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Class Information
Number: 528/493
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 organic material > Aldehyde or ketone
Description: Processes wherein the organic compound is an aldehyde or ketone.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8691919 Poly(ethylene oxide) functionalization Apr. 8, 2014
8653223 Transketalized compositions, synthesis, and applications Feb. 18, 2014
8603681 Porous film material comprising at least one carbonaceous semimetal oxide phase, and use thereof as a separator material for electrochemical cells Dec. 10, 2013
8580917 Method of purifying block copolymers Nov. 12, 2013
8546455 Expanded polystyrene solubilization method Oct. 1, 2013
8461296 Method for mechanical stabilization of nitrogen-containing polymers Jun. 11, 2013
8435382 High solids glyoxalated polyacrylamide May. 7, 2013
8420702 Process for recycling articles based on a fiber reinforced polymer Apr. 16, 2013
8383764 Method of purifying block copolymers Feb. 26, 2013
8304515 Process for the purification of polyol PFPE derivative Nov. 6, 2012
8288506 Conductive material and manufacturing method thereof Oct. 16, 2012
8183336 Poly (arylene sulfide) May. 22, 2012
8138232 Method for recycling plastic materials and use thereof Mar. 20, 2012
8088863 Organic-solvent dispersion of fine polysilsesquioxane particle, process for producing the same, aqueous dispersion of fine polysilsesquioxane particle, and process for producing the same Jan. 3, 2012
8076447 Poly (arylene sulfide) and production process thereof Dec. 13, 2011
7932346 Synthetic rubber with narrow molecular weight distribution, a process for its preparation and a method of use Apr. 26, 2011
7928184 Unstable terminal group decomposer, and stabilized polyacetal resin, manufacturing method, composition and molded article using the same Apr. 19, 2011
7893195 Method for recovering a polymer from a liquid medium Feb. 22, 2011
7754848 Poly (arylene sulfide) and production process thereof Jul. 13, 2010
7655748 Poly(arylene sulfide) and production process thereof Feb. 2, 2010
7638597 Removal of metal contaminants from polyethylene Dec. 29, 2009
7569658 Process for the solvent treatment of a plastic Aug. 4, 2009
7491791 Method for producing submicron polytetrafluoroethylene powder and products thereof Feb. 17, 2009
7459520 Poly(arylene ether) and an apparatus for producing the same Dec. 2, 2008
7439318 Method for trace water analysis in cyclic siloxanes useful as precursors for low dielectric constant thin films Oct. 21, 2008
7378266 Process for the solvent-based extraction of polyhydroxyalkanoates from biomass May. 27, 2008
7259231 Extraction and fractionation of biopolymers and resins from plant materials Aug. 21, 2007
7189795 Poly(arylene ether)s bearing grafted hydroxyalkyls for use in electrically conductive adhesives Mar. 13, 2007
7183372 Preparation of ketone-formaldehyde resins Feb. 27, 2007
7179878 Poly(arylene ether) polymer with low temperature or UV crosslinking grafts and dielectric comprising the same Feb. 20, 2007
7151158 Method of preparing a poly(arylene ether), apparatus therefor, and poly(arylene ether) prepared thereby Dec. 19, 2006
7148320 Polymer purification Dec. 12, 2006
7094867 Method of continuously cleansing polyarylene sulfide Aug. 22, 2006
7049394 Method for preparing free flow resin May. 23, 2006
7041772 Method for producing benzoxazine resin May. 9, 2006
7041780 Methods of preparing a polymeric material composite May. 9, 2006
7026433 Continuous bioreactor process for the preparation of polyester cyclic oligomers Apr. 11, 2006
6979720 manufacture of certain cyclic ester oligomers Dec. 27, 2005
6936685 Method for isolating polyorganosiloxanes Aug. 30, 2005
6906168 Process for fractionation/concentration to reduce the polydispersivity of polymers Jun. 14, 2005
6787633 Method and apparatus for preparing a poly(arylene ether) Sep. 7, 2004
6774157 Biocompatible medical devices with polyurethane surface Aug. 10, 2004
6764986 Process for producing particles of amine reaction products Jul. 20, 2004
6762221 Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids Jul. 13, 2004
6670444 Processes for synthesizing borohydride compounds Dec. 30, 2003
6657003 Cell adhesion solution Dec. 2, 2003
6649734 Curable coating compositions having improved compatibility and scratch and mar resistance, cured coated substrates made therewith and methods for obtaining the same Nov. 18, 2003
6593451 Method of processing polyacrylonitrile Jul. 15, 2003
6552163 Method for fractioning poly (ethylene oxide) formed using a metallic cyanide catalyst Apr. 22, 2003
6518395 Method for producing reactive coating powder compositions Feb. 11, 2003

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