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)
07/2004
07/06/2004US6759360 Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins
06/2004
06/30/2004CN1155519C SAPO-11 molecualr sieve and its preparing method
06/30/2004CN1155518C Process for preparing mesoporous molecular sieve MCM-48 by using mixture of cationic surfactant and non-ionic surfactant as template agent
06/30/2004CN1155517C Synthesis of zeolite with flyash
06/30/2004CN1155440C Method for preparing EUO type structural zeolite and its use as catalyst
06/29/2004US6756030 Containing one or more noncyclic organoammonium cations; heat resistant; stable; catalysts; ion exchange resins
06/29/2004US6756029 Molecular sieves of faujasite structure
06/24/2004US20040121900 thermally treating the precursor mixture of a silicon source and an aluminum source, at least one of these sources being doped with a rare earth metal or a transition metal of Groups Vb-VIIIb, Ib, or IIb
06/24/2004US20040120873 formed by presteaming an aluminosilicate zeolite at 600-800 degrees C. for 0.25 to 8 hours, said presteaming not providing significant dealumination of said aluminosilicate zeolite, subsequently metal to said presteamed zeolite.
06/23/2004CN1506309A Process of preparing zeolite molecular sieve with high activity and high stability
06/23/2004CN1506308A Process of preparing hollow zeolite microsphere
06/22/2004US6752980 UZM-16: a crystalline aluminosilicate zeolitic material
06/22/2004CA2126575C Procedure for synthesis of crystalline microporous silico-alumino-phosphates
06/17/2004WO2004050555A1 Process for the preparation of nanocrystalline zeolite beta
06/17/2004WO2004050548A2 High surface area zeolites and methods for preparation and use thereof
06/17/2004US20040116275 Porous functional layer made of zeolitic particles is provided; liquid is applied to functional layer containing precursors suitable for forming zeolite; heating and pressurization in order to form a closed a molecular screening layer
06/16/2004EP1428572A1 Zeolite laminated composite and zeolite membrane reactor using the same
06/16/2004EP1428568A1 Laminated zeolite composite and method for preparation thereof
06/16/2004CN1504410A Process for synthesizing ZSM-5 molecular sieve
06/16/2004CN1504409A ZSM-35/MCM-22 cocrystallization molecular sieve and preparation method thereof
06/16/2004CN1153619C High strength and high surface area catalyst, catalyst carrier or adsorbent compositions
06/10/2004WO2004047960A1 Method for preparation and activation of multimetallic zeolite catalysts, a catalyst composition and application for n2o abatement
06/08/2004US6746660 Anionic surfactant to precipitate the inorganic components
06/08/2004US6746659 Zeolites
06/03/2004WO2004046034A1 High activity small crystal zsm-12
06/03/2004US20040106511 Zeolite ssz-53 for reduction of nitrogen in a gas stream
06/03/2004US20040105986 excels in dielectric properties, adhesion, film consistency, mechanical strength, easily thinned; made from an amorphous polymer made by hydrolyzing and condensing an silane compoundl, and and a zeolite sol made with a quaternary ammonium hydroxide
06/03/2004US20040105814 enhanced activity for nitration of o-xylene to produce 4-nitro o-xylene with higher selectivity.
06/02/2004CN1501887A Improved zeolites and molecular sieves and the use thereof
06/02/2004CN1501454A Composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device
06/02/2004CN1500730A Method for synthesizing porous material mordenite membrane
06/02/2004CN1500729A Method for preparing vanadium silicon molecular sieves
06/02/2004CN1500728A Process for preparing titanium silicon molecular sieves
06/02/2004CN1500727A Method for synthesizing MCM-49 molecular sieves
06/02/2004CN1500726A Method for preparing MCM-49 molecular sieves
06/02/2004CN1500725A Method for synthesizing MCM-56 molecular sieves
06/02/2004CN1500724A Method for preparing MCM-56 molecular sieves
06/02/2004CN1500723A Method for synthesizing MCM-22 molecular sieves
06/02/2004CN1500722A Method for preparing MCM-22 molecular sieves
06/02/2004CN1152156C Method for preparing zeolite fibre by electrophoretic deposition
06/02/2004CN1151964C Process for preparing modified zeolite
06/02/2004CN1151868C Laminated pressed articles
05/2004
05/27/2004US20040101476 Method and device for manufacturing zeolite from ashes resulting from the incineration of combustible waste
05/27/2004US20040101475 Crystalline molecular sieves
05/26/2004CN1500004A Process for prodn. of titanium-contg. silicon oxide catalysts
05/26/2004CN1151067C process for preparing cubic mesoporous Si-Al molecular sieve with strong acidic site
05/25/2004US6740764 Oxide and method for production thereof
05/25/2004US6740228 Use of the zeotlite kl impregnated with platinum catalyst results in a significant increase in the aromatic content of the product, minimal cracking of the light naphtha and a consequent improvement in the available octane and hydrogen
05/21/2004WO2004041722A2 Method of making aluminum-containing zeolite with ifr structure
05/21/2004WO2004041713A2 Zeolite ssz-54
05/20/2004US20040097363 A porous, crystalline material with the framework structure of ZSM-12 ; used in catalytic processes, particularly in the conversion of C9+ aromatic hydrocarbons to xylenes
05/19/2004EP1419105A1 Zeolite ssz-60
05/19/2004CN1150061C Method for preparing zeolite catalyst
05/13/2004WO2004040061A1 Stabilised aluminosilicate slurries
05/13/2004WO2004039726A1 Mesoporous structures having high catalytic activity in acid catalysis reactions and preparation method thereof
05/13/2004WO2004039725A2 'crystalline aluminosilicate zeolitic composition: uzm-4m'
05/13/2004US20040092386 Process for the preparation of doped pentasil-type zeolite using doped seeds
05/13/2004US20040091420 Process for the preparation of doped pentasil-type zeolites using doped faujasite seeds
05/13/2004US20040091419 Zeolite sol and method for preparing the same, composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device
05/13/2004US20040089587 Synthesis of zeolite ITQ-16 in an alkaline medium
05/13/2004CA2502096A1 Stabilised aluminosilicate slurries
05/13/2004CA2483926A1 Crystalline aluminosilicate zeolitic composition: uzm-4m
05/12/2004EP1418162A2 Process for the preparation of 2,6 dimethylnaphthalene
05/12/2004EP1265814B1 Process for manufacture of zeolites and zeolite mixtures having enhanced cation exchange properties, products produced thereby, and detergent compositions formulated therewith
05/12/2004EP1163041A4 Methods for removal of water from gases using superheated zeolites
05/12/2004CN1149125C Molecular sieve adsorbent for gas purfication and preparation thereof
05/11/2004US6734323 Mixing suspension resulting from synthesis of zeolite with an oligomeric silica sol obtained from the hydrolysis of a tetra-alkyl ortho silicate in the presence of a tetra-alkylammonium hydroxide, rapid spray drying
05/11/2004US6733742 Molecular sieve SSZ-63 composition of matter and synthesis thereof
05/11/2004US6733658 EU-1 zeolite catalyst and a process for the reduction of the pour point of feeds containing paraffins
05/06/2004US20040087433 Aqueous suspension and solution thickeners and stabilizers; low ignition loss, swellability, drying sensitivity and water demand; enamel coatings and glazes
05/06/2004EP1105213B1 Molecular sieve adsorbent for gas purification and preparation thereof
05/05/2004CN1148319C Prepn. of zeolite L
05/05/2004CN1148318C Method for preparing high whiteness 4 angstrom molecular sieve by using common kaolinite as raw material
04/2004
04/29/2004US20040082466 Method of synthesizing molecular sieves
04/28/2004EP1413553A1 Synthesis of itq-17 in the absence of fluoride ions
04/28/2004EP1412291A2 Synthetic porous crystalline mcm-71, its synthesis and use
04/28/2004EP1412289A1 Zeolite ssz-58
04/28/2004CN1491888A Process for preparing magnesium basic zeolite
04/27/2004US6726834 Process for catalytic cracking of a hydrocarbon feed with a MFI aluminisilcate composition
04/27/2004CA2287530C Aluminosilicate compositions, preparation and use
04/22/2004WO2003078307A3 Metallophosphate-type im-6 crystallised solid and the preparation method thereof
04/22/2004US20040077484 For example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene.
04/21/2004EP1409403A2 Zeolite ssz-57
04/21/2004EP1409402A2 Zeolite ssz-59
04/21/2004EP1054836B1 Synthesis of zsm-48
04/21/2004CN1491187A Mesostructured catalyst incorporating particles of nanometric dimensions
04/21/2004CN1490245A High silicon mordenite and preparing method thereof
04/21/2004CN1146525C Method of zeolite synthesis with homogeneous shaking out of medium, device and application
04/20/2004US6723301 EUO-structural-type zeolite with a low si/Al ratio and its use as catalyst for isomerization of C8-aromatic fractions
04/20/2004US6723300 Forming zeolite or chabazite material; using silicon oxide, one or more trivalent metal oxides, cationic organonitrogen fluoride and water
04/20/2004CA2140863C Catalysts and their use in oxidation of saturated hydrocarbons
04/14/2004EP1200347B1 Synthesis of zsm-5 and zsm-11
04/14/2004CN1488579A Aluminosilicophosphate molecular sieve and preparing method thereof
04/14/2004CN1488578A Mesoporous molecular sieve cortaining beta zeolite secondary constitutional unit and preparing method thereof
04/14/2004CN1488577A Mesoporous molecular sieve containing Y-zeolite secondary constitutional unit and preparing method thereof
04/14/2004CN1488438A Method for preparing titanium-silicon molecular sieve
04/13/2004US6719955 Salt-templated microporous solids
04/08/2004WO2004028969A1 Novel anion-exchange materials
04/08/2004WO2004000730A3 Nanocrystalline inorganic based zeolite and method for making same
04/08/2004US20040067846 Forming using quaternary ammonium template in liquid phase; drying while controlling temperature; solvent extraction
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