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)
02/1982
02/02/1982CA1117512A1 Zeolite synthesis
01/1982
01/12/1982US4310496 Process for converting silicon dioxide containing waste flue dust to crystalline zeolitic molecular sieves of type A
01/05/1982US4309313 Synthesis of cesium-containing zeolite, CSZ-1
01/05/1982CA1115620A1 Granulate consisting of hydrated sodium tripolyphosphate and water-insoluble alumino silicate ion exchanger material
12/1981
12/29/1981CA1115259A1 Method for preparing aluminosilicates, their use as catalyst supports and catalysts, and method for producing catalysts therefrom
12/23/1981EP0042316A2 Process for reinforcing polymers with a synthetic zeolite filler with a great dispersibility
12/23/1981EP0042226A1 Zeolite EU-1
12/23/1981EP0042225A1 Zeolite synthesis
12/22/1981US4306962 Used for catalytic cracking of hydrocarbons
12/16/1981EP0041659A1 Process for the diminution of zeolitic sodium-aluminium silicate particle sizes
12/16/1981EP0041621A1 Process for producing zeolites
12/15/1981US4305916 Sodium aluminum silicates
12/09/1981EP0041338A1 Microcrystalline synthetic faujasite
12/08/1981US4304686 Ion exchanging with gallium
12/01/1981US4303629 Sodium aluminum silicates
12/01/1981US4303628 Crystalline zeolite powder of type A (IV)
12/01/1981US4303627 Crystalline zeolite powder of type A (VI)
12/01/1981US4303626 Crystalline zeolite powder of type A (V)
12/01/1981US4303494 Hydrogenative coking of coal
11/1981
11/25/1981EP0040444A1 Process for the preparation of crystalline silicates, crystalline silicates so prepared and process for carrying out catalytic reactions
11/25/1981EP0040276A1 Method of preparing low acidity alkali metal containing zeolites
11/24/1981CA1112823A1 Process for the granulation of sodium metasilicate and products obtained
11/18/1981EP0040104A1 Synthetic crystalline aluminosilicate composition and method for the production thereof
11/18/1981EP0040016A1 Zeolite Nu-3
11/10/1981US4300013 Zeolites
11/10/1981US4299732 Process for the production of amorphous aluminosilicates and their use as catalysts
10/1981
10/29/1981WO1981003036A1 Sodalite photo and/or cathode-chromium material,method of producing it and sensitive element of a variable light transmission device made of that material
10/27/1981US4297243 Molybdenum-exchanged crystalline aluminosilicate zeolite
10/21/1981EP0037983A1 Method of making shaped crystalline aluminosilicates catalysts
10/21/1981EP0037982A1 Method of making shaped crystalline aluminosilicates catalysts
10/20/1981CA1110829A1 Conversion of nitrogen oxides
10/20/1981CA1110824A1 Silicatic complexing agent for alkaline earth ions and method of preparing same
10/13/1981US4294725 Rischer-tropsch catalyst, cobalt and cadmium
10/13/1981CA1110609A1 Synthesis of zeolite zsm-5
10/07/1981EP0037018A2 Process for the preparation of very fine zeolitic sodium aluminium silicates
10/06/1981CA1110041A1 Process for preparing amorphous particulate poly (alumino-silicate)
10/06/1981CA1110040A1 Process of preparing particulate poly (alumino- silicate)
09/1981
09/30/1981EP0036683A1 Process for the preparation of crystalline aluminium silicates, crystalline aluminium silicates so prepared and process for the production of an aromatic hydrocarbon mixture
09/29/1981CA1109638A1 Process for the preparation of fine droplet-reacted aluminosilicates of the smallest particle size
09/16/1981EP0035836A1 Shape selective reactions with alkaline earth metal-modified zeolite catalysts
09/16/1981EP0035830A2 Method of preparing crystalline zeolite catalyst of high activity
09/15/1981US4289740 Crystalline zeolite HP
09/15/1981US4289629 Removal of contaminants from strongly alkaline solution
09/15/1981US4289607 Catalytic conversion with crystalline zeolite product constituting ZSM-5/ZSM-11 intermediates
09/08/1981US4288647 Shape selective reactions with alkaline earth-modified zeolite catalysts
09/02/1981EP0034727A2 Crystalline isotactic zeolites, process for their preparation and their use as catalysts
09/02/1981EP0034696A1 Process for producing crystalline powder of the zeolite A type
09/02/1981EP0034695A1 Process for producing zeolite A
09/02/1981EP0034694A1 Process for producing crystalline zeolite A
09/02/1981EP0034693A1 Process for producing zeolite A
09/01/1981US4287166 Porous, based on silicon dioxide
08/1981
08/26/1981EP0034444A2 Enhancement of zeolite catalytic activity
08/25/1981US4285922 Method of preparing crystalline zeolite
08/25/1981CA1107709A1 Preparation of zeolite zsm-35
08/04/1981CA1106346A1 Pillared interlayered clay materials useful as catalysts and sorbents
07/1981
07/29/1981EP0032854A1 Process for obtaining a type A crystalline silicoaluminate with high water regain, and especially of type 4A, and product so obtained
07/28/1981US4280920 Using nonionic detergents
07/14/1981US4278649 Continuous process for the production of amorphous sodium aluminosilicate in an elongated reaction zone
07/01/1981EP0031255A2 Crystalline aluminosilicates, their production and use
06/1981
06/24/1981EP0030811A1 Process for the production of crystalline aluminosilicates and their use as catalysts and catalyst supports
06/24/1981EP0030751A1 A process for the preparation of iron crystalline silicates
06/23/1981US4275048 Process for the preparation of fine droplet-reacted aluminosilicates of the smallest particle size
06/23/1981US4275047 Using a seed zeolite for crystallization
06/23/1981CA1103648A1 Process for preparing zeolite a
06/16/1981CA1103124A1 Preparation of aqueous suspensions of finely-divided water-insoluble silicate cation-exchangers
06/10/1981EP0030073A1 Process for preparing carbonated beverages using coated charcoal and process for preparing the coated charcoal
06/03/1981EP0029625A1 Process for the purification of water
06/02/1981US4271135 Preparation of finely-divided, water-insoluble silicate cation-exchangers with a narrow particle size spectra
06/02/1981US4271130 Heating in the prescence of an alkaline earth compound, halide or halogens, and an alkali metal compound
06/02/1981US4271043 Pillared interlayered clay products
05/1981
05/27/1981EP0029255A1 Fischer-Tropsch type catalyst, method for its manufacture and its use for effecting a Fischer-Tropsch synthesis
05/26/1981US4269815 A high-temperature autogenous-pressure multistage exchange using an ammonium compound; faujasite; reduction in sodium content
05/26/1981CA1101826A1 Zeolite a crystals of uniformly small particle size and the manufacture thereof
05/26/1981CA1101825A1 Zeolites
05/26/1981CA1101633A1 Crystalline borosilicate (ams-1b) and process use
05/13/1981EP0028516A2 Method for preparing crystalline zeolite, zeolites prepared thereby, catalysts containing them and use of such catalysts
05/12/1981US4267158 Continuous process for the production of amorphouse sodium aluminosilicate
05/12/1981US4267068 Storage-stable, pourable silicate suspensions
04/1981
04/29/1981EP0027736A1 Method of synthesising sodium zincosilicate and stannosilicate and ion-exchanged products thereof,detergent formulations containing the sodium zincosilicate or stannosilicate products and catalysts or catalyst supports containing the ion-exchanged products
04/28/1981US4264480 Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents
04/22/1981EP0027228A1 Process for the continuous production of particulate zeolitic sodium-aluminosilicates
04/21/1981US4263266 Process for the preparation of crystalline, alkaline, aluminosilicate
04/21/1981CA1099485A1 Process for preparing amorphous sodium aluminosilicate base exchange materials
04/15/1981EP0026963A1 Method of producing large crystal zeolite ZSM-5 with controlled crystal size, and zeolite produced by this method
04/15/1981EP0026962A1 Method of synthesing large crystal zeolite ZSM-5 with controlled production of small crystals, and zeolite produced by this method
04/08/1981EP0026687A2 Synthetic inorganic polymer of the silicoaluminate family and process for the preparation thereof; moulded articles containing this polymer, and process for their preparation
04/08/1981EP0026394A2 Preparation of zeolite A by hydrothermal treatment
04/07/1981US4260495 Process for the filtration of zeolite suspensions
04/01/1981EP0026030A1 Conversion of toluene over zeolite ZSM-48
03/1981
03/31/1981US4259306 Synthesis of ZSM-39
03/24/1981US4257885 Novel zeolite compositions and processes for preparing and using same
03/24/1981CA1098104A1 Silica-containing material and manufacture of hydrocarbons catalysed thereby
03/11/1981EP0024930A1 A method of preparing active ion-exchanged zeolite catalysts
03/10/1981US4255276 Silicatic complexing agent for alkaline earth ions and method of preparing same
03/10/1981US4255148 Removal of sequestered-calcium carbonate by ion exchanging in an exterior-positioned filter; circulation
03/10/1981CA1097309A1 Crystalline zeolite zsm-34 and method of preparing the same
03/03/1981US4253849 Crystallization, agglomeration, hydration
03/03/1981CA1096845A1 Crystalline zeolite hp
02/1981
02/17/1981US4251499 Process for the preparation of ferrierite
02/17/1981CA1095877A1 Process for producing silicon-dioxide-containing waste fines to crystalline zeolitic type-a molecular sieves