesize mordenite
05/08/2002CN1347845A Mesoporous silica molecular sieve with large 3D cubic hole hollow structure and its synthesis process
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