| 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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| 09/16/2004 | WO2004078349A1 A method of preparing multi-modal anion-exchange ligands |
| 09/16/2004 | US20040178141 Composite solid material fixing mineral pollutants, method for preaparing same and method for fixing pollutants using same |
| 09/15/2004 | CN1166556C Method and equipment for preparation of purified hydrogen peroxide aqueous solution |
| 09/08/2004 | EP1224029A4 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids |
| 09/02/2004 | WO2004074379A1 Mixture |
| 09/02/2004 | WO2004073843A1 Composite materials comprising supported porous gels |
| 09/02/2004 | US20040171754 Macromolecular ketoaldehydes |
| 09/02/2004 | DE10326666A1 Stoffgemische Mixtures |
| 09/02/2004 | CA2514471A1 Composite materials comprising supported porous gels |
| 09/01/2004 | EP1450924A1 Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation |
| 08/31/2004 | US6783748 Passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower packed with an ion exchange resin, a chelate resin or adsorption resin to thereby purify the charged aqueous hydrogen peroxide solution |
| 08/25/2004 | EP0938356B1 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 08/24/2004 | US6780327 Positively charged microporous membrane comprising porous substrate and crosslinked coating including polymer backbone and pendant positively charged groups, each directly linked to backbone through polar spacer group by single bond |
| 08/19/2004 | WO2004070378A1 Column for ion chromatograph, suppressor and ion chromatograph |
| 08/18/2004 | EP1446174A1 Method and composition for removing uremic toxins in dialysis processes |
| 08/10/2004 | CA2284285C Large capacity acid or base generator and method of use |
| 08/10/2004 | CA2220806C Mixed bed ion exchange resin system and method of preparation |
| 08/03/2004 | US6770250 Using polyether sulfone polymer or anionic ion exchange resin loaded with iodine |
| 07/28/2004 | EP1179056B1 Mixed-bed solid phase and its use in the isolation of nucleic acids |
| 07/28/2004 | CN1159325C Method for purifying L-ascorbic acid 2-monophosphate ester |
| 07/22/2004 | WO2004061114A1 Process for producing amino acid or its salt by column technique and production appratus therefor |
| 07/22/2004 | US20040141904 For reducing the concentration of an anion in an alkaline medium |
| 07/22/2004 | US20040140265 Extracorporeal capturing of specific bio-macromolecular entities from extracellular body fluids |
| 07/22/2004 | DE19942347B4 Elektrochemisch regenerierbarer Ionenaustauscher Electrochemical regenerable ion exchangers |
| 07/21/2004 | EP1438136A1 Ion exchange cryptand covalently bound to substrates |
| 07/21/2004 | EP1179057B1 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 07/21/2004 | CN1513602A Zirconium gule substrate agglomeration type anion exchange microsphere and its preparation method |
| 07/21/2004 | CN1158217C Zinc modified composite polybasic salt, process for producing same and use |
| 07/15/2004 | WO2004058854A1 Purification of macrocyclic oligoesters |
| 07/15/2004 | US20040137652 Method and apparatus for manufacturing organic electroluminescent device, electronic apparatus and method of removing ionic impurities |
| 07/14/2004 | EP1437376A1 Sinter, resin particles, and process for producing the same |
| 07/08/2004 | US20040131542 Reversal immobilization to ion exchanger |
| 07/08/2004 | US20040129623 Water treatment system with low waste volume |
| 07/06/2004 | US6759442 Packing material for solid phase extraction and solid phase extraction method |
| 06/30/2004 | EP1432513A1 Alkali-stable hydrophilic sorbents for ion-exchange chromatography |
| 06/30/2004 | EP1242155B1 Treatment of extraction solvent to remove acid contaminants |
| 06/29/2004 | US6756462 Method for preparation of anion exchange resins |
| 06/29/2004 | US6755892 Sorbent bed containing a regenerable sorbent. |
| 06/24/2004 | US20040122117 comprising a porous polymer having a continuous pore structure, which comprises interconnected macropores and mesopores existing on the walls of the interconnected macropores |
| 06/24/2004 | US20040118762 Packing materials for liquid chromatography using chemically modified diamond powders |
| 06/24/2004 | US20040118249 Process for separation/recovery of platinum group metals |
| 06/23/2004 | EP1431248A2 Water treatment system with low waste volume |
| 06/18/2004 | CA2452137A1 Water treatment system with low waste volume |
| 06/16/2004 | EP1163045B1 Positively charged membrane |
| 06/10/2004 | WO2004047991A1 Electrodeionization apparatus |
| 06/08/2004 | US6745903 Methods for the on-line, on-demand preparation of sterile, water-for-injection grade water |
| 06/02/2004 | EP1423197A1 Composite solid material fixing mineral pollutants, method for preparing same and method for fixing pollutants using same |
| 05/27/2004 | US20040102658 For recovering rhodium catalysts from homogeneously catalysed hydroformylation reactions of olefins with carbon monoxide |
| 05/27/2004 | US20040099593 Concurrent dialysate purification cartridge |
| 05/21/2004 | WO2004041432A1 Ion exchange cryptands covalently bound to substrates |
| 05/19/2004 | EP0888157B1 Process for chromatographic separation of peptides and nucleic acid, and new high affinity ion exchange matrix |
| 05/12/2004 | CN1149236C Styrene-containing popcorn polymers, method for producing same and utilization |
| 05/12/2004 | CN1149178C Synthesized chalcoalumite type chemical compound and preparation method thereof |
| 05/06/2004 | EP1414741A2 Methods for making chlorous acid and chlorine dioxide |
| 05/05/2004 | CN1493706A Method for separating/ recovering platinum family metal |
| 04/29/2004 | WO2003025156A9 Methods and apparatuses for purification |
| 04/29/2004 | US20040081606 Removal of mercury using anionic polymer; water pollution control |
| 04/29/2004 | US20040079702 Removal impurities from aqueous solution; adsorption, desorption |
| 04/22/2004 | WO2004033072A1 Apparatus and methods for removing mercury from fluid streams |
| 04/15/2004 | US20040071968 Porous compositions comprising surface modified monoliths |
| 04/15/2004 | US20040069707 Method of isolating a charged compound |
| 04/14/2004 | EP0883428B1 A method of preparing a liquid mixture |
| 04/14/2004 | CN1145587C Method for recovering fluorinated emulsifiers from aqueous phases |
| 04/14/2004 | CN1145514C Method for separation of acid from sugars |
| 04/13/2004 | CA2182397C Endotoxin reduction or removal process |
| 04/08/2004 | WO2004028969A1 Novel anion-exchange materials |
| 04/07/2004 | EP1405671A2 Method of preventing corrosion in a water system |
| 04/07/2004 | CN1487775A Method for producing organic EL apparatus and apparatus for producing organic EL apparatus |
| 04/06/2004 | US6716889 Quaternizing the tertiary amino groups on the polymer to produce hydroxyethyl groups on the nitrogen; fewer impurities upon reaction and with use |
| 03/31/2004 | EP1177226B1 Styrene-containing popcorn polymers, method for producing same and utilisation |
| 03/25/2004 | US20040059065 Polymer containing amino or imino groups crosslinked by a compound having a vinyl group that reacts by michael addition reaction or a carboxy ester group; medicinal phosphorus adsorbers |
| 03/18/2004 | WO2004022611A1 Method for producing monodisperse gel-type ion exchangers |
| 03/18/2004 | WO2003054509A3 Methods and devices for removal of organic molecules from biological mixtures using anion exchange |
| 03/18/2004 | US20040050784 Method for the manufacture of compositions containing low concentrations of salts |
| 03/18/2004 | DE10223338A1 Polymere mit Halogenfunktionen und Verfahren zu deren Herstellung Polymers containing halogen functions and processes for their preparation |
| 03/16/2004 | US6706249 Aluminum magnesium hydroxy sulfate; novel crystal structure; anion exchanger; resin additive; heat insulator |
| 03/16/2004 | US6706193 Method for recovering fluorinated emulsifiers from aqueous phases |
| 03/16/2004 | US6706187 Charged acrylamide polymer to change the effective charge density or hydrophilic/hydrophobic balance on surface of a stationary phase by an external stimulus, such as temperature, while fixing a mobile phase to an aqueous system |
| 03/11/2004 | WO2004020095A1 Ion adsorption module and method for water treatment |
| 03/10/2004 | EP1395600A2 Products containing charged biomaterials and method for the preparation thereof |
| 03/10/2004 | EP1395521A1 Article for deionization of water |
| 03/10/2004 | EP1242816B1 Chromatography material and a method using same |
| 03/09/2004 | US6702943 Contacting liquid with matrix carrying ligands comprising a positively charged structure and hydrophobic structure, desorbing substance |
| 03/04/2004 | WO2004000462A3 Generator for 188re |
| 03/04/2004 | WO2003025004A3 Purified bacterial polypeptides involved in nucleic acid processing |
| 03/02/2004 | US6699913 Process for preparing monodisperse anion exchangers having strongly basic functional groups |
| 02/26/2004 | US20040039070 Strong base quaternary ammonium anion exchange resin and strong acid sulfonated cation exchange resin pretreated respectfully with 10-800 mg of water-soluble sulfonated poly (vinylaromatic)polyelectrolyte and cationic polyelectrolyte |
| 02/26/2004 | US20040037385 Condensate demineralization |
| 02/26/2004 | DE10237601A1 Production of monodisperse gel-type ion exchangers by a seed-feed process using a solution-polymerized seed polymer |
| 02/24/2004 | US6696055 Disinfectant substance comprising an iodine impregnated resin for use in sterilizing a fluid such as water or air |
| 02/19/2004 | WO2003084986A3 Novel purified polypeptides involved in cellular metabolism |
| 02/19/2004 | WO2002068452B1 Method of isolating charged compounds, especially peptides and proteins |
| 02/18/2004 | CN1138598C Use of anion-exchanging mineral capable of reversely binding NO |
| 02/10/2004 | US6689820 Anion exchanger, process for producing same, and its use |
| 02/10/2004 | US6689400 Sovent extracting the dried marigold flower petals, eluting through an anion exchange resin column, diluting the eluent, crystallization; protecting lutein against deterioration, store for long time |
| 02/05/2004 | US20040020857 Method for mixed mode adsorption and mixed mode adsorbents |
| 02/03/2004 | US6686035 As packing materials for liquid chromatography; efficiency |
| 01/29/2004 | WO2003089106A3 Multi-layered macromolecules and methods for their use |
| 01/29/2004 | US20040019125 Ion exchanger for lipoproteins separation and lipoproteins separation method using the same |
| 01/28/2004 | EP1384746A1 Composite porous ion-exchanger, method of manufacturing the ion-exchanger, deionization module using the ion- exchanger, and electric deionized water manufacturing device |