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Class Information
Number: 528/295
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From carboxylic acid or derivative thereof > From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof > Sulfur-containing reactant > Sulfur-containing aryl compound
Description: Subject matter wherein at least one reactant contains at least one atom of sulfur and at least one aromatic ring.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8710176 Method for producing a sulfonated polyarylether block copolymer Apr. 29, 2014
8609783 Articles having improved gas barrier properties Dec. 17, 2013
8580872 Sulfopolyester polymer compositions with improved water dispersibility Nov. 12, 2013
8519081 Polysulfone polymers and related polymer electrolyte membranes and fuel cells Aug. 27, 2013
8512519 Sulfopolyesters for paper strength and process Aug. 20, 2013
8487070 Sulfonated poly(arylene ether) having crosslinkable moiety combined in chain of polymer, sulfonated poly(arylene ether) having crosslinkable moieties combined in polymer and at polymer end gro Jul. 16, 2013
8420767 Polyarlene-based polymer, preparation method for the same, and polymer electrolyte membrane for fuel cell using the polymer Apr. 16, 2013
8349905 Proton-conducting polymer and uses thereof Jan. 8, 2013
8344091 Polymer and membrane-electrode assembly for fuel cell, and fuel cell system including the same Jan. 1, 2013
8334358 Sulfonated poly(arylene ether) copolymers and related polymer electrolyte membranes and fuel cells Dec. 18, 2012
8324338 Oligomer removing agent for polyester-based fiber material Dec. 4, 2012
8288500 Sulfonated poly(arylene ether) copolymers and related polymer electrolyte membranes and fuel cells Oct. 16, 2012
8222367 Polymers for use in fuel cell components Jul. 17, 2012
8163864 Sulfonated polyarylene compounds, membrane material made therefrom, method for the production thereof and use Apr. 24, 2012
8163385 Water-dispersible and multicomponent fibers from sulfopolyesters Apr. 24, 2012
8133592 Laminated adhesive thermoplastic resin film Mar. 13, 2012
8084568 Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof Dec. 27, 2011
8012571 Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units Sep. 6, 2011
7947800 Poly(aryl ether) with pendent sulfonic acid phenyl groups May. 24, 2011
7923526 Sulfopolyesters having improved clarity in water-dispersible formulations and products made therefrom Apr. 12, 2011
7834127 Amorphous copolyesters Nov. 16, 2010
7709594 Polyester resin compositions, catalyst for polyester production, polyester film, and magnetic recording medium May. 4, 2010
7700187 Polyester film with hydrophilic coating Apr. 20, 2010
7638590 Polyhydroxyalkanoate having amide, sulfonic acid or sulfonate ester group, charge control agent and toner Dec. 29, 2009
7635745 Sulfopolyester recovery Dec. 22, 2009
7625994 Sulfonated aliphatic-aromatic copolyetheresters Dec. 1, 2009
7521126 Readily bondable polyester film optical use and laminated polyester film for optical use Apr. 21, 2009
7452927 Aliphatic-aromatic polyesters, and articles made therefrom Nov. 18, 2008
7425432 Polyhydroxy alkanoate copolymer including within molecule unit having vinyl group or carboxyl group in side chain, and producing method therefor Sep. 16, 2008
7408017 Polyhydroxyalkanoate containing unit with phenylsulfanyl structure in the side chain, process for its production, charge control agent, toner binder and toner which contain novel polyhydroxyal Aug. 5, 2008
7358323 Water-soluble flame-retardant polyester resin, resin composition containing the resin, and fiber product treated with the resin composition Apr. 15, 2008
7144974 Polyester production method, polyester composition, and polyester fiber Dec. 5, 2006
7115686 Water-dilutable polyester resins Oct. 3, 2006
7084213 Compositions adapted for chain linking Aug. 1, 2006
7052764 Shaped articles comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate with improved stability May. 30, 2006
7045321 POLYHYDROXYALKANOATE CONTAINING UNIT WITH PHENYLSULFANYL STRUCTURE IN THE SIDE CHAIN, PROCESS FOR ITS PRODUCTION, CHARGE CONTROL AGENT, TONER BINDER AND TONER WHICH CONTAIN NOVEL POLYHYDROXYAL May. 16, 2006
6998462 Polyester process Feb. 14, 2006
6984675 Formaldehyde-free binder compositions for simultaneous warp sizing and coloration of filament yarns Jan. 10, 2006
6916919 Isolation of DNA molecules Jul. 12, 2005
6911521 Polyhydroxyalkanoate that comprises unit having substituted or unsubstituted (phenylmethyl) sulfanyl structure in side chain thereof and process for producing the same Jun. 28, 2005
6878757 Antimicrobial suture coating Apr. 12, 2005
6872461 Matt, flame-retardant, co-extruded polyester film, a method for the production thereof and the use of the same Mar. 29, 2005
6872460 Matt, UV-stable, Thermoformable, co-extruded polyester film, a method for the production thereof and the use of the same Mar. 29, 2005
6869782 Polyhydroxyalkanoate that comprises unit having (methylsulfanyl) phenoxy structure in side chain thereof and process for producing the same Mar. 22, 2005
6861468 Polyester resin composition Mar. 1, 2005
6828010 Laminated polyester film Dec. 7, 2004
6818293 Stabilized polyester fibers and films Nov. 16, 2004
6797394 Polyester resin intermediate compositions and preparation and uses thereof Sep. 28, 2004
6787245 Sulfonated aliphatic-aromatic copolyesters and shaped articles produced therefrom Sep. 7, 2004
6746779 Sulfonated aliphatic-aromatic copolyesters Jun. 8, 2004

1 2 3 4 5 6 7










 
 
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