| |
 |
|
Class Information
Number: 521/32
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Ion-exchange polymer or process of preparing > Chemically treated solid polymer > Solid polymer derived from ethylenically unsaturated reactant only > Treated with nitrogen-containing material
Description: Subject matter wherein the solid polymer is chemically treated with a nitrogen-containing material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7435498 |
Polymer electrolyte membranes crosslinked by nitrile trimerization |
Oct. 14, 2008 |
| 7416845 |
pH dependent ion exchange material, solid substrate having the material immobilized on its surface, and method of isolating a nucleic acid using the material or the solid substrate |
Aug. 26, 2008 |
| 7323109 |
Composition comprising metal-ion sequestrant |
Jan. 29, 2008 |
| 7320754 |
Method of preparing multi-modal anion-exchange ligands |
Jan. 22, 2008 |
| 7265159 |
Monodisperse anion exchangers |
Sep. 4, 2007 |
| 7232520 |
Ion exchange porous resins for solid phase extraction and chromatography |
Jun. 19, 2007 |
| 7169822 |
Polymeric actuator |
Jan. 30, 2007 |
| 7098252 |
Preparation of macroreticular polymers |
Aug. 29, 2006 |
| 7094469 |
Porous or non-porous substrate coated with an immobilized polymeric composition having sulfonyl groups and hydrophilic functional groups and process |
Aug. 22, 2006 |
| 7081484 |
Anion exchange membrane, process for its production and solution treating apparatus |
Jul. 25, 2006 |
| 7077964 |
Process for preparing monodisperse ion exchangers having chelating functional |
Jul. 18, 2006 |
| 7067059 |
Generation of ion exchanger media |
Jun. 27, 2006 |
| 7053129 |
Process for preparing monodisperse anion exchangers |
May. 30, 2006 |
| 6919382 |
Preparation and uses of conjugated solid supports for boronic acids |
Jul. 19, 2005 |
| 6911483 |
Ion exchangers |
Jun. 28, 2005 |
| 6881761 |
Porous polymer particle, anion exchanger, producing method thereof, column for ion chromatography, and method for measuring anions |
Apr. 19, 2005 |
| 6864314 |
Block polymers, compositions and methods of use for foams, laundry detergents, shower rinses and coagulants |
Mar. 8, 2005 |
| 6844371 |
Material having separating function |
Jan. 18, 2005 |
| 6841285 |
Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance |
Jan. 11, 2005 |
| 6825386 |
Catalyst for bisphenol compound production and process for producing bisphenol compound with the catalyst |
Nov. 30, 2004 |
| 6759442 |
Packing material for solid phase extraction and solid phase extraction method |
Jul. 6, 2004 |
| 6740684 |
Process for producing a strong-acid cation exchange resin |
May. 25, 2004 |
| 6723758 |
Graft polymeric membranes and ion-exchange membranes formed therefrom |
Apr. 20, 2004 |
| 6699913 |
Process for preparing monodisperse anion exchangers having strongly basic functional groups |
Mar. 2, 2004 |
| 6696385 |
Method of preserving sulfonic acid-type cation-exchange resin modified with thiol-containing amine compound |
Feb. 24, 2004 |
| 6667349 |
Method for producing osmotically and mechanically stable gel-like anion exchangers |
Dec. 23, 2003 |
| 6664328 |
Functionalized elastomers |
Dec. 16, 2003 |
| 6649663 |
Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof |
Nov. 18, 2003 |
| 6632848 |
Heterogeneous anion exchanger |
Oct. 14, 2003 |
| 6627667 |
Process for preparing a modified polymer |
Sep. 30, 2003 |
| 6610753 |
Process for preparing selective ion exchangers |
Aug. 26, 2003 |
| 6582811 |
Method of and material for purification of physical liquids of organism, and method of producing the material |
Jun. 24, 2003 |
| 6569910 |
Ion exchange resins and methods of making the same |
May. 27, 2003 |
| 6534554 |
Multicomponent ion exchange resins |
Mar. 18, 2003 |
| 6509383 |
Methods and compositions for screening cloned proteins |
Jan. 21, 2003 |
| 6465580 |
Functional polymers with carbon-linked functional groups |
Oct. 15, 2002 |
| 6448299 |
Regeneration of strong-base anion-exchange resins by sequential chemical displacement |
Sep. 10, 2002 |
| 6437012 |
Low-swelling, macroporous polymer-supported reagents for organic synthesis and purification |
Aug. 20, 2002 |
| 6432314 |
Anion exchange materials and processes |
Aug. 13, 2002 |
| 6410656 |
Cation exchangers or chelating agents and process for the preparation thereof |
Jun. 25, 2002 |
| 6359019 |
Graft polymeric membranes and ion-exchange membranes formed therefrom |
Mar. 19, 2002 |
| 6329435 |
Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds |
Dec. 11, 2001 |
| 6306488 |
Composite rigid sponge structure |
Oct. 23, 2001 |
| 6303702 |
Method of producing material for purification of physiological liquids of organism |
Oct. 16, 2001 |
| 6248798 |
Anion-exchange resins including ion-exchange groups with at least two nitrogen groups, and methods of making and using same |
Jun. 19, 2001 |
| 6221923 |
Cross-linking of modified engineering thermoplastics |
Apr. 24, 2001 |
| 6156810 |
Solid nucleophilic reagent for conversion of benzylic halogen functionality on polymers to other functionalities |
Dec. 5, 2000 |
| 6143849 |
Synthesis of acrylate and alkyl acrylate monomers and polymers of chelators |
Nov. 7, 2000 |
| 6140543 |
Process for the production of 1,3-propanediol |
Oct. 31, 2000 |
| 6136424 |
Method of and material for purification of physiological liquids of organism, and method of producing the material |
Oct. 24, 2000 |
|
|
|
