Patents
Patents for B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties (4,694)
02/1984
02/21/1984US4433082 Process for making liquid composition of perfluorinated ion exchange polymer, and product thereof
02/15/1984EP0100568A2 Process for the treatment of waste water
02/14/1984US4431785 Crosslinked copolymers by free radical catalysis
02/14/1984US4431580 Oxidation to the hexavalent uranium and plutonium oxides; ion exchanging using a cationic resin
02/07/1984US4430246 Granulate consisting of hydrated sodium tripolyphosphate and water-insoluble alumino silicate ion exchanger material
01/1984
01/31/1984CA1161597A2 Emulsion copolymer cation exchange resins and ion exchange process therewith
01/25/1984EP0098947A1 Polymeric mono-, di-, tri- and tetrasulfide compounds, process for preparing them and their use
01/25/1984EP0098946A2 Organopolysiloxanes which contain sulfonate groups, process for preparing them and their use
01/24/1984US4427793 Ion exchange resin beads, adsorbers
01/24/1984US4427549 Using separate cation land anion removing tanks
01/24/1984CA1161198A1 Process for preparing agglomerated fibrous cellulose
01/17/1984CA1160799A1 Process for producing fluorinated polymer having ion-exchange groups
01/11/1984EP0098130A2 The manufacture of crosslinked copolymer beads, the copolymer beads themselves and their use as adsorbents or, on incorporation or addition of functional groups, as ion exchange resins
01/10/1984CA1160135A1 Particulate detergent composition
12/1983
12/20/1983US4421865 Selective hydrogen-deuterium interchange using ion exchange resins
12/20/1983CA1159199A1 Ion exchange resins
12/13/1983US4420419 Abrasion-resistant granular zeolite and process for preparation thereof
12/06/1983US4419245 Copolymer process and product therefrom consisting of crosslinked seed bead swollen by styrene monomer
12/06/1983CA1158397A1 Selective ion exchange resins
12/06/1983CA1158222A1 Anionic adsorbent
11/1983
11/30/1983EP0094983A1 Process for removing transition metal ions from an aqueous solution with a reticular ion exchange resin containing a crystalline transition metal aluminate
11/23/1983EP0094919A2 Ion exchange inorganic films made up of layered structure insoluble acid salts of tetravalent metals and/or their derivatives and process for the preparation of the same
11/15/1983US4415678 Removal of sulfate ions from brine using amorphous polymeric zirconium oxide formed within a macroporous polymer matrix
11/15/1983US4415677 Removal of sulfate ions from brine using composite of polymeric zirconium hydrous oxide in macroporous matrix
11/10/1983WO1983003819A1 Procedure for manufacturing titanates
11/08/1983US4414145 Preparation and use of a 195M-AU-containing liquid
11/08/1983US4414111 Shaped composite adsorbent and a process for preparing the same
11/08/1983CA1156642A1 Method for preparing a cation exchanger and method for using such an exchanger for extracting metals from liquids
11/08/1983CA1156471A1 Process for the treatment of solutions of lead chloride
10/1983
10/25/1983US4411793 Process for the separation of elements by chromatography
10/04/1983US4407976 Anionic adsorbent
09/1983
09/27/1983CA1154440A1 Proton-catalysed reactions catalysed by hydrogen ion- exchanged layered clays
09/27/1983CA1154420A1 Filter for sorption of heavy metals
09/27/1983CA1154282A1 Chromatographic separation and quantitative analysis of ionic species
09/21/1983EP0088964A2 Process for preparing insoluble, only slightly expandable polymers of basic vinyl-heterocyclic compounds, and their use
09/21/1983EP0088866A1 Aqueous stable suspensions of water-insoluble silicates capable of binding calciumions, and their use in the production of washing and cleaning agents
09/20/1983US4405576 Removal of sulfate ions from brine
09/20/1983US4405455 Adsorption separation apparatus
09/20/1983CA1154014A1 Proton-catalysed reactions in which water is not a stoichiometer reactant catalysed by metal cation- exchanged layered clays
09/07/1983EP0087934A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
09/01/1983WO1983002947A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
08/1983
08/30/1983US4401811 Water pollution control; food processing plants; demetallization
08/30/1983US4401629 Selective imidazole ion exchange resins
08/23/1983US4400278 Counter-current adsorption filters for the treatment of liquids and a method of operating the filter
08/17/1983EP0085902A2 Process for the continuous conversion of metakaolin into very fine zeolitic sodium aluminosilicate
08/16/1983US4399235 Halogenation of monovinylidene aromatic polymer in presence of organic liquid having high dielectric constant
08/16/1983CA1152090A1 Metal salts of polyacetylenic compounds and uses thereof
08/02/1983US4396718 Field test method for estimation of concentration of organic materials in water
07/1983
07/26/1983US4395546 Decoloring effluents
07/26/1983CA1150711A1 Crystallising of a zeolithe during industrial manufacturing processes
07/19/1983US4394353 Complexing agent
07/19/1983CA1150449A1 Production of ion exchange resins, the resins so produced and ion exchange processes using them
07/19/1983CA1150448A1 Emulsion copolymer ion exchange resins and ion exchange process therewith
07/19/1983CA1150224A1 Process for producing zeolite a
07/19/1983CA1150221A1 Process for producing crystalline zeolite a
07/12/1983CA1149796A1 Hydrophilic substrate for sorbing heavy metals
07/12/1983CA1149743A1 Porous and spherical carbonaceous product
06/1983
06/29/1983EP0082351A1 Process for the elimination of molybdenum from aqueous solutions of manganese salts
06/21/1983CA1148566A1 Fluorinated copolymer and preparation thereof
06/15/1983EP0081408A1 Ethylene diamine functional acrylic resins and preparation thereof
06/14/1983US4388451 Polymers derived from allylphenol or substituted allylphenol and maleic anhydride
05/1983
05/31/1983US4386006 Ion-exchange compositions
05/25/1983EP0079842A1 Acrylic copolymers based on N-acrylylpolymethylene imines or N-acrylyldialkyl amides, N,N'-acrylyldiamino alcanes and N-acrylylamino acids (or esters), their preparation and their use as cation exchangers
05/24/1983US4385130 Irradiation graft polymerized permselective membranes for electrolysis cells
05/17/1983US4384095 Vinylbenzyl alcohol polymer beads and thermally crosslinked derivatives thereof
05/03/1983US4382124 Process for preparing macroreticular resins, copolymers and products of said process
04/1983
04/26/1983US4381349 Alumina compounds in ion exchange resins
04/26/1983US4381289 Process for preparing zirconium phosphate
04/19/1983US4380590 Emulsion copolymer cation exchange resins
04/12/1983US4379901 Polyfluoroallyl ethers and their production and use
04/12/1983CA1144700A1 Large ion exchange beads and a method for preparing same
04/12/1983CA1144699A1 Alumina compounds in ion exchange resins
04/06/1983EP0075611A1 Simulated countercurrent sorption process employing ion exchange resins with backflushing
04/05/1983CA1144138A1 Mixed phase chromatographic compositions
03/1983
03/29/1983CA1143875A1 High efficiency filtration with impurity concentration and ultrafiltration rejection flow recirculation
03/15/1983US4376709 Ion exchanging
03/08/1983US4376199 Acylation, dialysis, ion exchane resin
03/08/1983US4376047 Multilayer
03/08/1983CA1142501A1 Industrial semi-continuous process for the preparation zeolite a
03/08/1983CA1142327A1 Recovery of salts of anthraquinone disulfonic acid in the stretford process
03/01/1983US4375519 Strength
03/01/1983CA1142298A1 Method of manufacture of ion exchange resins
02/1983
02/22/1983CA1141674A1 Adsorption separation method and apparatus thereof
02/17/1983WO1983000487A1 Cation exchange resin by graft polymerization process
02/16/1983EP0072054A1 Process for producing crystalline metal silicates, and their uses
02/16/1983EP0071810A1 Removal of metal ions from aqueous medium using a cation-exchange resin having water-insoluble compound dispersed therein
02/08/1983US4373032 Metal salts of polyacetylenic compounds and uses thereof as ion exchange and thermochromic polymers
02/08/1983CA1141048A1 Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column
01/1983
01/25/1983US4370234 System and method for removing ammonia from wastewater
12/1982
12/28/1982US4366262 Method for catalyzed conversion of perfluorocarbon cationic exchange functionality with SF4
12/28/1982US4366261 Chromium oxide in ion exchange resin
12/28/1982US4366060 Process and equipment for chromatographic separation of fructose/dextrose solutions
12/21/1982US4364928 Novel salts of ion exchange resins of the acid type
12/21/1982US4364909 Removal of Ca++ from MgCl2
12/15/1982EP0066630A1 Composite adsorbent molding and process for manufacturing same
12/08/1982EP0066369A1 Production of a liquid composition containing a perfluorinated ion exchange polymer, and the use of this polymer
12/01/1982EP0065687A2 Process to carry out catalytic reactions in an aqueous medium
11/1982
11/30/1982US4361493 Hydrophilic substrate for sorbing heavy metals
11/16/1982US4359430 Betaine recovery process
11/10/1982EP0064205A1 Crystalline aluminosilicate, process for producing it and its use in converting methanol and/or dimethyl ether into hydrocarbons
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