Patents
Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418)
08/1998
08/26/1998EP0758261B1 Chemically modified solid phase extraction particles and articles containing same
08/19/1998EP0660668B1 Iodine/resin disinfectant and a procedure for the preparation thereof
08/12/1998EP0857514A2 Method of preventing corrosion in a water system
08/04/1998US5788864 Ion exchanging with alkali metal hydroxide
07/1998
07/30/1998WO1998032513A2 Method for separating bi-213 from a solution of radionuclides
07/30/1998WO1998032512A1 Process for removing chromate ion from a concentrated solution of sodium sulfate
07/22/1998EP0854136A1 Process for the production of pure alkanesulfonic acids
07/21/1998US5783608 Heat bonded fabics from sheath-core fibers exposed to ionizing radiation and grafted with polymerizable monomer
07/16/1998WO1998030314A1 Ion chromatographic method and apparatus using ion reflux
07/14/1998US5780593 Method of isolating biomolecules by ion exchange
07/07/1998CA2029115C Method for removing sulfate ions from aqueous solution of alkali metal chloride
07/07/1998CA2018667C Preparation of i5- polyiodide disinfectant resins
06/1998
06/30/1998US5774782 Technetium-99m generator system
06/23/1998CA2016562C Elution process for gold-iodine complex from ion-exchange resins
06/16/1998US5766482 Capture, degradation, and destruction of sulfur bearing compounds
06/10/1998EP0576547B1 Processes for recovering citric acid
06/10/1998CN1184004A Mixed bed ion exchange resin system and method of preparation
06/09/1998US5762890 Zirconium and hafnium separation in chloride solutions using continuous ion exchange chromatography
06/04/1998WO1998023375A1 APPARATUS FOR CHANGING pH OF SOLUTIONS
06/02/1998US5760097 Methods of preparing polymeric microbeds
06/02/1998US5759404 Selective partition
05/1998
05/28/1998WO1998022517A1 Anion exchange materials and processes
05/28/1998WO1998022516A1 Biocompatible compositions
05/28/1998WO1998022217A1 Polymeric material for water treatment, cation-exchange resin, and anion-exchange resin
05/28/1998WO1998022162A1 Biocompatible compositions
05/28/1998EP0866815A3 Biocompatible compositions
05/27/1998EP0844214A1 Synthetic chalcoalumite-type compounds and processes for producing the same
05/27/1998EP0844024A2 Mixed bed ion exchange resin system and method of preparation
05/05/1998US5749042 Bismuth generator method
05/05/1998US5747663 Process for the depletion or removal of endotoxins
05/05/1998US5746922 Reducing chromium in sodium sulfate, adsorption and desorption and discharging
04/1998
04/30/1998WO1998017586A1 Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange
04/30/1998CA2269331A1 Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange
03/1998
03/31/1998US5733521 Process for producing a purified aqueous hydrogen peroxide solution
03/25/1998EP0830388A1 Ion exchange polymers for anion separations
03/25/1998EP0830339A1 Process for preparing amides of n-alkyl polyhydroxyalkyl amines
03/25/1998CN1177337A Method for producing crystalling inorganic ion exchange material
03/18/1998EP0615556B1 Purifying aqueous solutions of amine-n-oxides
03/10/1998US5726210 Reacting aromatic crosslinked haloalkyl-containing copolymer particles with an amine in the presence of water and a water soluble inorganic salt
03/04/1998EP0826704A2 Process for the preparation of crosslinked polymers
03/04/1998CN1174847A Process for preparation of crosslinked polymers
02/1998
02/26/1998CA2213733A1 Process for the preparation of crosslinked polymers
02/25/1998EP0570569B1 A support material and biocompatible anion exchange materials
02/25/1998CN1174174A Method for breaking down oxidizing substances in aqueous fluids
02/24/1998US5720883 Inorganic ion exchangers
02/12/1998WO1998005686A1 Purification of immunoglobulins
02/12/1998CA2262907A1 Purification of immunoglobulins
01/1998
01/08/1998WO1998000524A1 Method for producing recombinant adenovirus
01/08/1998CA2258158A1 Method for producing recombinant adenovirus
01/07/1998EP0816294A2 Process for destroying oxidizing substances in aqueous liquids
01/07/1998EP0815939A2 Ion-exchanger, process for production thereof and process for removal of multicharged anions employing the ion-exchanger
01/07/1998EP0814907A1 Polymer sorbent for ion recovery processes
01/07/1998EP0764047A4 Polymeric microbeads and method of preparation
12/1997
12/29/1997EP0813499A1 Method for producing crystalline, inorganic ion exchange material
12/24/1997WO1997048482A1 Iodinated matrices for disinfecting biological fluids
12/24/1997CA2257482A1 Iodinated matrices for disinfecting biological fluids
12/18/1997WO1997047382A1 Modified carbon adsorbents and processes for adsorption using the same
12/18/1997CA2258189A1 Modified carbon adsorbents and processes for adsorption using the same
12/17/1997EP0812339A1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same
12/17/1997CN1167778A Polyaniline-phenol resin and preparing method thereof
12/10/1997EP0810904A1 Amine heat stable salt removal from type ii anion exchange resin
12/03/1997CN1166381A Alkali anion exchange resin
12/02/1997US5693680 Polyvinylpyridinium anion-exchangers for recovery of technetium and plutonium anions
11/1997
11/27/1997WO1997044110A1 TECHNETIUM-99m GENERATOR SYSTEM
11/12/1997EP0805713A1 Process and apparatus for purification of contaminated acids
11/12/1997EP0696330B1 Process for purifying aqueous solutions of tertiary amino oxides
11/05/1997EP0804876A1 Iodine/resin disinfectant and a procedure for the preparation thereof
10/1997
10/29/1997EP0695324B1 Process for producing cellulose shaped bodies
10/21/1997US5679260 Process for simultaneously removing tumour necrosis factor α and bacterial lipopolysaccharides from an aqueous liquid
10/21/1997CA2022741C Quaternized pei silica solid supports for chromatography
10/01/1997EP0797917A1 Iodine/resin disinfectant and a procedure for the preparation thereof
09/1997
09/23/1997US5670550 Ion exchanging
09/04/1997WO1997031865A1 Removal of borate in chromatography
09/04/1997WO1997031864A1 Anion-exchange resins with at least two different nitrogen containing ion-exchange groups
09/04/1997WO1997031692A1 A method of preparing a liquid mixture
09/03/1997EP0515646B1 Anion exchanger
08/1997
08/26/1997US5660984 DNA isolating apparatus comprising a non-porous DNA binding, anion exchange resin and methods of use thereof
08/26/1997CA2063855C Precision and accuracy of anion-exchange separation of nucleic acids
08/21/1997WO1997029825A1 Process for chromatographic separation of peptides and nucleic acid, and new high affinity ion exchange matrix
08/20/1997CN1157190A Weak-base anion-exchange resin and preparing method thereof
08/13/1997EP0614446B1 Production of alkali metal carbonates
08/05/1997US5653922 Porous crosslinked ion exchange resins, cationic polymer, carbonized carbon or gel-filled particles; protein synthesis, high density cell culture
07/1997
07/29/1997US5652190 Method for regenerating magnetic polyamine-epichlorohydrin resin
07/15/1997US5648070 Biocompatible anion exchange materials
07/15/1997US5647987 Ion exchangers
06/1997
06/17/1997US5639452 Iodine/resin disinfectant and a procedure for the preparation thereof
06/04/1997EP0776911A2 Process for preparation of anion exchange resin
06/04/1997EP0722360B1 Ion exchanger
05/1997
05/28/1997EP0775150A1 Endotoxin reduction or removal process
05/28/1997CN1150764A Polymeric microbeads and method of preparation
05/21/1997EP0774442A1 Process for producing a purified aqueous hydrogen peroxide solution
05/13/1997US5628941 Process for the production of cellulose moulded bodies
04/1997
04/29/1997US5624567 Using anion exchange resin
04/24/1997WO1997014658A1 Cyanide containing effluent purification process
04/08/1997US5618502 Zirconium and hafnium separation in sulfate solutions using continuous ion exchange chromatography
04/08/1997US5618438 Method of isolating an analyte using a solid phase extraction medium
04/01/1997US5616407 Self-wettable solid phase extraction medium
03/1997
03/26/1997EP0764047A1 Polymeric microbeads and method of preparation
03/18/1997US5612383 Basic anionic exchange resins with sulfate groups prepared from poly(meth)acrylonitrile or poly(meth)acrylate with polyamines and containing sulfate ions
03/12/1997EP0588941B1 Treating rhodium and/or ruthenium and iridium containing solutions
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