| 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) |
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| 04/12/1983 | US4379763 Waste water treatment by chelation-gelation |
| 03/16/1983 | EP0073888A1 Apparatus for removing heavy metal ions from blood |
| 03/09/1983 | EP0073263A1 Process for separating cesium ions from aqueous solutions |
| 03/09/1983 | EP0073262A1 Process for separating cesium ions from aqueous solutions by using an addition compound consisting of a macrocyclic polyether and an inorganic heteropolyacid |
| 03/09/1983 | EP0073261A1 Process for removing cesium ions from solutions by using an addition compound in solid form of a macrocyclic polyether and an inorganic heteropolyacid |
| 02/15/1983 | US4374204 Porous open-cell filled reactive material containing a polymeric matrix and reactive filler |
| 01/25/1983 | US4370240 Removal of iron compounds from organic process streams |
| 12/09/1982 | WO1982004252A1 N-hydroxyethylated macrocyclic polyamines, the preparation of such amines and their use |
| 11/24/1982 | EP0065120A1 Aminophosphonic acid chelate resin |
| 10/06/1982 | EP0061924A1 Metal ion adsorbent and process for preparing the same |
| 09/28/1982 | US4351933 Vinyl substituted cyclic polyethers and addition polymers thereof |
| 09/08/1982 | EP0059623A1 A method of purifying liquid using oxine-impregnated activated charcoal and apparatus therefor |
| 08/10/1982 | US4343920 Ethylenediaminetetraacetic acid bound to polymers |
| 06/15/1982 | CA1125931A1 Process for removing cationic substances from aqueous solutions |
| 05/25/1982 | US4331785 Vinyl substituted cyclic polyethers and addition polymers thereof |
| 04/27/1982 | CA1122729A1 Process for removing heavy-metal ions from aqueous solutions |
| 04/21/1982 | EP0049950A1 Waste water treatment by chelation-gelation |
| 04/06/1982 | US4323458 Process for removing heavy-metal ions from aqueous solution |
| 03/09/1982 | CA1119416A1 Process for nickel removal from concentrated aqueous cobaltous sulfate solutions |
| 02/17/1982 | EP0046025A2 Selective extraction of gold |
| 01/06/1982 | EP0043159A1 Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation |
| 12/15/1981 | CA1114389A1 Metallically conducting 5,6,11,12-tetrathiotetracene- iodine charge-transfer complex and processes for the production thereof |
| 12/01/1981 | US4303704 Selective removal of copper or nickel from complexing agents in aqueous solution |
| 10/28/1981 | EP0038764A1 Uses of diphosphonic derivatives in cation exchange, diphosphonic derivatives and their manufacturing processes |
| 10/27/1981 | US4297183 Process for the treatment of solutions of lead chloride |
| 10/20/1981 | CA1111050A1 Macrocyclic polyether complexes |
| 10/14/1981 | EP0037655A2 A phenolic chelate resin, a process for producing the same, and a method of recovering a heavy metal ion with the same |
| 09/30/1981 | EP0036584A2 Chelating ion exchanger based organic polymer and process for its preparation |
| 08/18/1981 | US4284512 Iron selective resins prepared from a phenol, HCHO and a di-secondary amine |
| 07/22/1981 | EP0032419A2 Process for the detoxification of aqueous media |
| 06/10/1981 | EP0030106A1 A method for the selective removal of ferric ions from an aqueous solution, selective metal-chelating resins for use therein, and a method for their preparation |
| 05/05/1981 | US4266045 Etherified phenolic chelate resin, process for its production, and method for adsorption treatment |
| 04/21/1981 | US4263146 Contacting with anionic cellulose |
| 04/21/1981 | CA1099710A1 Antitumor agents |
| 04/21/1981 | CA1099708A1 Cellulosic ion exchange fibers and preparing method thereof |
| 03/24/1981 | US4258136 Process for producing wood adsorbents for mercury ions by graft polymerization of acrolein onto xanthated wood meal followed by conversion to thiosemicarbazone |
| 03/17/1981 | US4256859 Bonding to crosslinked chloromethylated polystyrene beads or acrylate homo- or copolymers; phase transfer agents; nontoxic |
| 03/17/1981 | US4256855 Homo- and copolymers of acrylic esters or vinyl ethers containing crown ether rings; extractors; gas absorbers |
| 03/17/1981 | CA1097505A1 Extraction of cobalt, copper and nickel values from ammoniacal solutions |
| 03/11/1981 | EP0024987A1 Process for the treatment of lead chloride solutions |
| 02/17/1981 | CA1095922A1 Process for the isolation 1,4,7,10,13,16- hexaoxacyclooctadecane |
| 02/10/1981 | US4250031 Crosslinked with a (1-hydroxy-2,6-phenylene)bis-methyl-iminodiacetic acid, selective to cupric and ferric ions |
| 02/10/1981 | CA1095262A1 Method for the removal of ferric ions from a concentrated aqueous zinc solution |
| 01/27/1981 | CA1094731A1 Chelate exchange resins from aminopyridines |
| 12/23/1980 | US4241028 Sorption of tungsten from alkaline solutions |
| 12/23/1980 | CA1092083A1 Ionically modified cellulose materials |
| 12/16/1980 | US4239865 Polyvinyl (dialkylthiocarbamoylthio)acetate resin, method for producing same and heavy metals-removing agent comprising same |
| 12/09/1980 | US4238328 Process for removing heavy-metal ions from aqueous solutions |
| 11/25/1980 | US4235972 High crush strength heterogeneous ion exchange resins of crosslinked polymers having vinyl halide monomer polymerized therein |
| 11/04/1980 | US4232125 Aminoalkylation of aromatic polymers using aldehyde, diacylamine and strong acid catalyst |
| 10/29/1980 | EP0018102A1 Functionalised inorganic oxide products and their use in the removal of heavy metals, transition metals and actinide metals from solution |
| 10/28/1980 | CA1088699A1 Polysaccharide-containing adsorbent |
| 09/16/1980 | US4222892 Process for preparing oxine impregnated-activated charcoal |
| 09/02/1980 | CA1084916A1 Process for purifying an aqueous solution |
| 08/20/1980 | EP0014222A1 Polyamine-based ion-exchange resins, process for their preparation and their use |
| 07/29/1980 | US4215219 Reagents from phenolic and 8-hydroxyquinolinic aldehyde oximes |
| 07/22/1980 | CA1082376A1 Treatment of liquids containing complexed heavy metals and complexing agents |
| 07/15/1980 | CA1081878A1 Cationic polymer prepared from dicyandiamide |
| 05/13/1980 | US4202944 Selective ion exchange resins with pyridyl-imidazolyl chelating functional groups |
| 04/29/1980 | US4200735 Functional group comprising an iminodicarboxylic acid derivative |
| 04/22/1980 | US4199513 Macrocyclic polyether complexes |
| 04/08/1980 | US4197391 Phenolic chelate resin and method of adsorption treatment |
| 03/25/1980 | US4195138 Controlling water hardness by removing multivalent ions |
| 02/26/1980 | US4190709 Mercury and copper selective metal chelating resins |
| 01/08/1980 | US4182676 Method and system for purifying liquid |
| 11/13/1979 | US4174319 12-Alkyl-1,4,7,10-tetraazacyclotridecane |
| 10/30/1979 | US4172785 Process for the separation of Cu++ -ions from sewage, waste water and aqueous solutions |
| 10/30/1979 | US4172784 Process for the separation of cadmium (Cd++)-ions from sewage, waste water and aqueous solutions |
| 09/18/1979 | US4168265 Alkyl substituted cyclams |
| 07/10/1979 | US4160675 Process for purifying an aqueous solution |
| 06/05/1979 | US4157298 Method for the removal of ferric ions from a concentrated aqueous zinc solution |
| 06/05/1979 | CA1055947A1 POLYMERISABLE .alpha., .beta.-MONOOLEFINICALLY UNSATURATED MONOMERS CARRYING 8-HYDROXYQUINOLYL GROUPS |
| 05/22/1979 | CA1055034A1 Organic reagents and process of preparing same |
| 05/01/1979 | US4152493 Process for eliminating metal ions from a metal ion-containing liquid with solid chelate resins |
| 05/01/1979 | CA1053550A1 Rapid analysis of trace components contained in a liquid |
| 03/13/1979 | US4144190 Polysaccharide-containing adsorbent |
| 02/27/1979 | US4142020 Hetero-macrocyclic compound coated on the surface of solid |
| 02/06/1979 | US4138415 Curing agents, chelating agents, antitumor agents |
| 01/10/1979 | EP0000219A1 Macrocyclic polyether complexes and a process for the isolation of macrocyclic polyethers |
| 01/10/1979 | EP0000218A1 Process for the isolation of 1,4,7,10,13,16-hexaoxacyclooctadecane |
| 01/09/1979 | US4133929 Ionically modified cellulose materials for removal of heavy metal ions |
| 12/20/1978 | EP0000090A1 Modified phenolic resins, method for their preparation and their use as selective metal chelating agents |
| 08/22/1978 | US4109080 Containing metal chelatable (azo-phenyl)sulfonyl-ethyl linkages |
| 07/04/1978 | US4098867 Water-insoluble chelate exchange resins from aminopyridines and process for the selective extraction of valuable metals using the same |
| 05/23/1978 | US4090959 Process for sequestering metal ions |
| 04/18/1978 | US4085261 Organic reagents and process of preparing same |
| 03/21/1978 | US4080418 Extraction of cobalt, copper and nickel values from ammoniacal solutions with chelating exchange resins of restored capacity |
| 03/21/1978 | US4080171 Rapid analysis of trace components contained in a liquid |
| 02/28/1978 | US4076724 Polycyclic macrocyclic compounds |
| 02/28/1978 | US4076618 Treatment of liquids containing complexed heavy metals and complexing agents |
| 01/31/1978 | US4071546 Silicon-containing chelating composition and method therefor |
| 09/27/1977 | US4051230 Porous membrane impregnated with organic chelating extractant, regeneration of chelating agent and release of metal cation by acid |
| 08/30/1977 | US4045377 Cationic polymer prepared from dicyandiamide, a polyamide, a dialkylamine, and an epoxide |
| 08/02/1977 | US4039483 Method of producing an ion exchanger by reacting unsaturated vulcanized or powdered rubbers with iodine isocyanate and then introducing ion exchange groups by further reaction |
| 07/05/1977 | US4033764 Complexing, inorganic clay minerals, smectites |
| 06/21/1977 | US4031038 Water insoluble chelate exchange resins having a crosslinked polymer matrix and pendant thereto a plurality of methyleneaminopyridine groups |
| 06/07/1977 | US4028284 Phenolic chelate resin |
| 05/31/1977 | US4026831 Chelating polymers based on bis-epoxides and polyamines or polyimines |
| 11/16/1976 | US3992294 Ureaphosphonates |
| 10/12/1976 | US3985648 Method and system for purifying liquid |