Patents
Patents for B01J 45 - Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties (1,510)
02/1988
02/25/1988WO1988001307A1 Method for the recovery of gallium contained in a sodium aluminate solution
02/23/1988CA1233026A1 Process for eluting indium from a chelate resin containing adsorbed indium
01/1988
01/20/1988EP0253303A2 Metal chelating resins
12/1987
12/23/1987CN87103957A Process for synthesizing amine chelate resin with polythioether as main chain
12/22/1987US4714769 Process for the synthesis of organofunctional silanes using isatoic anhydride or derivatives thereof
12/22/1987US4714556 Blood purification
12/16/1987EP0249520A1 Process for recovering indium, germanium and/or gallium using ion exchangers containing phosphonic groups
12/09/1987EP0248524A2 Method of separating and/or purifying bio-affecting substances using particulate, polymeric adsorbents
12/09/1987CN86103557A Resin for separating and gathering the valuable metal
12/08/1987US4711863 Immobilized extractants
11/1987
11/24/1987CA1229489A1 Process for separating and purifying metallic elements by displacement chromatography
11/17/1987US4707440 Biopolymer linked to a chelating agent based on an o-cyclohexadiaminediacetic acid
11/17/1987US4707271 Stabilization of iron in aqueous systems
10/1987
10/20/1987US4701500 A glycine hydroxamate-modified carrier of polysaccharides, galactans, polyacrylamide or silica; sterilization
10/07/1987CN87100526A Method for recovering gallium
10/06/1987US4698425 Chelating agents
09/1987
09/30/1987EP0192651A4 1,3 disubstituted aromatic cyclohexane imides and method of use thereof as chelating agents.
09/02/1987EP0234319A2 Method for recovering gallium
07/1987
07/01/1987CN86107456A Stabilization of iron in aqueous systems
05/1987
05/12/1987US4664810 Method of separating heavy metals from complex-forming substances of aminocarboxylic acid type, or salts thereof in aqueous solutions
05/06/1987EP0220726A2 Stabilization of iron in aqueous systems
05/05/1987CA1221499A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
04/1987
04/28/1987US4661258 Traveling bed ion exchange contact apparatus and process employing same
04/23/1987WO1987002273A1 Separation process
03/1987
03/24/1987US4652280 Adsorption material for olefins, gas chromatography column, method of selectively removing olefins from a mixture of hydrocarbons
03/03/1987CA1218529A1 Method of selective separation and concentration of gallium and/or indium from solutions containing low levels of them and high levels of other metal ions
01/1987
01/07/1987EP0207564A2 Process for the synthesis of organofunctional silanes using isatoic anhydride or derivatives thereof
12/1986
12/23/1986US4631177 Absorption on polymer containing quinolinol, then elution
12/10/1986EP0204036A1 Anisotropic microporous supports impregnated with polymeric ion-exchange materials
12/09/1986US4627920 Process for the retention of a substance dissolved in a solution
12/02/1986US4626416 Insoluble carrier with organic coordinating sites
11/1986
11/11/1986US4622344 Recovery of ammoniacal copper with novel organogels
11/04/1986US4621103 Aminopolyol anion exchange resins for separation isotopes
10/1986
10/07/1986CA1212368A1 Spherical ion exchange resin, method for producing the same and method for adsorption treatment using the same
09/1986
09/25/1986WO1986005521A1 Immobilised extractants
09/16/1986US4612122 Removing heavy metal ions from blood
09/03/1986EP0192651A1 1,3 disubstituted aromatic cyclohexane imides and method of use thereof as chelating agents
09/02/1986CA1210594A1 Composition containing thiolates and process for the removal of heavy metal ions from dilute aqueous solutions
08/1986
08/12/1986US4605706 Process for producing a chelate resin
07/1986
07/22/1986CA1207980A1 Method for purification of sulfuric acid solution
07/09/1986CN85100246A Synthesis of chelate resin of mercaptoamine type by reaction of thio-cyclo-chloropropane and diamine
07/08/1986US4599221 Reduction with iron, elution, precipitation
07/08/1986US4599175 Process for separating and purifying metallic elements by displacement chromatography
06/1986
06/10/1986CN85108961A Composite porous material, process for production and sepparation of metallic element
04/1986
04/29/1986US4585559 Selective removal of metals from solution
03/1986
03/18/1986US4576969 Spherical ion exchange resin having matrix-bound metal hydroxide, method for producing the same and method for adsorption treatment using the same
02/1986
02/19/1986EP0171704A1 Method for eluting a metal adsorbed on a chelating agent
02/13/1986WO1986000820A1 1,3 disubstituted aromatic cyclohexane imides and method of use thereof as chelating agents
01/1986
01/22/1986EP0168853A1 Adsorption material for olefins; gas chromatography column;method of selectively removing olefins from a mixture of hydrocarbons
01/21/1986US4565673 Using a halogen-free acid followed by a halogen-containing solution for selective separation from other metals
01/14/1986US4564690 Macrocyclic compounds
01/14/1986US4564659 Chelate resin and process for producing the same
01/08/1986EP0167502A2 Metal ion binding product to inhibit bacterial growth for the immobilization and purification of biopolymers and the like
12/1985
12/17/1985US4559216 Method for purification of sulfuric acid solution
10/1985
10/30/1985EP0159450A1 Recovery of ammoniacal copper with novel organogels
09/1985
09/18/1985EP0154788A2 Detectable molecules, method of preparation and use
09/04/1985EP0080478B1 N-hydroxyethylated macrocyclic polyamines, the preparation of such amines and their use
07/1985
07/23/1985US4530963 Insoluble chelating compositions
07/10/1985EP0148158A2 Process for eluting indium from a chelate resin containing adsorbed indium
05/1985
05/22/1985EP0142126A2 A method for separating boron isotopes
05/14/1985US4517096 Method of selective separation and concentration of gallium and/or indium from solutions containing low levels of them and high levels of other metal ions
05/07/1985US4515906 Anisotropic microporous supports impregnated with polymeric ion-exchange materials
04/1985
04/10/1985EP0136578A2 Separation of Th 4+ from compositions loaded with Th 4+ and UO2 2+
04/02/1985US4508838 Compositions containing thiolates for removal of heavy metal ions from dilute aqueous solutions
02/1985
02/19/1985US4500494 Microencapsulated chelating agents and their use in removing metal ions from aqueous solutions
02/13/1985EP0133104A1 Process for retaining a substance dissolved in a solution
02/13/1985EP0132902A2 Recovery of uranium from wet process phosphoric acid by liquid-solid ion exchange
01/1985
01/29/1985US4496664 Polymerized with aldehyde and phenol compounds
10/1984
10/10/1984EP0121337A1 Method for purification of sulfuric acid solution
09/1984
09/25/1984CA1174861A1 Selective extraction of gold
09/05/1984EP0117324A1 Metal extraction from solution and immobilized chelating agents used therefor
09/04/1984CA1173995A1 Phenolic chelate resin, process for producing the same, and method of recovering heavy metal ions with the same
07/1984
07/24/1984CA1171590A1 Aminophosphonic acid chelate resin
07/17/1984US4460474 Process for the extraction of cesium ions from aqueous solutions using an adduct compound in solid form comprising a macrocyclical polyether and an inorganic heteropoly acid
07/10/1984CA1170670A1 Removal of iron compounds from organic process streams
07/10/1984CA1170643A1 Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation
07/03/1984CA1170392A1 Waste water treatment by chelation-gelation
06/1984
06/27/1984EP0111999A2 Spherical ion exchange resin, method for producing the same and method for adsorption treatment using the same
06/26/1984CA1169875A1 Chelating agents for non-aqueous systems
06/05/1984US4452702 Process for the extraction of cesium ions from aqueous solutions using an adduct compound containing a macrocyclical polyether and an inorganic heteropoly acid
05/1984
05/15/1984US4448694 Metal extraction from solution and immobilized chelating agents used therefor
05/01/1984CA1166772A1 Treatment of water, especially for aquaria
04/1984
04/11/1984EP0105201A2 Chelate resins, process for their production and their use
04/10/1984US4442231 Adsorption of metal ions
04/04/1984EP0104346A2 Insoluble chelating compositions
03/1984
03/07/1984EP0102044A2 Agent containing thiolate and process for removing heavy metal ions from diluted aqueous solutions
12/1983
12/27/1983US4423159 Phenolic cation exchange resin material for recovery of cesium and strontium
12/27/1983US4423158 Ion adsorbent for metals having a coordination number greater than two
11/1983
11/15/1983US4415631 Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation
11/08/1983US4414183 Phenolic chelate resin, process for producing the same, and method of recovering heavy metal ions with the same
11/08/1983CA1156471A1 Process for the treatment of solutions of lead chloride
09/1983
09/07/1983EP0087934A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
09/07/1983EP0087786A1 Agarose-polyaldehyde beads, process for their production and their use
09/01/1983WO1983002947A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
08/1983
08/16/1983US4399235 Halogenation of monovinylidene aromatic polymer in presence of organic liquid having high dielectric constant
08/10/1983EP0085661A1 Metal ion adsorbent
06/1983
06/08/1983EP0080478A1 N-hydroxyethylated macrocyclic polyamines, the preparation of such amines and their use.
05/1983
05/17/1983US4384025 Metallically conducting 5,6,11,12-tetrathiotetracene-iodine charge-transfer complex and processes for the production thereof
05/17/1983US4383924 Ion exchange resin
05/10/1983US4383104 Condensing a phenolic alkyl amine with phosphorous acid and formaldehyde; adding a phenol and an aldehyde; adsorbers; stability
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