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Class Information
Number: 528/298
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 > Fused- or bridged-ring-containing reactant other than solely as cyclic acid anhydride group
Description: Subject matter wherein at least one reactant contains a fused or bridged ring with the proviso that the cyclic anhydride group is not the sole group fused or bridged to another ring.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8712655 Control system for shifting an automatic transmission Apr. 29, 2014
8614280 Method for the continuous production of biodegradable polyesters Dec. 24, 2013
8546515 Processes for producing polycarbonate and molded polycarbonate articles Oct. 1, 2013
8524837 Heat-curing powder-lacquer compositions yielding a matte surface after curing of the coating, as well as a simple method for production of same Sep. 3, 2013
8519085 Coating compositions for containers and methods of coating Aug. 27, 2013
8487041 Unsaturated polyester Jul. 16, 2013
8404335 Laminated film and molded body Mar. 26, 2013
8398600 Prefilled syringe Mar. 19, 2013
8389662 Isosorbide-based polycarbonates, method of making, and articles formed therefrom Mar. 5, 2013
8273849 Isosorbide-based polycarbonates, method of making, and articles formed therefrom Sep. 25, 2012
8258254 Biodegradable resin, biodegradable resin composition, biodegradable molded object, and process for producing biodegradable resin Sep. 4, 2012
8173765 Polymers, uses and methods of manufacture thereof May. 8, 2012
8158745 Polycarbonates having rearrangement structures, cyclic and linear oligomers and also flow behavior Apr. 17, 2012
8129495 Coating compositions for containers and methods of coating Mar. 6, 2012
8114954 Polyester process using a pipe reactor Feb. 14, 2012
8110650 Methods for making molding resins Feb. 7, 2012
8084514 Materials leading to improved dental composites and dental composites made therefrom Dec. 27, 2011
8052894 Salicylate substituted conjugated polymers and devices Nov. 8, 2011
7985826 Molding resins using renewable resource component Jul. 26, 2011
7863405 Removal of residual acetaldehyde from polyester polymer particles Jan. 4, 2011
7842778 Polyester process using a pipe reactor Nov. 30, 2010
7816014 Liquid crystalline polyester and film using the same Oct. 19, 2010
RE41136 Process for preparing 2,6-dialkylnaphthalene Feb. 16, 2010
7541423 Polyester process using a pipe reactor Jun. 2, 2009
7528219 Method for incorporating nitrogen containing methine light absorbers in PET and compositions thereof May. 5, 2009
7514526 Process for preparing a stabilized polyester Apr. 7, 2009
7452927 Aliphatic-aromatic polyesters, and articles made therefrom Nov. 18, 2008
7381787 Polytrimethylene terephthalate having a low level of acrolein and a process for producing the same Jun. 3, 2008
7358325 Sulfonated aromatic copolyesters containing hydroxyalkanoic acid groups and shaped articles produced therefrom Apr. 15, 2008
7358322 High IV melt phase polyester polymer catalyzed with antimony containing compounds Apr. 15, 2008
7332562 Biodegradable linear random copolyester and process for preparing it and use of the same Feb. 19, 2008
7282555 Method for incorporating nitrogen containing methine light absorbers in pet and compositions thereof Oct. 16, 2007
7235623 Polyester compositions for calendering Jun. 26, 2007
7217782 Cooling of pellets from pet solid stating reactor with water May. 15, 2007
7211634 Process for the preparation of polyesters containing 1,4-cyclohexanedimethanol May. 1, 2007
7205379 Process for preparing a stabilized polyester Apr. 17, 2007
7192538 Antistatic composition Mar. 20, 2007
7193029 Sulfonated copolyetherester compositions from hydroxyalkanoic acids and shaped articles produced therefrom Mar. 20, 2007
7189441 Low intrinsic viscosity and low acetaldehyde content polyester, hollow preforms and containers obtained from said polymer Mar. 13, 2007
7173100 Receiving-layer-forming resin for use in thermal-transfer image-receiving sheet and thermal-transfer image-receiving sheet using such a resin Feb. 6, 2007
7157525 Thermoplastic elastomer resin Jan. 2, 2007
7144614 Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester Dec. 5, 2006
7141627 Epoxy resin composition Nov. 28, 2006
7138481 Process for producing polyester resin Nov. 21, 2006
7129301 Method for preparing a biodegradable copolyester Oct. 31, 2006
7115686 Water-dilutable polyester resins Oct. 3, 2006
RE39222 Process for preparing 2,6-dialkylnaphthalene 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
RE38928 Biaxially stretched polyester film for forming container and method of producing the film Jan. 3, 2006
6979719 Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group Dec. 27, 2005

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