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| Number | Title | Issue Date |
| 8022169 | Aliphatic copolyesters and method of preparing the same A method of preparing an aliphatic copolyester by mixing a first compound defined by the equation: and a catalyst, and adding a second compound defined by and a lactide, wherein t... | 09/20/2011 |
| 7960496 | Method for preparing polymer polyol stabilizer using maleic anhydride, and polymer polyol stabilizer prepared thereby Disclosed herein is a novel stabilizer for preparing a polymer polyol, which is used to prepare polyurethane foam having improved physical properties. The stabilizer is prepared by allowing maleic anhydride to react with a polyether polyol, having an OH functionalit... | 06/14/2011 |
| 7332548 | Process for production of a polyester product from alkylene oxide and carboxylic acid A process to produce polyester product from alkylene oxide and carboxylic acid. More specifically this process relates to a process to produce polyethylene terephthalate where terephthalic acid and ethylene oxide are reacted to form a partially esterified terephthal... | 02/19/2008 |
| 7321008 | Bioabsorbable branched polymers end-capped with diketene acetals Star polymers of soft segment forming monomers are useful in forming surgical devices. The star polymers can be endcapped with diketene acetals, mixed with a filler and/or cross-linked. The polymer compositions are useful, for example, as fiber coatings, surgical ad... | 01/22/2008 |
| 7196123 | Polyester block copolymer composition and process for the preparation thereof The invention provides a polyester block copolymer composition (R) obtained by thermally-processing a polyester block copolymer composition (Q) obtained by melt-mixing 100 parts by weight of a polyester block copolymer (P) with 0.1–5 parts by weight of an epoxy co... | 03/27/2007 |
| 7144763 | Epoxy resin compositions, solid state devices encapsulated therewith and method Epoxy resin compositions are disclosed which comprise (A) at least one silicone epoxy resin, (B) at least one hydroxyl-containing compound, (C) at least one anhydride curing agent, (D) at least one ancillary curing catalyst, and optionally at least one of thermal st... | 12/05/2006 |
| 7144600 | Wax-free lubricant for use in sizing yarns, methods using same and fabrics produced therefrom A finishing composition containing a nonionic hydrophilic macromolecule can replace wax in sizing while providing lubrication to yarns during weaving. Softer yarns and fabrics are obtained than with conventional sized yarns while also providing improved adhesion and... | 12/05/2006 |
| 7056978 | Toughened epoxy-anhydride no-flow underfill encapsulant A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear polyanhydride, a core shell polymer and a catalyst. In an alternative embodiment... | 06/06/2006 |
| 7009008 | Transparent liquid resin material for SMT-enabled led-applications at higher temperatures and higher luminosities A casting resin compound as an assembly and encapsulation material for electronic and optoelectronic component parts, modules and components, for example for casting out optoelectronic components on the basis of acid anhydride-curable epoxy compounds, particularly b... | 03/07/2006 |
| 7001976 | Water-soluble fiber and a method for manufacture therefor This invention relates to a water-soluble fiber and a method of manufacturing the fiber. The water-soluble fiber of the invention is composed of a high molecular compound with a weight average molecular weight of not less than 10,000, which high molecular compound i... | 02/21/2006 |
| 6977282 | Preparation of dicyclopentadiene-containing unsaturated polyesters A process for making dicyclopentadiene (DCPD)-containing polyesters is disclosed. The process comprises reacting 2-methyl-1,3-propanediol with maleic anhydride to form an acid terminated prepolymer and then reacting the prepolymer with a low grade DCPD to form DCPD-... | 12/20/2005 |
| 6927252 | Process to produce unsaturated polyester polyols The process consists of making react (i) an alkylene oxide polyether polyol, (ii) an organic compound which has an ethylenic unsaturation and a hydroxyl, carboxyl, anhydride, isocyanate or epoxy group and (iii) an alkylene oxide selected from ethylene oxide, propyle... | 08/09/2005 |
| 6916889 | Epoxy resin compositions, solid state devices encapsulated therewith and method Epoxy resin compositions are disclosed which comprise (A) at least one silicone epoxy resin, (B) at least one hydroxyl-containing compound, (C) at least one anhydride curing agent, (D) at least one ancillary curing catalyst, and optionally at least one of thermal st... | 07/12/2005 |
| 6903166 | Process for the manufacture of glycidylester compositions A process for the manufacture of glycidylester compositions by (a) reacting: (i) at least one cyclohexyl anhydride compound A; (ii) at least one di-secondary or di-primary hydroxyl compound B containing two (cyclo)aliphatic hydroxyl groups; (iii), at least one di-se... | 06/07/2005 |
| 6756420 | Coating composition and a process to form a coating film with use thereof This invention provides a high-solids coating composition which comprises (A) a compound which has at least one radically polymerizable unsaturated group per molecule, (B) a hydroxyl group-containing ester compound which is obtained by ester-forming addition reactio... | 06/29/2004 |
| 6756452 | Glycidyl ester of cooh polyester and curing agent A composition comprises a curing agent or coreactant and a glycidyl ester produced by reacting a carboxyl-functional polyester having an acid value of less than 280 mg KOH/gram with excess epihaloydrin in the presence of a base and, optionally, a catalyst, wherein t... | 06/29/2004 |
| 6740193 | Gem-diesters and epoxidized derivatives thereof In accordance with the present invention, there are provided gem-diesters and epoxidized derivatives thereof. When cured, thermosets comprising invention gem-diesters and epoxidized derivatives thereof have thermally and/or chemically labile gem-diester groups inter... | 05/25/2004 |
| 6706842 | Crosslinked polyester copolymers A glycol-organosilane composition and a process for producing the composition are disclosed. The composition comprises or is produced by combining (a) a glycol and (b) an organosilane. This composition is preferably substantially soluble in glycol and water. Also di... | 03/16/2004 |
| 6673441 | Adhesive, adhesive member, interconnecting substrate for semiconductor mounting having adhesive member, and semiconductor device containing the same An adhesive which comprises (1) 100 parts by weight of an epoxy resin and a hardener therefor, (2) 75 to 300 parts by weight of an epoxidized acrylic copolymer having a glycidyl (meth)acrylate unit content of 0.5 to 6 wt. %, a glass transition temperature... | 01/06/2004 |
| 6660398 | Powder thermosetting compositions for preparing coatings with low gloss finish The invention concerns powder thermosetting coating compositions comprising (a) an amorphous polyester containing carboxyl groups, rich in isophthalic acid and neopentylglycol, optionally branched with a polycarboxylic acid or a polyol containing at least... | 12/09/2003 |
| 6657002 | Polymeric pigment dispersant utilized as a grind resin for pigments and method of preparing the same The present invention is directed to a polyester carboxylate polymeric pigment dispersant to be used as a grind resin to incorporate inorganic pigment into a pigment dispersion for a coating composition. The polymeric pigment dispersant is the reaction pr... | 12/02/2003 |
| 6649705 | Hyperbranched polyol macromolecule, method of making same, and coating composition including same A hyperbranched polyester polyol macromolecule, having a plurality of both embedded and exterior hydroxyl groups thereon, may be synthesized in a polymerization reaction having several steps. The hyperbranched polyol includes a central nucleus, a first ch... | 11/18/2003 |
| 6649786 | Ester-forming addition reaction product This invention provides a process to produce a hydroxyl group-containing ester-forming addition reaction product having an acid value of 20 mgKOH/g or less, which process is characterized in that 2,2-dimethylolalkanoic acid having 6 to 8 carbon atoms is m... | 11/18/2003 |
| 6608170 | Syndiotactic poly(lactic acid) Syndiotactic poly(lactic acid) is formed by polymerization involving a cleavage of the same oxygen-acyl bond in a series of meso-lactide molecules to form polymer containing a series of units with stereocenters wherein adjacent stereocenters are of the op... | 08/19/2003 |
| 6569956 | Hyperbranched polyol macromolecule, method of making same, and coating composition including same A hyperbranched polyester polyol macromolecule, having a plurality of both embedded and exterior hydroxyl groups thereon, may be synthesized in a polymerization reaction having several steps. The hyperbranched polyol includes a central nucleus, a first ch... | 05/27/2003 |
| 6552159 | Cladding resin composition The invention relates to a cladding resin composition curable by heat, ultraviolet radiation, an electron beam or the like. The composition comprises a polyoxyalkylene polyol phosphate ester (hydroxyl value: 10-2,000 mg KOH/g) and a polymerizable or react... | 04/22/2003 |
| 6512046 | Polymerizable unsaturated polyester resin composition A practical polymerizable unsaturated polyester resin composition is provided, wherein a polyester skeleton derived from collected PET is introduced, for effective utilization of waste PET such as a PET bottle which has recently been considered a large ob... | 01/28/2003 |
| 6489434 | Manufacturing method of copolyester for low acetaldehyde content of PET bottles The present invention provides a manufacturing method of copolyester for low acetaldehyde content of PET bottles. The polyethylene terephthalate (PET) polymer is added with an appropriate modifier in order to decrease the production of acetaldehyde caused... | 12/03/2002 |
| 6461742 | Polyester containing tertiary carboxyl groups, preparation method and thermosetting powder compositions containing same The invention concerns a polyester bearing tertiary carboxyl groups, characterised in that it consists of: (a) 8.1 to 35 moles of an aliphatic or cycloaliphatic of a polyol; (b) 9.1 to 36 moles of an aliphatic, cycloaliphatic or aromatic polycarboxylic ac... | 10/08/2002 |
| 6451929 | Glycidyl ester by reacting COOH polyester with epihalohydrin A glycidyl ester is produced by reacting a carboxyl-functional polyester having an acid value of less than 280 mg KOH/gram with excess epihalohydrin in the presence of a base and, optionally, a catalyst, wherein the carboxyl-functional polyester is produc... | 09/17/2002 |
| 6429281 | Hydrophobic, high Tg cycloaliphatic epoxy resins In accordance with the present invention there are provided cycloaliphatic epoxy compounds and thermosetting resin compositions prepared therefrom. Inventive compounds are based on polycyclic hydrocarbon backbones, as illustrated by the following exemplar... | 08/06/2002 |
| 6417292 | Electrodepositable coating compositions including ungelled reaction products of epoxy functional polyesters and amines coated substrates and methods of electrocoating using the same The present invention is directed to electrodepositable coating compositions providing improved film flexibility and humidity resistance. The compositions contain a substantially ungelled resin or reaction product formed from reacting (i) an epoxy functio... | 07/09/2002 |
| 6417243 | Monomers, oligomers and polymers comprising terminal oxirane groups, their process of preparation and their cationic polymerization under irradiation In order to offer coatings with improved resistance to solvents which can be prepared by cationic polymerization under irradiation, the choice is made of a composition comprising at least one monomer, oligomer or polymer of general formula (I): ##STR... | 07/09/2002 |
| 6406753 | Aqueous coating composition Coating composition especially for preparing automotive surfacers, comprising an anionically stabilized resin, preferably a condensation product A of a carboxyl group-containing resin A1 and a hydroxyl group-containing resin A2, and a curing agent C, whic... | 06/18/2002 |
| 6407194 | Temporarily crosslinked polyester polymers A process for increasing the pill resistance of a polyester polymer wherein the polyester polymer is produced by polymerizing a polymerization mixture comprising (a) a carbonyl compound or an oligomer of the carbonyl compound and (b) a glycol. The process... | 06/18/2002 |
| 6403670 | Thermosetting composition containing polyhemiacetal ester resin and powdery thermosetting composition The present invention relates to a thermosetting composition which comprises: (A) a polyhemiacetal ester resin having a repeat unit represented by formula (1): ##STR1## wherein R1 and R2 are a bivalent organic group, and Y is an ... | 06/11/2002 |
| 6388024 | Acid functional and epoxy functional polyester resins Carboxyl functional polyester resins obtainable by reaction of: a) at least a compound of the formula ##STR1## wherein aࣙ1, and wherein R1 and R2 each may represent an alkyl group having from 1 to 4 carbon atoms or wherein R1 | 05/14/2002 |
| 6376624 | Compositions based on high molecular weight polyesters and methods for making the same Compositions based on high viscosity, high molecular weight polyesters are prepared by heating a molten mixture of: (A) a prepolymer of a polyester resin; and (B) 0.05-10 wt %, based one the weight of the polyester prepolymer, of a multifunctional polymer... | 04/23/2002 |
| 6350849 | Polyesters which contain maleate groups The production is described of unsaturated polyesters, which exclusively contain maleate groups in their main chain, by the ring-opening polymerization of epoxides, such as glycidyl ethers, glycidyl esters and olefine epoxides, with ,ଲ-unsatu... | 02/26/2002 |
| 6346582 | Glycidation of carboxy polyester and tertiary C monocarboxyic acid (glycidyl ester) Compositions prepared by the glycidation of at least one (a) carboxy polyfunctional polyester and at least one (b) ,-branched monocarboxylic acid containing a tertiary carbon atom and from 5 to 12 carbon atoms, or a glydicyl ester thereof, a... | 02/12/2002 |
