| Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418) |
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| 05/26/1995 | WO1995013861A1 A method for separation and synthetic polymers that can be used as separation media in the method |
| 05/09/1995 | US5414020 Process for the preparation of anion exchange resins of the poly(meth)acrylamide type |
| 05/03/1995 | EP0650929A1 Electrolytic process and apparatus for the controlled oxidation or reduction of species in aqueous solutions |
| 04/28/1995 | CA2134278A1 Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions |
| 04/13/1995 | WO1995009695A1 Ion exchanger |
| 04/12/1995 | EP0647160A1 Ion exchange resin |
| 04/12/1995 | CN1101303A Process for preparing weakly-basic anion exchangers and reagents suitable for this purpose |
| 03/15/1995 | CN1100068A A method for removing suspended impurities |
| 03/15/1995 | CN1027897C Method for preparation of aliphatic Amberplexe A |
| 02/28/1995 | US5393505 Process for increasing the acid gas absorption capacity of contaminated alkanolamine solutions |
| 02/22/1995 | EP0639588A1 Process for the manufacture of weak basic anion exchange resins and reagents therefor |
| 02/14/1995 | US5389449 Halosulfonating surface of hydrophilic polymer with chloro- or fluosulfonic acid, washing, then reacting with a polyamine yields stable non-crosslinked anion exchanging polymeric layer for chromatographic separations of proteins |
| 02/08/1995 | CN1098384A Catalytic type deoxygen resin |
| 02/02/1995 | WO1995003105A1 Process for increasing the acid gas absorption capacity of contaminated alkanolamine solutions |
| 01/25/1995 | CN1097719A Method for purifying sodium thiocyanate water solution |
| 01/19/1995 | WO1995001838A1 Functional group containing activated carbons |
| 01/19/1995 | CA2166609A1 Functional group containing activated carbons |
| 01/18/1995 | EP0634364A1 Pure water manufacturing method |
| 12/13/1994 | US5372717 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 11/08/1994 | US5362399 Removal of water from a phosgene recycle stream |
| 11/02/1994 | CN1094333A Process for anion-exchange resin containing imidazoline group and its use |
| 10/26/1994 | EP0620761A1 Sulfonamide bonded hydrophilic coatings |
| 10/18/1994 | US5356611 Anionic and cationiuc exchanging |
| 10/13/1994 | WO1994023099A1 Preparation of poly(m-phenylene isophthalamide) filaments |
| 10/11/1994 | US5354903 Polymers prepared from concentrated solutions of N',N'methylenebisacrylamide |
| 10/11/1994 | US5354472 Quaternary ammonium and polyethylene glycol attached to hydroxyl groups of cellulose |
| 10/05/1994 | EP0617714A1 Seeded porous copolymers and ion-exchange resins prepared therefrom. |
| 09/28/1994 | EP0616639A1 Device and process for isolating and purifying nucleic acids |
| 09/27/1994 | US5350714 Point-of-use purification |
| 09/27/1994 | US5350523 For high temperature demineralization |
| 09/21/1994 | EP0615556A1 Purifying aqueous solutions of amine-n-oxides |
| 09/14/1994 | EP0614446A1 Production of alkali metal carbonates. |
| 09/13/1994 | US5346924 Heterogeneous ion exchange materials comprising polyethylene of linear low density or high density high molecular weight |
| 08/24/1994 | CN1091058A Method for preparation of ion exchange resin beads |
| 08/23/1994 | US5340519 Preparation of poly(m-phenylene isophthalamide) filaments |
| 08/18/1994 | WO1994018127A1 Pure water manufacturing method |
| 08/17/1994 | EP0436684B1 Anion exchanger |
| 08/10/1994 | EP0609940A1 Method of processing photographic silver halide material |
| 08/10/1994 | EP0609939A1 Method of processing photographic silver halide material |
| 08/09/1994 | US5336704 Process for insolubilizing absorbed metal ions |
| 08/02/1994 | US5334316 Process of using polytetraalkylammonium and polytrialkylamine-containing ligands bonded to inorganic supports for removing and concentrating desired ions from solutions |
| 08/02/1994 | CA1331254C Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 07/27/1994 | CN1089920A Oxygen-removing method of feeding water to boiler |
| 06/28/1994 | US5324752 Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 06/21/1994 | CA1330372C Combined membrane and sorption process for selective ion removal |
| 06/08/1994 | EP0365635B1 Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins |
| 06/07/1994 | CA1330074C Separating materials |
| 05/25/1994 | EP0598368A1 Process for the recovery of iodine |
| 05/18/1994 | EP0596943A1 Process for purifying pentostatin. |
| 05/03/1994 | US5308876 Cation exchange resins |
| 04/27/1994 | EP0593771A1 Method of recovering volatile acids |
| 04/20/1994 | CN1085567A Fluorinated polymers |
| 04/06/1994 | CN1084824A Process for the purification of an aqueous solution of alkali metal chloride to remove iodine |
| 03/31/1994 | WO1994006850A1 Heterogeneous membrane and method |
| 03/31/1994 | WO1994006822A1 Method of isolating biomolecules by ion exchange |
| 03/31/1994 | WO1994006296A1 Iodine/resin disinfectant and a procedure for the preparation thereof |
| 03/31/1994 | WO1994003503A3 Fluorinated polymers |
| 03/29/1994 | US5298615 Ultra-lightweight, open-pore foamed cellulose materials with large surface areas, having ion-exchangeable functional groups introduced therein |
| 03/17/1994 | WO1994005724A1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents |
| 03/17/1994 | CA2143307A1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents |
| 03/15/1994 | US5294652 Process for recovering silver from photographic chemical effluent |
| 03/09/1994 | EP0585898A1 Anion exchange resin, process for its production and use thereof |
| 03/08/1994 | US5292493 Reduced corrosion of carbon steel |
| 03/08/1994 | US5292439 Flow through regenerated ion exchange resin containing copolymer of a poly- and and mono-vinyl compound as matrix |
| 03/08/1994 | CA1327674C Method and apparatus for separating proteins |
| 03/08/1994 | CA1327568C Ionically modified polysaccharides, process for their preparation and the use thereof |
| 02/17/1994 | WO1994003503A2 Fluorinated polymers |
| 02/08/1994 | US5284879 High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability |
| 02/01/1994 | US5283123 Polymer/wax blend polymer particles having cellulose capable of binding charged molecule |
| 02/01/1994 | US5282960 Increasing oil in water interfacial tension by mixing with an ion exchange resin |
| 01/12/1994 | EP0578347A1 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 01/07/1994 | CA2099815A1 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 01/06/1994 | WO1994000237A1 Ion exchange resin |
| 01/06/1994 | CA2138760A1 Ion exchange resin |
| 01/05/1994 | EP0576547A1 Processes for recovering citric acid |
| 12/29/1993 | EP0576335A1 Process for purification of aqueous alkali metal chloride solution for removal of iodine |
| 12/29/1993 | CN1023298C Isolated material |
| 12/28/1993 | US5273740 Modified by a quaternary ammonium group; cationic polymers also containing a divinylbenzene monomer |
| 12/23/1993 | WO1993025592A1 An adiabatic process for the preparation of ion exchange and adsorbent copolymers |
| 12/23/1993 | CA2137360A1 An adiabatic process for the preparation of ion exchange and adsorbent copolymers |
| 12/15/1993 | EP0573525A1 Method for removing and/or recovering mercury |
| 12/07/1993 | US5268155 Filtration; anionic exchange resin |
| 12/07/1993 | CA1325008C Process of decolorizing aqueous sugar solutions via adsorbent resins, desorption of color bodies from the adsorbent resins |
| 11/24/1993 | EP0570569A1 A support material and biocompatible anion exchange materials |
| 11/09/1993 | US5259936 Purified ion exchange resins and process |
| 09/28/1993 | US5248435 Styrene-divinylbenzene copolymer |
| 09/21/1993 | US5246591 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 09/17/1993 | EP0620761A4 Sulfonamide bonded hydrophilic coatings. |
| 09/16/1993 | WO1993017972A1 Method of recovering volatile acids |
| 09/14/1993 | US5244926 Retaining heat of reaction to raise temperature, divinylbenzene-styrene copolymer |
| 09/14/1993 | US5244856 Polytetraalkylammonium and polytrialkylamine-containing ligands bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions |
| 09/02/1993 | WO1993010899A3 A support material and biocompatible anion exchange materials |
| 08/25/1993 | EP0556879A2 Ion exchange resins |
| 08/24/1993 | US5239033 Formed, polymeric organosiloxane ammonium compounds, method of their preparation and use |
| 08/24/1993 | US5238576 Multilayers of cationic polymers in chloride, sulfate, hydroxy and tertiary amino forms for water filtration, denitrification |
| 08/19/1993 | DE4204870A1 Disposing of soil or water loaded with arsenic - by passing soln. through anion exchange resin, eluting resin to recover arsenic, sepg. arsenic from eluate and regenerating resin |
| 08/18/1993 | CN1021826C Process for extracting sterioside from plant material |
| 08/17/1993 | US5236595 Method and apparatus for filtration with plural ultraviolet treatment stages |
| 08/10/1993 | CA1321193C Process for demineralizing sugar solutions |
| 08/04/1993 | EP0377046B1 Fine particles of porous ion-exchange cellulose, process for their production, and affinity carrier |