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)
01/1991
01/08/1991WO1991000844A1 Zeolite (b)ssz-24
01/08/1991WO1991000843A1 Zeolite ssz-33
01/08/1991WO1991000777A1 Low-aluminum boron beta zeolite
01/08/1991US4983275 Catalytic conversion
01/08/1991CA2063991A1 Zeolite ssz-33
01/08/1991CA2062947A1 Low-aluminum boron beta zeolite
01/08/1991CA2062799A1 Zeolite
01/05/1991CA2019849A1 High silica crystalline zeolites and process for their preparation
01/02/1991EP0406069A2 Method for removing nitrogencontaining organic compounds from crystalline metallosilicate
01/02/1991EP0405978A1 Large-pored molecular sieves and their use as catalysts and ion exchangers
01/01/1991US4982046 Olefin oligomerization
01/01/1991US4981675 Polymeric basic aluminum silicate-sulphate
01/01/1991US4981663 Catalyst
12/1990
12/27/1990EP0404315A1 Chemically-curing, two-part polyurethane compositions
12/27/1990EP0404219A1 Novel crystalline aluminophosphates and related compounds
12/23/1990CA2019550A1 Crystalline aluminophosphates and related compounds
12/19/1990EP0402801A2 Method for the preparation of crystalline and zeolitic aluminosilicates
12/19/1990EP0402639A2 Method for the preparation of crystalline and zeolitic aluminosilicates
12/18/1990US4978516 Process for treating talc
12/14/1990CA2018690A1 Method for the preparation of crystalline and zeolitic aluminosilicates
12/12/1990CN1010767B Crystalline aluminium silicate, its preparation and its use as catalyst (carrier)
12/11/1990US4977120 Binderless zeolite catalysts, production thereof and catalytic reaction therewith
12/05/1990EP0400961A2 Zeolites
12/05/1990EP0400739A2 Defect-rich crystalline (metallo) silicates and process for preparing such (metallo) silicates
12/04/1990US4975258 Sodium oxide, potassium oxide, quinuclidine, tetraethylammonium chloride or hydroxide and silicon or germanium oxide
12/02/1990CA2018009A1 Defect-rich crystalline (metallo) silicates and process for preparing such (metallo) silicates
11/1990
11/30/1990CA2017760A1 Zeolites
11/28/1990EP0398998A1 Synthetic porous crystalline material, its synthesis and use.
11/27/1990US4973781 Zeolite ZSM-57 and catalysis therewith
11/27/1990US4973461 Crystalline zeolite composition
11/22/1990EP0398429A2 Synthetic saponite-derivatives, a method for preparing such saponites and their use in catalytic (hydro) conversions
11/19/1990CA2016993A1 Synthetic saponite-derivatives, a method for preparing such saponites and their use in catalytic (hydro) conversions
11/13/1990WO1990013605A1 Magnetic materials and products made therefrom
11/13/1990CA2054741A1 Magnetic materials and products made therefrom
11/07/1990EP0396237A1 Electrorheological fluids
11/06/1990US4968650 ZSM-5 catalysts having predominantly framework gallium, methods of their preparation, and use thereof
10/1990
10/31/1990EP0394948A2 Stabilized synthetic zeolite and a process for the preparation thereof
10/31/1990EP0394434A1 New zeolite ssz-31.
10/30/1990US4966761 Process for treatment of flyash
10/24/1990EP0393895A2 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/24/1990EP0393831A1 Electrorheological fluids
10/24/1990EP0393830A1 Electrorheological fluids
10/24/1990EP0393138A1 Crystalline molecular sieve
10/23/1990US4965233 Novel zeolite fluid cracking catalysts and preparation thereof from mixtures of calcined clay
10/23/1990US4965059 High silica faujasite aluminosilicate, ECR-4, and a process for making it
10/23/1990CA1275397C Crystalline zeolite lz-202 and process for preparing same
10/22/1990WO1990012765A1 Opacifying kaolin pigments and process for making same
10/18/1990WO1990011828A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed
10/18/1990WO1990011827A1 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor
10/17/1990EP0392400A2 Process for the preparation of a finely divided cristalline type A zeolithe powder with predetermined gram size distribution
10/17/1990CA2013805A1 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/16/1990US4963337 Zeolite SSZ-33
10/10/1990EP0391774A2 Process for the synthesis of type silicoaluminophosphate molecular sieve precursors, precursors therefrom and their application in the preparation of these molecular sieves
10/10/1990EP0391351A2 Process for the preparation of an improved chabazite for the purification of bulk gases
10/09/1990US4962258 Over a catalyst of gallium-containing crystalline silicate molecular sieve to obtain product rich in paraxylene
10/09/1990US4961919 Monocrystalline material having garnet structure
10/09/1990US4961836 Transition metal extracted from catalyst and containing a metal hydrogenation component
10/09/1990CA1275085A1 Process for preparation of hydrogen-ion-exchanged dealuminated mordenite
10/09/1990CA1275084A1 Process for preparation of synthetic faujasite molded body
10/06/1990CA2013529A1 Process for the preparation of an improved chabazite for the purification of bulk gases
10/02/1990US4960578 Aluminosilicate containing gallium and cesium; used as catalyst or sorbent
09/1990
09/18/1990US4957719 Process for preparation of synthetic mazzite
09/11/1990US4956483 Catalysts or absorbers, zeolites
09/11/1990US4956166 Zeolite L synthesis
09/11/1990CA1273915A1 Synthesising faujasites
09/05/1990EP0384997A1 Process for the preparation of high silica large-port mordenites
09/04/1990US4954326 Preparation of crystalline aluminosilicate zeolite, and its product
09/04/1990US4954325 Composition of synthetic porous crystalline material, its synthesis and use
09/04/1990CA1273621A1 Hydrocarbon conversion catalyst and process for selectively making middle distillates
08/1990
08/29/1990EP0384186A1 Novel iron-containing aluminosilicate
08/29/1990EP0384070A2 Zeolite P, process for its preparation and its use in detergent compositions
08/29/1990EP0272306B1 Oligomerization of olefins
08/29/1990EP0271563B1 Layered silicates and their synthesis
08/29/1990EP0270659B1 Layered metal oxides containing interlayer oxides and their synthesis
08/28/1990US4952744 Using catalysts containing germanium, gallium, iron or boron oxides
08/28/1990US4952544 Cracking catalysts for heavy oils; gasoline
08/28/1990US4952385 Ferrisilicate molecular sieve and use as a catalyst
08/23/1990WO1990009235A1 Method for producing a cellular body
08/21/1990US4950312 Silica-bound calcium-containing zeolite a granulate
08/14/1990CA1272709A1 Catalyst system for the production of aromatics from aliphatic hydrocarbons
08/08/1990EP0380825A2 Crystalline aluminophosphates and related compounds
08/07/1990US4946579 Chemical conversion processes utilizing catalyst containing crystalline galliosilicate molecular sieves having the erionite-type structure
08/07/1990CA2009191A1 Iron-containing aluminosilicate
08/01/1990EP0380180A2 The preparation of composite crystalline silicates
07/1990
07/31/1990CA2008755A1 Crystalline aluminophosphates and related compounds
07/25/1990EP0378916A1 Catalytic reactions using zeolites
07/25/1990EP0378633A1 Zeolite granules with zeolite binder.
07/25/1990CN1044078A Zeolites
07/25/1990CN1044052A Catalytic reactions using zeolites
07/25/1990CA2008316A1 Preparation of composite crystalline silicates
07/17/1990US4942119 Photosensitive, radiation sensitive, thermally sensitive and pressure sensitive silver sodalite materials
07/17/1990US4942027 Method for preparing ferrierite
07/17/1990US4941963 Synthesis of crystalline ZSM-11 structure
07/17/1990CA1271736A1 Method for producing zeolite-containing particles
07/11/1990EP0377302A2 Zeolite compositions
07/11/1990EP0377291A1 Zeolites
07/04/1990EP0376453A1 The oxidation of saturated hydrocarbon chains
07/03/1990US4938958 Antibiotic zeolite
07/03/1990US4938939 Preparation of small-pored crystalline titanium molecular sieve zeolites
06/1990
06/27/1990EP0374206A1 New zeolite ssz-26.