| Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521) |
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| 03/18/2004 | US20040053381 Polyhydroxyalkanoates for in vivo applications |
| 03/18/2004 | CA2497792A1 Cyclodextrin-based polymers for therapeutics delivery |
| 03/18/2004 | CA2495895A1 Methods, compositions and libraries pertaining pna dimer and pna oligomer synthesis |
| 03/18/2004 | CA2495700A1 Water-dilutable polyesters with a cyclic imide structure |
| 03/17/2004 | EP1398337A2 Adhesion promoting additive from an unsaturated, amorphous polyester |
| 03/17/2004 | EP1397718A1 Optical fibre |
| 03/17/2004 | EP1397412A1 Method for the production of polybutylene terephthalate |
| 03/17/2004 | EP1251957B1 Batch polycondensation method and a rotating disc reactor therefor |
| 03/17/2004 | CN1483054A Copolyester with high carboxyl end groups and a method for making |
| 03/17/2004 | CN1483049A 不饱和聚酯树脂组合物 Unsaturated polyester resin composition |
| 03/17/2004 | CN1482192A Coating compositions for use with an overcoated photoresist |
| 03/17/2004 | CN1482191A Coating compositions for use with an overcoated photoresist |
| 03/17/2004 | CN1482156A Manufacturing method of polyester chip for manufacturing polyester fiber containing tourmaline |
| 03/17/2004 | CN1482155A Manufacturing method of polyester fiber containing tourmaline |
| 03/17/2004 | CN1482154A Process for producing high viscosity polyester resin having low acetaldehyde content |
| 03/17/2004 | CN1482153A Process for preparing high-molecular aliphatic polyester |
| 03/17/2004 | CN1142196C Process for producing polymers by free radical polymerization and condensation reaction, and apparatus and products related thereto |
| 03/16/2004 | US6706942 Disposable articles, in particular, tampon applicators, which are readily environmentally degradable |
| 03/16/2004 | US6706854 Process for preparing reabsorbable polyesters by mass polymerization |
| 03/16/2004 | US6706852 Alkali metal bis(2-hydroxyethyl) 5-sulfoisophthalate produced from an alkali metal dimethyl 5-sulfoisophthalate in alcohol; copolymerization with terephthalic acid and alkylene glycol; discoloration inhibition; dyeability |
| 03/16/2004 | US6706843 Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste |
| 03/16/2004 | US6706824 Heating, mixing and extrusion of a polyester with the addition of aromatic dicyanate and sterically hindered hydroxyphenyl-alkyl-phosphonic ester or secondary aromatic amine; waste recycling |
| 03/16/2004 | US6706806 Polyester plasticizers for halogen-containing polymers |
| 03/16/2004 | US6706399 Non-blocking polymeric articles |
| 03/16/2004 | US6706396 Processes for producing very low IV polyester resin |
| 03/16/2004 | US6705905 Sea-land-sky craft |
| 03/16/2004 | US6704980 Beam for weaving and sizing method |
| 03/12/2004 | CA2440440A1 Adhesion promoter additive comprising an unsaturated, amorphous polyester |
| 03/11/2004 | WO2004020523A1 Polycarbonate/polyester copolymer blends and process for making thereof |
| 03/11/2004 | WO2004020519A1 Polyester with reduced acetaldehyde content and method using hydrogenation catalyst |
| 03/11/2004 | WO2004020503A1 Method for the production of hyperbranched water-soluble polyesters |
| 03/11/2004 | WO2004020501A1 Process for preparing biocompatible polyurea |
| 03/11/2004 | US20040048749 For use in agricultural industry; controlled release |
| 03/11/2004 | DE10240817A1 Verfahren zur Herstellung hyperverzweigter, wasserlöslicher Polyester Process for the preparation of hyperbranched, water-soluble polyester |
| 03/10/2004 | EP1395858A2 Multilayer birefringent film for polarizing beam splitter |
| 03/10/2004 | EP1395626A1 Peg-poe, peg-poe-peg, and poe-peg-poe block copolymers |
| 03/10/2004 | EP1395624A1 Reduction of friability of poly (trimethylene terephthalate) |
| 03/10/2004 | EP1268572A4 Method for cooling post reactor polyethylene terephthalate flakes |
| 03/10/2004 | EP1137831B1 Method for enhancing the service life of filaments, fibers or foils based on biodegradable polyesters |
| 03/10/2004 | EP0910599B1 Polyester compositions |
| 03/10/2004 | CN1481408A Method for making biodegradable polyhydroxyalkanoate copolymers having improved crystallization properties |
| 03/10/2004 | CN1481406A Polyether ester elastomer comprising polytrimethylene ether ester soft segment and tetramethylene ester hard segment |
| 03/10/2004 | CN1480775A Liquid crystal photoelectric component with compensating coating, and its prepn. process |
| 03/10/2004 | CN1480477A High pertormance thermoplastic polyether ester elastomer with low degree of hardness and high melting point |
| 03/10/2004 | CN1480458A Process for purifying lactide formed through ring-opening polymerization |
| 03/10/2004 | CN1141328C Use of nano grade antimony trioxide as polyester polycondensation catalyst |
| 03/09/2004 | US6703479 Reactor including heated section in which polymerization of polymer solids occurs, section for dispensing solids from reactor, gas inlet for delivering gas to dispenser to heat or cool solids traveling through, gas outlet for withdrawing gas |
| 03/09/2004 | US6703478 Polyester continuous production process |
| 03/09/2004 | US6703477 Acid end group poly(D,L-lactide-co-glycolide) copolymers with high glycolide content |
| 03/09/2004 | US6703474 Using composite oxide catalyst |
| 03/09/2004 | US6703454 Recovering a diol from a fluid stream that results from the preparation of a polyester by use of an adsorption system to selectively recover the diol |
| 03/09/2004 | US6703115 Multilayer films |
| 03/09/2004 | US6703035 Absorbable ε-caprolactone copolymers |
| 03/04/2004 | WO2004018541A1 Continuous process for solid phase polymerisation of polyesters |
| 03/04/2004 | WO2004018540A1 Molding resin and process for production thereof |
| 03/04/2004 | US20040044173 Gas barriers; ultraviolet violet shielding; molding materials |
| 03/04/2004 | US20040044172 Bottles, food and beverage containers; discoloration inhibition, haze-free |
| 03/04/2004 | US20040044171 Method for producing a liquid crystalline polyester and the liquid crystalline polyester |
| 03/04/2004 | US20040044170 Polyester process using a pipe reactor |
| 03/04/2004 | US20040044169 Heat resistance, melt molding |
| 03/04/2004 | US20040044127 Mixture of cellulose and organometallic polymer |
| 03/04/2004 | US20040043234 Light management films and articles thereof |
| 03/03/2004 | EP1394191A1 Process for preparing biocompatible polyurea |
| 03/03/2004 | EP1392752A1 Use of zinc derivatives as cyclic ester polymerisation catalysts |
| 03/03/2004 | EP1392751A1 Biodegradable copolymers linked to segment with a plurality of functional groups |
| 03/03/2004 | EP1392750A1 Solid epoxidic cycloaliphatic hydroxylate resins, preparation process, and compositions of hardenable powderbase paints containing the said resins |
| 03/03/2004 | EP1392572A1 Soft packaging bag for liquid food |
| 03/03/2004 | CN2605260Y Apparatus for preparing poly-lactic-acid by divet condensation polymerization of lactic acid |
| 03/03/2004 | CN1479761A Adsorber system to replace water column in polyester process |
| 03/03/2004 | CN1140563C Method for preparing polybutylene terephthalate |
| 03/03/2004 | CN1140562C Formaldehyde-free, accelerated cure aqueous composition for bonding glass fiber heat-resistant nonwovens, and its cure method and use |
| 03/03/2004 | CN1140561C Method of processing residue containing dihydroxy compounds |
| 03/02/2004 | US6699945 Polycarboxylic acid based co-binder |
| 03/02/2004 | US6699545 Using zinc p-toluenesulfonic acid polymerization catalyst |
| 02/26/2004 | WO2004016701A1 Waterborne homo or copolymer dispersion |
| 02/26/2004 | WO2004016673A1 Liquid crystal polymers |
| 02/26/2004 | WO2004016426A1 Durable polyester coating |
| 02/26/2004 | WO2003002490A3 Photocrosslinking of diethyl fumarate/poly(propylene fumarate) biomaterials |
| 02/26/2004 | US20040039137 Method for producing meltable polyesters |
| 02/26/2004 | US20040039136 Addition condensation copolymers, having chemical resistance, used as binders for agglomeration of marble, granite, quartz or stone powders |
| 02/26/2004 | US20040039087 Unsaturated polyester compounds, resins curable with actinic energy ray, processes for the production thereof, and curable compositions |
| 02/26/2004 | US20040037778 Iodinated and/or brominated derivatives of aromatic dihydroxy monomers are prepared and polymerized to form radio-opaque polymers. The monomers may also be copolymerized with other dihydroxy monomers. The iodinated and brominated aromatic |
| 02/26/2004 | DE69627984T2 Herstellung von polyethylenterephtalat Production of polyethylene terephthalate |
| 02/26/2004 | DE10337522A1 Preparation of polyester, useful as packaging or constructional material or fiber, using metal complex as catalyst, does not require solid-phase polycondensation step |
| 02/26/2004 | DE10237195A1 Polyesterpolyols having cyclic imide and isocyanurate groups are useful in two component or one component coating compositions for auto repair, vehicle coating or general industrial coating |
| 02/26/2004 | DE10237194A1 Polyesterpolyols having cyclic imide groups are useful in two component or one component coating compositions for auto repair, vehicle coating or general industrial coating |
| 02/26/2004 | CA2493861A1 Durable polyester coating |
| 02/25/2004 | EP1390424A1 N-alkylaziridine prepolymers as a dental material |
| 02/25/2004 | EP1390423A2 Stretchable liquid crystal polymer composition |
| 02/25/2004 | EP1263863B1 Process for preparing a branched polymer |
| 02/25/2004 | EP1222164B1 Process for the production of 5-sulfo isophthalate bis-glycolate ester metal salts and oxysulfonated polyesters made therefrom |
| 02/25/2004 | EP1045855B1 Lower alkyl alcohol recovery from a stripping mixture |
| 02/25/2004 | EP0850261B1 Polymers having improved processability |
| 02/25/2004 | CN1478116A Titanium/zirconium catalysts and use thereof for production of esters or polyesters |
| 02/25/2004 | CN1478115A Method for continuous production of polyesters or copolyesters |
| 02/25/2004 | CN1478114A Low melt viscosity amorphous copolyesters having resistance to lipids |
| 02/25/2004 | CN1139634C Soldifiable composition based on polymer containing free carboxy |
| 02/24/2004 | US6696543 Polyester polycarbonates of particular diphenols |
| 02/24/2004 | US6696521 High performance ortho UPR |
| 02/24/2004 | US6696500 Bioactive substance having acidic group and a biodegradable polymer having an optionally protected basic group, such as a polylactone that has been esterified, amidated, or thioesterified with a compound having cyclic amino groups |