Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
Patents for B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties (4,694)
11/1982
11/03/1982EP0063947A2 Filler for liquid chromatography
10/1982
10/19/1982US4355117 Ion exchange properties
10/13/1982EP0062088A1 A method for preparing an ion-exchange resin in the form of large spheroidal beads from seed beads
09/1982
09/28/1982US4351909 A microporous synthetic resin substrate, and synthetic resin particles
09/21/1982US4350773 Weakly acidic cation exchange resin and process for producing same
09/07/1982US4348297 Crystalline lithium aluminates
09/07/1982US4348296 Crystalline lithium aluminates
09/07/1982US4348295 Complexing hydrous alumina with lithium salt
08/1982
08/24/1982CA1130500A1 Polymeric adsorbents from macroreticular polymer beads
08/17/1982US4344851 Phillipsite-type zeolites for ammonia adsorption
08/17/1982CA1129657A1 Method for recovering metals of groups v-vi of the periodic system from solutions and pulps
08/10/1982CA1129188A1 Fixation by ion exchange of toxic materials in a glass matrix
08/04/1982EP0056850A1 Method of partial demineralization of waters by combining weak acid and basic ion-exchanger material and following ion-exchanger material regeneration
08/03/1982US4342839 Method of manufacture of ion exchange resins
07/1982
07/27/1982US4341636 Treatment of wastewater
07/27/1982US4341635 Microchromatographic column and method
07/13/1982US4339418 Process for the production of zeolite A
07/13/1982US4339417 Process for the production of crystalline zeolite A
06/1982
06/30/1982EP0054969A1 A process for the separation of elements by chromatography
06/30/1982EP0054777A2 Process for preparing a cation exchanger, and its use
06/30/1982EP0054544A1 Betaine recovery process.
06/29/1982CA1126882A1 Columnar fine mesh magnetized ion exchange resin system
06/29/1982CA1126481A1 Recovery of lithium from brine
06/24/1982WO1982002006A1 Composite adsorbent molding and process for manufacturing same
06/22/1982US4336140 Water purification process
06/22/1982CA1126443A1 Fluorinated ion exchange polymer containing carboxylic groups, and process for making same
06/15/1982CA1125931A1 Process for removing cationic substances from aqueous solutions
06/08/1982CA1125264A1 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles
06/01/1982US4332916 Ion exchange polymers on improved porous substrates
06/01/1982US4332623 Adsorption separation method and apparatus thereof
05/1982
05/26/1982EP0052206A1 Process for preparing polyfunctional ion exchangers
05/25/1982US4332031 Alumina saturated with borate as an absorbant
05/25/1982CA1124446A1 Ion exchange resins
05/19/1982EP0051999A1 Intercalated layered mixed oxides
05/18/1982US4330654 Addition-condensation copolymers used in ion exchange membranes
05/11/1982US4329435 Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof
05/11/1982CA1123412A1 Crystalline silicates
05/05/1982EP0050897A1 Aluminosilicate-agglomerates and detergent compositions containing them
05/05/1982EP0050813A1 Counter-current adsorption filter for treating liquids and process for its operation
04/1982
04/20/1982CA1122190A1 Industrial process for the continual preparation of zeolithe a
04/14/1982EP0049411A2 Method and catalyst for making bisphenol
03/1982
03/23/1982US4321235 Process for the treatment of alkaline liquors containing sulfate ions
03/23/1982US4321145 Ion exchange treatment for removing toxic metals and cyanide values from waste waters
03/23/1982US4321144 Process for producing fully desalted process water
03/16/1982US4320205 Carboxylic acid functional monomer and a molecular weight regulator
03/16/1982US4319999 Granular material trap
03/10/1982EP0046971A1 Removal of uremic substances with zeolite ion-exchangers
03/02/1982CA1119343A1 Selective ion exchange media
02/1982
02/23/1982CA1118771A1 Method for preparing a carboxylakylated chitin and a derivative thereof
02/17/1982EP0045824A1 Ion exchange material, its preparation and use
02/17/1982EP0045823A1 Fibrous ion exchange materials, their production and use
02/16/1982US4315995 Sulfonated chlorine-containing residue
02/09/1982US4314979 Industrial process for continuous production of zeolite A
02/09/1982US4314905 Columnar fine mesh magnetized ion exchange resin system
02/02/1982US4313844 Inorganic ion exchanger
01/1982
01/19/1982US4311609 Method of producing inorganic water-softening beads
01/13/1982EP0043759A1 Hydrophilic substrate for sorbing heavy metals and method for making such substrate
01/06/1982EP0043325A1 Hydrophilic material for sorbing heavy metals, method for making such material and its use
01/05/1982CA1115732A1 Basic monomer, preparation thereof and basic polymer prepared therefrom
01/05/1982CA1115620A1 Granulate consisting of hydrated sodium tripolyphosphate and water-insoluble alumino silicate ion exchanger material
12/1981
12/30/1981EP0042813A2 Anionic absorbents, process for their preparation and their use in removing cationic agents and heavy-metal ions from aqueous solutions
12/29/1981CA1115027A1 Hydroxylamine purification via cation exchange
12/23/1981EP0042069A2 Metal salts of polyacetylenic compounds and uses thereof
12/22/1981CA1114987A1 Resins
12/16/1981EP0041735A1 Novel polymers having acid functionality
12/15/1981US4306080 Process for the purification of industrial effluents
12/15/1981US4306031 Weakly acidic cation exchange resin and process for producing same
12/15/1981US4305882 Partial argentation resin chromatography for separation of polyunsaturated fatty esters
12/15/1981US4305826 Method and apparatus for softening and filtering water
12/08/1981US4304905 Method for preparing a carboxyalkylated chitin and a derivative thereof
12/02/1981EP0040940A2 The production of ion exchange resins, the resins so produced and ion exchange processes using them
11/1981
11/24/1981US4302548 Differing functionalities and hydraulic densities
11/18/1981EP0040124A1 Hydrophilic copolymers based on N-tris(hydroxy-methyl)methylacryl amide, process for their preparation, aqueous gel of these copolymers and their use as ion exchangers
11/03/1981US4298500 Rapid separation of multi-sited biopolymers
10/1981
10/28/1981EP0038764A1 Uses of diphosphonic derivatives in cation exchange, diphosphonic derivatives and their manufacturing processes
10/27/1981US4297220 Macroreticulated copolymer adsorption process
10/27/1981US4297183 Process for the treatment of solutions of lead chloride
10/20/1981CA1111156A1 Process for the treatment of alkaline liquors containing sulfate ions
10/13/1981US4294810 Alkali calcium silicates and process for preparation thereof
10/01/1981WO1981002807A1 Silica removal process and alumina composition used therein
09/1981
09/22/1981US4291001 Using an ion exchange resin, aluminate composite
09/22/1981CA1109588A1 Ion exchange resins
09/03/1981WO1981002420A1 Betaine recovery process
09/02/1981EP0034695A1 Process for producing zeolite A
09/02/1981EP0034694A1 Process for producing crystalline zeolite A
08/1981
08/11/1981US4283499 Peroxyester and peroxydicarbonate catalysts in preparing ion exchange resins
08/05/1981EP0033091A1 Process for purifying a nitric-acid U/Pu solution
07/1981
07/29/1981EP0032563A1 A process for increasing the lithium content obtained from lithium solutions using lithium aluminates/resin composites
07/28/1981US4280925 Ion exchanging with zinc sulfide
07/22/1981EP0032419A2 Process for the detoxification of aqueous media
07/21/1981US4279791 Recovery of cerium from polymer dispersions
07/15/1981EP0032021A2 Cation exchange resin and production thereof, permselective membrane derived therefrom, and process for producing membrane
07/09/1981WO1981001845A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays
07/09/1981WO1981001844A1 Proton-catalysed reactions catalysed by hydrogen ion-exchanged layered clays
07/08/1981EP0031687A1 Proton-catalysed reactions catalysed by hydrogen ion-exchanged layered clays
07/08/1981EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them
07/07/1981US4277457 Two different x-ray diffraction patterns; drying agents; ion exchangers
07/01/1981EP0031252A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays
06/1981
06/30/1981US4276177 High efficiency filtration with impurity concentration and ultrafiltration rejection flow recirculation
06/23/1981US4274975 Abrasive, aluminosilicate ion exchange water softener, surfactant
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