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Class Information
Number: 521/33
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 sulfur-containing material
Description: Subject matter wherein the solid polymer is chemically treated with a sulfur-containing material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7435498 |
Polymer electrolyte membranes crosslinked by nitrile trimerization |
Oct. 14, 2008 |
| 7368505 |
Graft copolymers |
May. 6, 2008 |
| 7361729 |
Ion-conducting sulfonated polymeric materials |
Apr. 22, 2008 |
| 7320754 |
Method of preparing multi-modal anion-exchange ligands |
Jan. 22, 2008 |
| 7307127 |
Highly sulfonated block copolymer hydrogels and uses thereof |
Dec. 11, 2007 |
| 7294685 |
Sulfonated polyphosphazene derivative and method for producing the same |
Nov. 13, 2007 |
| 7265159 |
Monodisperse anion exchangers |
Sep. 4, 2007 |
| 7232520 |
Ion exchange porous resins for solid phase extraction and chromatography |
Jun. 19, 2007 |
| 7229553 |
Method for producing a membrane made of bridged polymer and a fuel cell |
Jun. 12, 2007 |
| 7094469 |
Porous or non-porous substrate coated with an immobilized polymeric composition having sulfonyl groups and hydrophilic functional groups and process |
Aug. 22, 2006 |
| 7077964 |
Process for preparing monodisperse ion exchangers having chelating functional |
Jul. 18, 2006 |
| 7071240 |
Carboxylic cationites and methods of manufacture |
Jul. 4, 2006 |
| 7067059 |
Generation of ion exchanger media |
Jun. 27, 2006 |
| 7037950 |
Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom |
May. 2, 2006 |
| 6924317 |
Process for producing coarse-particle anion-exchanger gels |
Aug. 2, 2005 |
| 6924318 |
Method for making a bipolar membrane and use of resulting bipolar membrane |
Aug. 2, 2005 |
| 6919382 |
Preparation and uses of conjugated solid supports for boronic acids |
Jul. 19, 2005 |
| 6914084 |
Membranes containing sulfonated polyetherketone and another polymer, method for the production and use thereof |
Jul. 5, 2005 |
| 6844371 |
Material having separating function |
Jan. 18, 2005 |
| 6790553 |
Method for producing bridged polymer membrane and fuel cell |
Sep. 14, 2004 |
| 6784213 |
Method for preparation of strong acid cation exchange resins |
Aug. 31, 2004 |
| 6774150 |
Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom |
Aug. 10, 2004 |
| 6765027 |
Ion-exchange materials with improved ion conductivity |
Jul. 20, 2004 |
| 6759442 |
Packing material for solid phase extraction and solid phase extraction method |
Jul. 6, 2004 |
| 6750259 |
Process for preparing gel-type cation exchangers |
Jun. 15, 2004 |
| 6740684 |
Process for producing a strong-acid cation exchange resin |
May. 25, 2004 |
| 6730816 |
High productivity bisphenol-A catalyst |
May. 4, 2004 |
| 6723758 |
Graft polymeric membranes and ion-exchange membranes formed therefrom |
Apr. 20, 2004 |
| 6696385 |
Method of preserving sulfonic acid-type cation-exchange resin modified with thiol-containing amine compound |
Feb. 24, 2004 |
| 6680346 |
Phosphorus atom-containing fluorinated cation exchange membrane and proton conduction type fuel cell using the same |
Jan. 20, 2004 |
| 6649070 |
Method for utilizing sulfuric acid/peroxide liquid mixture |
Nov. 18, 2003 |
| 6649663 |
Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof |
Nov. 18, 2003 |
| 6646017 |
Process for the preparation of low-bleeding cation exchangers |
Nov. 11, 2003 |
| 6632847 |
Polymer composition, membrane containing said composition, method for the production and uses thereof |
Oct. 14, 2003 |
| 6624206 |
Process for the preparation of free-flowing strongly acidic cation exchangers |
Sep. 23, 2003 |
| 6602968 |
Free radical polymerization method for fluorinated copolymers |
Aug. 5, 2003 |
| 6569910 |
Ion exchange resins and methods of making the same |
May. 27, 2003 |
| 6534554 |
Multicomponent ion exchange resins |
Mar. 18, 2003 |
| 6531519 |
Antimicrobial synthetic ion exchange resins |
Mar. 11, 2003 |
| 6486222 |
Combination ion exchange resin bed for the synthesis of bisphenol A |
Nov. 26, 2002 |
| 6465580 |
Functional polymers with carbon-linked functional groups |
Oct. 15, 2002 |
| 6437011 |
.alpha.,.beta., .beta.-trifluorostyrene-based composite membranes |
Aug. 20, 2002 |
| 6432314 |
Anion exchange materials and processes |
Aug. 13, 2002 |
| 6420439 |
Crosslinked, non-swellable ampholytic base resins |
Jul. 16, 2002 |
| 6410656 |
Cation exchangers or chelating agents and process for the preparation thereof |
Jun. 25, 2002 |
| 6399235 |
Polymer electrolyte membrane assembly for fuel cells |
Jun. 4, 2002 |
| 6384092 |
Process for the preparation of free-flowing strongly acidic cation exchangers |
May. 7, 2002 |
| 6359019 |
Graft polymeric membranes and ion-exchange membranes formed therefrom |
Mar. 19, 2002 |
| 6329556 |
Process for preparing bisphenol A |
Dec. 11, 2001 |
| 6329435 |
Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds |
Dec. 11, 2001 |
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