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| Number | Title | Issue Date |
| 8168727 | Polyester resin, production process therefor, and biaxially oriented polyester film comprising the polyester resin A polyester resin having excellent dimensional stability against environmental changes and excellent dimensional stability in the processing step while having excellent moldability and a biaxially oriented polyester film comprising the same. The polyester resin comp... | 05/01/2012 |
| 8158731 | Biopolymer compositions having improved flexibility The present disclosure is directed to polymer blends comprising a biopolymer and a substituted or unsubstituted aliphatic polyester. The aliphatic polyester comprises repeating units derivable from a substituted or unsubstituted aliphatic diacid, repeating units der... | 04/17/2012 |
| 8143355 | Polymer compound and method of synthesizing the same Provided is a polymer compound having a furan ring having a degree of polymerization of 185 or more and 600 or less. This polymer compound has excellent mechanical strength (flexural strength). ... | 03/27/2012 |
| 8138272 | Preparation of polymer conjugates of therapeutic, agricultural, and food additive compounds This invention provides an improved synthesis of polymer conjugates of formula (I), of agricultural, therapeutic, and food additive compounds. In particular, a process is described for the preparation of conjugates by treat... | 03/20/2012 |
| 8129478 | Polyester anhydride-based biopolymers Biodegradable polymers formed from biodegradable polyester-based prepolymers, to which ring-structured anhydrides which have different hydrophobicities have been connected, and which are either coupled to form linear thermoplastic polyester anhydrides or cross-linke... | 03/06/2012 |
| 8097685 | Dendritic polymer, method for producing the same, and thermoplastic resin composition The present invention is directed to a hyperbranched-polyester comprising at least one kind of a structural unit selected from an aromatic oxycarbonyl unit (P), aromatic and/or aliphatic dioxy units (Q), and an aromatic dicarboxy unit (R), and a trifunctional or hig... | 01/17/2012 |
| 8013078 | Heterodiamondoids This invention is related to heteroatom containing diamondoids (i.e., “heterodiamondoids”) which are compounds having a diamondoid nucleus in which one or more of the diamondoid nucleus carbons has been substitutionally replaced with a noncarbon atom. These hete... | 09/06/2011 |
| 7989555 | Glycerol derivatives and methods of making same Symmetrical polyols, polyol esters, polyesters, polyurethanes, triazoles, and polyvinylethers derived from glycerol and methods of making the symmetrical polyols, polyesters, polyurethanes, polyhydroxyvinylethers and triazoles are discussed. Also provided is a metho... | 08/02/2011 |
| 7981975 | Heterodiamondoids This invention is related to heteroatom containing diamondoids (i.e., “heterodiamondoids”) which are compounds having a diamondoid nucleus in which one or more of the diamondoid nucleus carbons has been substitutionally replaced with a noncarbon atom. These hete... | 07/19/2011 |
| 7968657 | Thermoplastic polyhydroxyalkanoate compounds A thermoplastic compound is disclosed, comprising polyhydroxyalkanoate and macrocyclic poly(alkylene dicarboxylate) oligomer. Optionally the compound also includes additional polymers and functional additives to modify physical properties of the compound. Molded or ... | 06/28/2011 |
| 7968656 | Absorbable copolyesters of poly(ethoxyethylene diglycolate) and glycolide A semi-crystalline, absorbable copolyester composition comprising the reaction product of a polycondensation polyester and at least one lactone, wherein the polycondensation polyester comprises the reaction product of diglycolic acid and/or a derivative thereof and ... | 06/28/2011 |
| 7897699 | Synthesis of purified, partially esterified polyol polyester fatty acid compositions This invention relates to processes for the production of purified, partially esterified polyol fatty acid polyesters and the compositions derived from those processes. The purified, partially esterified polyol fatty acid polyesters of the present invention are part... | 03/01/2011 |
| 7872078 | Curable film-forming compositions demonstrating self-healing properties The present invention is directed to curable film-forming compositions comprising: (a) a polymeric binder comprising a polyester having hydroxyl functional groups; and (b) a curing agent comprising a polyisocyanate... | 01/18/2011 |
| 7838602 | Weatherable, thermostable polymers having improved flow composition A multilayer article comprises a substrate layer, and a coating layer in contiguous superposed contact with the substrate layer, the coating layer comprising a thermostable, weatherable polymer comprising structural units derived from at least one 1,3-dihydroxybenze... | 11/23/2010 |
| 7790812 | Epoxy resin curing agent produced by heating anhydride and polyester in presence of hydrogen and hydrogenation catalyst The present invention relates to a process for producing an acid anhydride-based epoxy resin curing agent, an acid anhydride-based epoxy resin curing agent, an epoxy resin composition, and a cured product and optical semiconductor device using the same. The process ... | 09/07/2010 |
| 7649056 | Heterodiamondoids This invention is related to heteroatom containing diamondoids (i.e., “heterodiamondoids”) which are compounds having a diamondoid nucleus in which one or more of the diamondoid nucleus carbons has been substitutionally replaced with a noncarbon atom. These hete... | 01/19/2010 |
| 7645839 | Binary mixtures of biodegradable aliphatic polyesters and products obtained from these A biodegradable mixture obtained by melt mixing polyesters comprising (A) an aliphatic polyester obtained from aliphatic diacids selected from the group consisting of azelaic acid, sebacic acid, brassilic acid, mixtures thereof and mixtures of said acids with alipha... | 01/12/2010 |
| 7592398 | Flexible polymer coating and coated flexible substrates A coating composition comprising a first component having a first polyester polyol having a first functionality, and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality, and a second compo... | 09/22/2009 |
| 7544746 | Hyperbranched polymers A process for preparing a hyperbranched polymer having a weight-average molar mass of at least 30,000, includes coupling a first prepolymer having at least three functional end groups with a second prepolymer having at least two functional end groups by a dehydratio... | 06/09/2009 |
| 7462672 | Polymer alloy A polymer alloy of polyphenylene sulfide resin and a polyester resin with polyethylene terephthalate as a main component, and forming a co-continuous structure with a wavelength of concentration fluctuation of 0.001 to 1 μm or a dispersed structure with a distance ... | 12/09/2008 |
| 7442427 | Coextruded, hot-sealable and peelable polyester film, process for its production and its use This invention relates to coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the heatsealable and peelable top layer (A) consisting of a) 80-98% b... | 10/28/2008 |
| 7435789 | Crystalline high-compliance glycolide copolymers and applications thereof The present invention is directed toward an absorbable crystalline segmented copolymer comprising a polyalkylene succinate segment end-grafted in a single-step with a mixture of monomers comprising caprolactone, l-lactide, and/or glycolide. The present invention is ... | 10/14/2008 |
| 7425594 | Copolymer of glycidyl ester and/or ether with polyol A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X ... | 09/16/2008 |
| 7399518 | Polyester film The present invention provides a polyester film superior in heat resistance, chemical resistance, insulation property and thermal dimensional stability, and suitable for application to fields associated with boiling or retort treatment, which require tenacity, pinho... | 07/15/2008 |
| 7396578 | Adhesion-promoted , heatsealable and peelable polyester film, process for its production and its use Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 60 to 99% by weight of polyester and ... | 07/08/2008 |
| 7393590 | Biodegradable poly(lactic acid) polymer composition and films, coatings and products comprising Biodegradable poly(lactic acid) polymer compositions The present invention relates to biodegradable polymer compositions comprising poly(lactic acid) and poly(epsilon caprolactone) and co-polyester polymer with adipic acid mixed with organic peroxide and magnesium silicate minerals. In addition, the present invention ... | 07/01/2008 |
| 7388067 | Polyester composition comprising polybutylene terephthalate resin Polyester compositions and methods to prepare and use such compositions are provided. The polyester compositions include a polybutylene terephthalate resin (PBT) and at least one additive, and have a cyclic dimer content of less than 0.35 wt. % relative to the weigh... | 06/17/2008 |
| 7384690 | Biaxially oriented thermoplastic resin film In order to provide a film having excellent heat resistance, thermal dimensional stability, and mechanical properties, in particular, a film capable of satisfying required properties, e.g., higher strength in accordance with the reduction in thickness of a base film... | 06/10/2008 |
| 7375166 | Polymeric blends for optical devices and method of manufacture thereof A method for manufacturing a film or sheet comprises deforming a polymeric alloy at a temperature effective to impart to the deformed alloy a birefringence retardation of greater than or equal to about 750 nanometers. A method eliminating comets and veins in an opti... | 05/20/2008 |
| 7371455 | Laminates and packaging containers A laminate has a core layer and a skin layer on either side of the core layer, wherein the skin layer is formed of a copolymer having a glass transition point of 85° C. or more and 115° C. or below and consisting of 2,6-naphthalene dicarboxylic acid or its lower a... | 05/13/2008 |
| 7368169 | Hydrazide compounds with angiogenic activity Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(═O)—R2—P—R1 (I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, l... | 05/06/2008 |
| 7368503 | Compatibilized blends of biodegradable polymers with improved rheology This invention relates to a blend of biodegradable polymers comprising: (A) about 5% to about 95% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C., (B) about 5% to about 95% by we... | 05/06/2008 |
| 7368511 | Polymer blends with improved rheology and improved unnotched impact strength This invention relates to a blend of biodegradable polymers comprising: (A) about 15% to about 60% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C., (B) about 85% to about 40% by ... | 05/06/2008 |
| 7365133 | Blends of poly(ester amide) polymers Provided herein is a poly(ester amide) (PEA) polymer blend and coatings and medical devices formed of the blend. ... | 04/29/2008 |
| 7361715 | Polymer additives for powder coatings Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating... | 04/22/2008 |
| 7361727 | Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic ester monomer, each containing less than 100-ppm water and having an acid... | 04/22/2008 |
| 7361408 | Molded resin object, electronic instrument using the same, and method of processing a molded resin object A molded resin object including a molded substrate containing a biodegradable resin and an applied coating formed on a surface of the molded substrate is disclosed, wherein the applied coating contains a proliferation accelerating agent for accelerating proliferatio... | 04/22/2008 |
| 7361701 | Aliphatic polyester composition, a molded article thereof and a method for controlling biodegradation rate using the same composition A biodegradable plastic composition which can be stably adjusted in biodegradation rate, and has greatly improved resistance to hydrolysis and weather, in particular the former, and durability resulting from the improved resistances; a molded article thereof; and a ... | 04/22/2008 |
| 7358322 | High IV melt phase polyester polymer catalyzed with antimony containing compounds A melt phase process for making a polyester polymer melt phase product by adding an antimony containing catalyst to the melt phase, polycondensing the melt containing said catalyst in the melt phase until the It.V. of the melt reaches at least 0.75 dL/g. Polyester p... | 04/15/2008 |
| 7358325 | Sulfonated aromatic copolyesters containing hydroxyalkanoic acid groups and shaped articles produced therefrom Sulfonated aromatic copolyesters and articles made therefrom, and processes for producing the sulfonated aromatic copolyesters and articles are provided. Articles that can be made from the sulfonated aromatic copolyesters include films, coatings and laminates. Some ... | 04/15/2008 |
