| Patents for B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties (4,694) |
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| 08/16/1995 | EP0666866A1 Method of isolating biomolecules by ion exchange |
| 08/15/1995 | US5441991 Cesium-specific phenolic ion exchange resin |
| 08/15/1995 | CA1336647C Process for removing mercury from a non-polar organic medium |
| 08/08/1995 | US5439564 Method of processing organic quaternary ammonium hydroxide-containing waste liquid |
| 08/01/1995 | US5438077 Base material of an insoluble crosslinked polymer having alcoholic hydroxyl groups with ion exchange groups of sulfonic acid or quaternary ammonium; excellent column permeability; capacity for binding proteins |
| 07/12/1995 | EP0662099A1 Heterogeneous membrane and method |
| 07/11/1995 | US5431824 Method for removing suspended impurities |
| 07/11/1995 | US5431822 Process for the chromatographic separation of a mixture of polyglycerols |
| 07/06/1995 | WO1995018159A1 Ion exchange resins |
| 07/06/1995 | WO1995017955A1 Adsorption material and method |
| 07/06/1995 | CA2178803A1 Ion exchange resins |
| 06/29/1995 | WO1995017250A1 System and process employing thermally sterilizable aqueous polishing agents |
| 06/28/1995 | EP0659481A2 Adsorbent production with lithium recovery |
| 06/28/1995 | EP0646038A4 Passivated and stabilized porous supports and methods for the preparation and use of same. |
| 06/27/1995 | US5428075 Treating with anhydrous phenol until a phenolic reaction product is formed |
| 06/27/1995 | US5427711 Synthesized inorganic ion exchange material and detergent composition containing the same |
| 06/27/1995 | US5427686 Using displacement agent which is more strongly bound to column packing than desired material |
| 06/27/1995 | CA1336077C Chromatography apparatus and method and material for making the same |
| 06/22/1995 | WO1995016730A1 Method for making reinforced ion exchange membranes |
| 06/08/1995 | DE4340884A1 Process for continually exchanging cations and anions in washing water |
| 06/07/1995 | EP0655952A1 Composite ion-exchange material, preparation and use thereof |
| 06/06/1995 | US5422009 Treating amine-water absorbent with sulfonated divinylbenzene -styrene copolymeric cationic resin to remove calcium to prevent calcium carbonate formation |
| 06/01/1995 | WO1995014531A1 Particles for binding monovalent cations, use of such particles as well as methods for scavenging and removing sodium and/or potassium ions |
| 05/26/1995 | WO1995013861A1 A method for separation and synthetic polymers that can be used as separation media in the method |
| 05/17/1995 | EP0652934A1 Use of aluminosilicates of the zeolite p type as low temperature calcium binders. |
| 05/16/1995 | US5416237 Process for the production of acetic acid |
| 04/26/1995 | EP0621801A4 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions. |
| 04/18/1995 | US5407580 Process for separating acid-sugar mixtures using ion exclusion chromatography |
| 04/18/1995 | US5407568 Separation column containing S-carboxyalkylcysteine |
| 04/13/1995 | WO1995009695A1 Ion exchanger |
| 04/13/1995 | WO1995009694A1 Nucleotide-containing sorbent for affinity chromatography |
| 04/12/1995 | EP0647160A1 Ion exchange resin |
| 04/05/1995 | EP0646038A1 Passivated and stabilized porous supports and methods for the preparation and use of same |
| 04/04/1995 | US5403492 Removing colloidal silica from water stream by passing through a particle bed containing dry anionic polymer or mixtures with cationic polymer |
| 03/15/1995 | CN1100068A A method for removing suspended impurities |
| 03/15/1995 | CN1100006A Synthesized inorganic ion exchange material and detergent composition containing the same |
| 03/14/1995 | US5397477 Water treatment for purification by ion exchanging |
| 03/14/1995 | US5397476 Purification of solutions |
| 03/14/1995 | US5397475 Ion exchanging to remove metals |
| 03/02/1995 | DE4425673A1 Process for removing ethidium bromide from aqueous solutions |
| 02/28/1995 | US5393505 Process for increasing the acid gas absorption capacity of contaminated alkanolamine solutions |
| 02/28/1995 | US5393430 Chromatographic separation of proteins using cationic and anionic exchange resins |
| 02/22/1995 | EP0639113A1 Environmentally acceptable method of using acid waste water. |
| 02/14/1995 | US5389349 Intercalation compound of lithium salt and alumina; ion exchanging |
| 02/02/1995 | WO1995003105A1 Process for increasing the acid gas absorption capacity of contaminated alkanolamine solutions |
| 01/31/1995 | CA1334221C Apparatus and method for recovering materials from process baths |
| 01/25/1995 | EP0635145A1 Photoresists having a low level of metal ions |
| 01/19/1995 | WO1995001838A1 Functional group containing activated carbons |
| 01/19/1995 | CA2166609A1 Functional group containing activated carbons |
| 01/05/1995 | WO1995000441A1 Kaolin derivatives |
| 01/03/1995 | US5378366 Hot lime precipitation of arsenic from wastewater or groundwater |
| 12/28/1994 | EP0630855A2 Synthesized inorganic ion exchange material and detergent composition containing the same |
| 12/28/1994 | EP0630685A1 Process for preparing of a polymeric ionexchange material with sulfonic functions |
| 12/06/1994 | US5371052 Heating to decompose boron trifluoride-cocatalyst complex; corrosion resistance |
| 11/29/1994 | US5368818 Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide |
| 11/24/1994 | WO1994026684A1 Ethylene glycol recovery process |
| 11/24/1994 | WO1994026380A1 Method for fractionating sulphite cooking liquor |
| 11/22/1994 | US5367104 Ion exchanging an organic compound to remove metals |
| 11/15/1994 | CA1333104C Removing residual alkali metal ions from demineralized water |
| 11/08/1994 | US5362466 Aluminosilicates |
| 11/02/1994 | EP0621801A1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
| 11/02/1994 | CN1094332A Enriching extraction of rubidium from bittern |
| 10/19/1994 | EP0620041A1 Ion exchange resin for multiple regeneration with a low alkylmercaptan groups content |
| 10/18/1994 | US5356937 Ion exchange resins; sulfomethylated, amine-modified addition polymers; removing calcium and copper ions |
| 10/18/1994 | US5356572 Melt spinnign sheath of polybutadiene and core of polypropylene (or copolymers0, sulfonation |
| 10/12/1994 | EP0618843A1 Phosphonic acid based ion exchange resins |
| 10/12/1994 | CN1093342A Cation coagulant |
| 10/11/1994 | US5354831 Shaped organopolysiloxanes containing sulfonate groups, a process for their production and their use |
| 10/11/1994 | CA1332269C Process for the chromatographic separations of fluid mixtures using ion-exchange resins |
| 09/28/1994 | EP0616991A1 Process for the preparation of organic compounds polluted by dissolved metallic compounds |
| 09/27/1994 | US5350714 Point-of-use purification |
| 09/13/1994 | US5346924 Heterogeneous ion exchange materials comprising polyethylene of linear low density or high density high molecular weight |
| 09/07/1994 | EP0613861A1 Device for at least partially desalinating drinking water |
| 09/07/1994 | EP0613453A1 Process for the removal of sodium values from sodium contaminated solids |
| 09/06/1994 | US5344976 Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 09/04/1994 | WO1994020214A1 Environmentally acceptable method of using acid waste water |
| 09/04/1994 | CA2134970A1 Method for ecological utilization of acid effluents |
| 09/01/1994 | WO1994019302A1 A novel process for the production of high purity and ultrapure bisphenol-a |
| 08/25/1994 | DE4241328C1 Process for recovering pure lignin derivatives from sludges |
| 08/24/1994 | EP0611595A1 Process for water desalinization |
| 08/24/1994 | CN1091058A Method for preparation of ion exchange resin beads |
| 08/23/1994 | CA1331628C Preparation of 4-pentenenitrile by isomerization |
| 08/23/1994 | CA1331598C High stability porous zirconium oxide spherules |
| 08/18/1994 | DE4404291A1 Process for the separation of a mixture of polyglycerols chromatographically |
| 08/16/1994 | US5338444 Contacting with solid polymeric substrate containing thiol groups bound to substrate through aliphatic groups |
| 08/04/1994 | WO1994017213A1 A method for the fractionation of molasses |
| 08/02/1994 | CA1331254C Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 08/02/1994 | CA1331226C Cation extraction process and application thereof to aqueous effluent treatment |
| 07/05/1994 | US5326464 Crystalline composition |
| 07/05/1994 | CA1330547C Composite membrane useful as an electrode separator |
| 06/29/1994 | CN1088486A Weak acidic cation exchanging resin producing process |
| 06/29/1994 | CN1088485A Aminolkylphosphonic acid containing ligands attached to solid supports for removal of metalions. |
| 06/28/1994 | US5324752 Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 06/22/1994 | CN1088132A Ion-exchange recovery method of cobalt and manganese ions in acetate solution |
| 06/15/1994 | EP0601572A2 Method for producing a spherical ion exchange resin |
| 06/14/1994 | US5320664 Dissolving condensed tannin powder in aqueous ammonia, mixing with aqueous aldehyde solution to form gel, and aging to stabilize |
| 06/11/1994 | CA2111022A1 Method for producing a spherical ion exchange resin |
| 06/07/1994 | CA1330074C Separating materials |
| 06/01/1994 | EP0599003A1 Apparatus and process for regeneration of an ion-exchange installation |
| 06/01/1994 | DE4306426A1 Regeneration of resin in ion-exchange plant |