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Class Information
Number: 528/486
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Treating polymer containing material or treating a solid polymer or a resinifiable intermediate condensation product > Contacting with carboxylic acid, salt, or anhydride thereof
Description: Processes wherein a polymer-containing material is contacted with a carboxylic acid, a carboxylic acid salt, or a carboxylic acid anhydride.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8702852 Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide Apr. 22, 2014
8691919 Poly(ethylene oxide) functionalization Apr. 8, 2014
8691936 Initiator Apr. 8, 2014
8669344 Method of deashing from polymer solutions Mar. 11, 2014
8658760 Formulations based on anionically stabilised, aqueous polymer dispersions Feb. 25, 2014
8653223 Transketalized compositions, synthesis, and applications Feb. 18, 2014
8653150 Method for decomposing thermoset resin and recovering decomposition product Feb. 18, 2014
8568705 Method for preparing branched functionalized polymers using branched polyol cores Oct. 29, 2013
8501875 Surface induced ring-opening polymerization and medical devices formed therefrom Aug. 6, 2013
8501904 Method for producing polyols Aug. 6, 2013
8487071 Polyether polymer and production process thereof Jul. 16, 2013
8481671 Oxymethylene polymers and process for the preparation thereof Jul. 9, 2013
8461295 Methods for preparing polymeric reagents and compositions of polymeric reagents Jun. 11, 2013
8389673 Aryl ether oligomers and process for making aryl ether oligomers Mar. 5, 2013
8354476 Functionalized poly(ether-anhydride) block copolymers Jan. 15, 2013
8338562 Biocompatible, non-biodegradable, non-toxic polymer useful for nanoparticle pharmaceutical compositions Dec. 25, 2012
8283438 Functionalized polymers using protected thiols Oct. 9, 2012
8263733 Application of coil tube evaporators for the production of polyamides Sep. 11, 2012
8252197 Agent for processing polyurethane elastomer fibers Aug. 28, 2012
8247523 Methods for producing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds, the purified monomers, and polymers derived therefrom Aug. 21, 2012
8236367 Method of chemically modifying polymer surfaces intended for immobilizing molecules Aug. 7, 2012
8215495 High molecular weight poly(2,6-dimethyl-1,4-phenylene ether) and process therefor Jul. 10, 2012
8202964 Initiator Jun. 19, 2012
8193264 Thermoplastic resin composition and molded article thereof Jun. 5, 2012
8193306 Methods for preparing polymeric reagents and compositions of polymeric reagents Jun. 5, 2012
8153746 Modified vegetable oil-based polyols Apr. 10, 2012
8143371 Preparation of polytrimethylene ether glycol or copolymers thereof Mar. 27, 2012
8097696 Method for preparing multi-arm poly(ethylene glycol) chlorides Jan. 17, 2012
8084572 Segmented polymers and their conjugates Dec. 27, 2011
8030364 Polyols and polyurethanes, polyurethaneforms using the same Oct. 4, 2011
8025158 High molecular weight poly(2,6-dimethyl-1,4-phenylene ether) and process therefor Sep. 27, 2011
8013111 Removal of catalyst and/or cocatalyst residues in a polyolefin manufacturing process Sep. 6, 2011
8008430 High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors Aug. 30, 2011
8008422 Curable resin composition Aug. 30, 2011
7999061 Catalytic lactide and glycolide (co)polymerization system Aug. 16, 2011
7994268 Cardanol based dimers and uses therefor Aug. 9, 2011
7988953 UV absorbing chromophores covalently bonded to hyperbranched polymers Aug. 2, 2011
7951878 Halogen-free flameproof epoxy resin formulations May. 31, 2011
7928184 Unstable terminal group decomposer, and stabilized polyacetal resin, manufacturing method, composition and molded article using the same Apr. 19, 2011
7915441 Oligophosphazene compound Mar. 29, 2011
7906615 Process for hydrolyzing polyphosphoric acid in a spun yarn Mar. 15, 2011
7906613 Process for removing cations from polyareneazole fiber Mar. 15, 2011
7906614 Polymer catalyst deactivation and acid neutralization using ionomers Mar. 15, 2011
7902324 Initiator Mar. 8, 2011
7902316 Polyethersulfone composition, method of making and articles therefrom Mar. 8, 2011
7897719 Catalyst and process for the polymerization of cyclic ethers Mar. 1, 2011
7897696 Process for the preparation of polyalkenyl succinic anhydrides Mar. 1, 2011
7888457 Process for removing phosphorous from a fiber or yarn Feb. 15, 2011
7868132 Method for preparing multi-arm poly (ethylene glycol) amines Jan. 11, 2011
7847056 Method for producing fluorine-containing (meth)acrylate polymer and polymer produced by such method Dec. 7, 2010

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