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)
05/1995
05/11/1995CA2175576A1 Aluminosilicates
05/10/1995EP0651674A1 Catalysts and their use in oxidation of satured hydrocarbons
05/10/1995CN1102400A Preparation method of skeleton rich silicon Y molecular sieve
05/02/1995US5411724 Method for substitution of alumina in the framework of zeolites by silicon
05/02/1995CA1335408C Process for treating talc
04/1995
04/27/1995WO1995011196A1 Synthetic porous crystalline mcm-58, its synthesis and use
04/26/1995EP0649387A1 Synthesis of zeolite films bonded to substrates, structures and uses thereof
04/26/1995CN1101892A Preparation of aluminosilicate zeolites
04/25/1995US5409687 Hydrothermal crystallization of aqueous mixture of a base, gallium or its oxides, salts, or hydrates, and silicon dioxide fines
04/25/1995US5409682 Preparation of essentially alkali-free borosilicate crystals having a zeolite structure
04/19/1995EP0558644B1 Methods for the preparation of molecular sieves, including zeolites, using metal chelate complexes
04/18/1995US5407654 Having homogeneous distribution of aluminum over crystalline cross-section; stability, selectivity
04/13/1995WO1995009812A1 Zeolite zsm-11 and a process for preparing zeolite zsm-11 using a 3,5-dimethylpiperidinium templating agent
04/11/1995US5405596 Using directing agent (CH3)N+(CH2)12 N+(CH3)3 which is included in catalysts
03/1995
03/29/1995EP0568566B1 Process for producing substantially binder-free zeolite
03/28/1995US5401896 Process for preparing long chain alkyl aromatic compounds
03/28/1995US5401488 Substitution of Sn in place of Al in the framework of molecular sieve via treatment with fluoride salts
03/28/1995US5401487 With good calcium absorption
03/28/1995US5401432 Stable pumpable zeolite/siliconate suspensions
03/23/1995WO1995007859A1 Zeolite cit-1
03/23/1995DE4331003A1 Process for preparing dealuminated zeolites
03/22/1995EP0643671A1 Zsm-5 zeolite
03/22/1995EP0643670A1 Zsm-22 zeolite
03/22/1995EP0643669A1 Zinc phosphorous oxide and zinc arsenic oxide compositions
03/21/1995US5399337 Catalyst
03/21/1995US5399336 Stannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewith
03/16/1995WO1995007236A1 Process for preparing zeolite y with increased mesopore volume
03/16/1995CA2171196A1 Process for preparing zeolite y with increased mesopore volume
03/14/1995US5397561 Zeolite-type material
03/14/1995US5397560 Microporous crystalline aluminosilicate designated DCM-2
03/14/1995US5397454 Hydrocarbon conversion process using zeolite SSZ-32 having constraint index of 13 or greater
03/09/1995DE2953858C2 Silicas modified with boron, their preparation and use
03/07/1995US5396009 Zeolite L
03/01/1995EP0640389A1 Magnesium containing non zeolitic molecular sieve and use as isomerization catalyst
02/1995
02/28/1995US5393511 Synthesis of zeolites of faujasite structure
02/28/1995US5393407 Contacting hydrocarbon feed with crystalline borosilicate zeolite having specified X-ray diffraction lines and formed using diquaternary ammonium ion template
02/23/1995WO1995005445A1 Granular detergent compositions containing zeolite and process for their preparation
02/23/1995WO1995005342A1 A microporous crystalline silico-alumino-phosphate and a procedure for manufacturing it
02/21/1995US5391287 Hydrocarbon conversion process using zeolite SSZ-35
02/21/1995US5391228 Method for preparing high solids bentonite slurries
02/21/1995CA1334530C Process for modification of a molecular sieve
02/15/1995EP0638517A1 Zeolite GZS-11 and its dynamic preparation process
02/15/1995EP0638053A1 Method for preparing high solids bentonite slurries
02/14/1995US5389358 For catalytic cracking; catalyst selectivity to gasolines, isobutylene
02/14/1995US5389357 Modified crystalline aluminosilicate zeolites and process for their preparation
02/14/1995CA2003567C Method for modifying a zeolite
02/02/1995WO1995003250A1 Process for the manufacture of a zeolite
02/02/1995WO1995003249A1 Process for the manufacture of a zeolite
02/02/1995WO1995003248A1 Process for preparing ammonium zeolites of low alkali metal content
02/02/1995CA2167279A1 Process for the manufacture of a zeolite
02/01/1995EP0636685A2 Particulate foam control agents and their use
01/1995
01/31/1995US5385718 Zeolites
01/31/1995US5385717 Forming aluminosilicate gel containing polyoxyalkylene oxide structural agent, calcining to destroy structural agent
01/31/1995US5385714 Hydrothermal crystallization of inorganic mixture containing silica, alumina, their hydrated derivatives, alkali silicates or aluminates, mineralizers, seeding crystals in aqueous alkaline medium
01/30/1995CA2128043A1 Particulate foam control agents and their use
01/25/1995EP0604597A4 Method for preparing crystalline materials using aza-polycyclic templating agents.
01/18/1995EP0634361A1 Hollow spheroidal agglomerated pentasil zeolites
01/18/1995EP0634212A1 Structured catalyst, containing microporous oxides of silicium, aluminium and titanium
01/17/1995US5382742 Gallium-containing zeolite MCM-22
01/17/1995US5382420 ECR-33: a stabilized rare-earth exchanged Q type zeolite
01/11/1995EP0632744A1 Membrane for separating off small molecules and method for the production thereof.
01/10/1995US5380947 Catalyst supports or drugs with quaternary ammonium compounds
01/04/1995EP0631983A1 Crystalline titanium oxides
01/04/1995EP0618881A4 A process for preparing molecular sieves using 3,7-diazabicyclo[3.3.1]nonane templates.
01/04/1995EP0618880A4 A process for preparing molecular sieves using 9-azabicyclo[3.3.1]nonane templates.
01/04/1995EP0618879A4 Zeolite ssz-35.
01/04/1995EP0610468A4 Method of making molecular sieves.
01/04/1995EP0606445A4 Preparation of zeolites using low silica/alumina zeolites as a source of aluminum.
01/03/1995US5378440 Method for separation of substances
12/1994
12/28/1994EP0630652A2 Contrast media
12/28/1994EP0630353A1 Molecular sieves containing indigo-based dyes
12/28/1994EP0597954A4 Synthetic porous crystalline material, its synthesis and use.
12/22/1994WO1994029022A1 Structure material of the zeolite type with ultralarge pores and a lattice comprised of silicone and titanium oxides; its synthesis and utilization for the selective oxidation of organic products
12/21/1994EP0512026B1 Synthetic porous crystalline material its synthesis and use
12/21/1994CN1096496A Aluminosilicophosphate molecular sieve synthesis using diethylamine as template agent
12/21/1994CN1027048C Catalytic reactions using zeolites
12/20/1994US5374410 Chemical reduction using ammonia, hydrogen gas or sulfur dioxide to form nontoxic nitrogen in presence of zeolite as catalyst
12/20/1994US5374409 Purifying gases with an alkali metal and transition metal containing zeolite
12/20/1994US5374370 Type B aluminosilicates with low Si:Al ratio for detergent use
12/08/1994WO1994027934A1 Process for modifying the shape selectivity of a zeolite catalyst and use of the mofified catalyst
12/06/1994US5371311 Hydrocarbon conversions using synthetic crystalline alumina silica catalysts which also contain one or more other netal oxides and have controlled porosity and adsorption capacity
12/06/1994US5371310 Process for preparing short chain alkyl aromatic compounds
12/06/1994US5371307 A calcined zeolite is formed by mixing the source of silicon dioxide and germanium dioxide, heating to crystallization and roasting at high temperature
12/06/1994US5370859 Controlling particle size
12/06/1994US5370858 Process for the synthesis of zeolites having an aluminosilicate framework belonging to the faujasite structural family, products obtained and their use in adsorption and catalysis
12/06/1994US5370853 Zeolite-like compound
12/06/1994US5370785 Hydrocarbon conversion process employing a porous material
12/06/1994CA1333323C Crystalline (metallo) silicates and germanates
12/06/1994CA1333322C Crystalline (metallo) silicates and germanates
11/1994
11/30/1994EP0626200A1 Silica-pillared micas
11/29/1994US5369069 Ion exchanging ions in clay
11/29/1994US5368836 Low-template clathrasil
11/24/1994WO1994026663A1 Method for synthesizing zeolite beta
11/24/1994WO1994026662A1 Aluminosilicates
11/23/1994EP0625125A1 Zsm-48 zeolite synthesis method
11/22/1994US5366720 Contacting zeolite with an aqueous sodium aluminate solution until the number of aluminum atoms in the zeolite framework is increased
11/15/1994US5365002 Crystalline zeolite-like gallosilicate, and method for its synthesis
11/15/1994US5364999 Organic conversion with a catalyst comprising a crystalline pillared oxide material
11/10/1994WO1994025539A1 Synthetic layered material, mcm-56, its synthesis and use
11/10/1994WO1994025152A1 Molecular sieve layers and processes for their manufacture
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