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| Number | Title | Issue Date |
| 8030435 | Solid state polymerization process for polyester with phosphinic acid compounds Disclosed is a method for increasing the solid state polymerization (SSP) rates of metal catalyzed polyesters. The method comprises in a first step, reacting a dicarboxylic acid or a C1-C4 dicarboxylic diester with a diol at a suitable temperat... | 10/04/2011 |
| 7847054 | Method for the synthesis of a polyoxadiazole polymer A polyoxadiazole polymer is synthesized by heating polyphosphoric acid to a temperature of at least about 160° C. and making a solution by mixing hydrazine sulfate salt with one or more dicarboxylic acids or their derivatives in the heated polyphosphoric acid. The ... | 12/07/2010 |
| 7381787 | Polytrimethylene terephthalate having a low level of acrolein and a process for producing the same The present invention provides a process of reducing acrolein by product from polytrimethylene terephthalate using selected phosphorus compounds to contact the polytrimethylene terephthalate or reactants in the process of producing polytrimethylene terephthalate. Th... | 06/03/2008 |
| 7358323 | Water-soluble flame-retardant polyester resin, resin composition containing the resin, and fiber product treated with the resin composition A water-soluble, flame retardant polyester resin is obtained by a condensation reaction or a polycondensation reaction of a dicarboxylic-acid component, a glycol component, a water-solubility imparting component and a reactive phosphorus-containing compound such tha... | 04/15/2008 |
| 7345138 | Biodegradable polyphosphates for controlled release of bioactive substances The present invention is directed to a biodegradable system for the controlled release of bioactive substances. This system comprises novel biodegradable and biocompatible polyphosphoesters that carry positive charges. Process for making these polyphosphoesters, com... | 03/18/2008 |
| 7335719 | Polyester based on poly(trimethylene terephthalate) A polyester based on poly(trimethylene terephthalate) consisting essentially of trimethylene terephthalate repeating units, comprising at least one kind of compound selected from the group consisting of alkali metal compounds, alkaline earth metal compounds and mang... | 02/26/2008 |
| 7291693 | Bioerodible conducting materials The present invention specifically contemplates a polymer, preferably an electrically conductive polymer, derived from substituted pyrrolyl moieties. ... | 11/06/2007 |
| 7285613 | Free-radical curable polyesters and methods for use thereof The invention is based on the discovery that certain polyester compounds bearing free-radical curable moieties are useful as b-stageable adhesives for the microelectonic packaging industry. ... | 10/23/2007 |
| 7205379 | Process for preparing a stabilized polyester The present invention discloses a process for the preparation of a stabilized polyester that is low in the generation of aldehydes which comprises reacting one or more diacids with one or more diols in an esterification process, and/or one or more diesters with one ... | 04/17/2007 |
| 7196158 | Knitted/woven fabric of polyester fiber A knitted/woven fabric of polyester fibers is produced from a polyester polymer obtained by condensation-polymerizing an aromatic dicarboxylate in the presence of a catalyst which comprises a mixture of a titanium compound ingredient (A) comprising a titanium alkoxi... | 03/27/2007 |
| 7189797 | Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product A poly(ethylene aromatic dicarboxylate ester) resin usable for the production of fibers, films and bottle-formed articles, is produced by polycondensing a diester of an aromatic dicarboxylic acid with ethylene glycol by using a catalyst including a non-reacted mixtu... | 03/13/2007 |
| 7189444 | 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 reactive funct... | 03/13/2007 |
| 7186784 | Phosphorus-containing carboxylic acid derivatives process for preparations thereof and flame retardant There are disclosed a phosphorus-containing carboxylic acid derivative which has a group containing phosphorus atom and has in its molecule, a group represented by the following formula (1): wherein R1... | 03/06/2007 |
| 7169739 | Methods of reducing sag in non-aqueous fluids Methods of reducing sag include combining a cystol ester compound with a non-aqueous fluid and particles to reduce sag in the resulting fluid composition without significantly increasing the viscosity of the fluid composition. The fluid composition CONTAINS the non-... | 01/30/2007 |
| 7115686 | Water-dilutable polyester resins A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, mo... | 10/03/2006 |
| 7087299 | Polyester fibers and false twist-textured yarn comprising same Polyester fibers having an individual fiber thickness of 0.1 to 10 dtex are produced from a polyester polymer produced by polycondensing an aromatic dicarboxylate ester in the presence of a catalyst including a mixture of a Ti compound component (A) including at lea... | 08/08/2006 |
| 7071291 | Isolation, formulation and shaping of macrocyclic oligoesters Processes for isolating, formulating, and shaping macrocyclic oligesters were developed which allow efficient production of macrocyclic oligoesters substantially free from solvent, which may include additives, fillers, and catalysts. ... | 07/04/2006 |
| 7033732 | Method of preparing anti-reflective coating polymer and anti-reflecting coating composition comprising an anti-reflecting coating polymer Disclosed are an organic anti-reflective coating polymer having a structure represented by the following formula I which is introduced to the top portion of photoresist, its preparation method and an anti-reflective coating composition, in a process for forming ultr... | 04/25/2006 |
| 7026035 | Laminated film for optical use There is provided a laminated film for optical use comprising a polyester film which has a lubricity layer containing globular particles in at least one side thereof, wherein the laminated film has a thickness irregularity of 0.5 to 7.0%, and wherein the polyester f... | 04/11/2006 |
| 7022806 | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp... | 04/04/2006 |
| 6998462 | Polyester process Disclosed is a process that comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition, a toner, and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterificati... | 02/14/2006 |
| 6994914 | Macrocyclic polyester oligomers and processes for polymerizing the same A water slurry process is used to prepare a prepreg and to manufacture articles from macrocyclic polyester oligomers. In one embodiment, a process for preparing a water suspension of macrocyclic polyester oligomers includes the steps of contacting a macrocyclic poly... | 02/07/2006 |
| 6979719 | Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composition. Further, a process for ... | 12/27/2005 |
| 6962968 | Purification of macrocyclic oligoesters Acid impurities, such as carboxylic acid-terminated polymers, are removed from macrocyclic oligoesters with ion exchange resins, resulting in macrocyclic oligoesters that are substantially free of acid impurities. The ion exchange resins can be regenerated anew and ... | 11/08/2005 |
| 6906147 | Catalytic systems This invention relates to single-component and multi-component catalytic systems using aryl titanates. Aryl titanate compounds are useful as catalysts and co-catalysts in single-component and multi-component catalytic systems (e.g., for the polymerization of macrocy... | 06/14/2005 |
| 6855799 | Polymeric phosphite composition and hydrocyanation of unsaturated organic compounds and the isomerization of unsaturated nitriles A polymeric composition, a process for producing the composition, and a process for using the composition in, for example, hydrocyanation or isomerization are disclosed. The composition comprises repeat units derived from (1) a carbonyl compound, a monomer, and phos... | 02/15/2005 |
| 6852388 | Biaxially oriented film with better surface quality based on crystallizable polyesters and process for producing the film The invention relates to a single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation. The crystallizable polyester comprises from 100 to 10 000 ppm of primar... | 02/08/2005 |
| 6783827 | Method or decreasing the cyclic oligomer content in polyester product The present invention relates to a method for decreasing the cyclic oligomer content level in the manufacturing process of polyethylene terephthalate (PET) and in the PET products produced from said process by adding calcium phosphate at least one selected from the ... | 08/31/2004 |
| 6777099 | Stabilized film based on titanium-catalyzed polyesters Polyester films which comprise a stabilizer for inhibiting oxidative degradation, at least some of which has been covalently incorporated into the polymer chain of the polyester through polycondensation during formation of the polyester, have not only high resistanc... | 08/17/2004 |
| 6657036 | Polycondensation resins and polyaddition resins produced by heterogeneous catalysis The invention relates to polycondensation resins which are prepared by polycondensation of compounds having a low molecular weight and separation of small molecules in the presence of at least one hetergeneous catalyst. The invention also relates to polya... | 12/02/2003 |
| 6639017 | Flame-retardant unsaturated polyester resins The invention relates to flame-retardant, unsaturated polyester resins made from unsaturated and saturated dicarboxylic acids and/or their anhydrides, from polyhydric alcohols, from one or more monomers and from a reactive phosphorus compound, which conta... | 10/28/2003 |
| 6632917 | Production of polyester using preblended cobalt-phosphorus A preblended additive composition and process for the preparation of polyester resins useful in the manufacture of plastic containers such as bottles is disclosed. The additive composition includes a cobalt-containing compound that is preblended with a ph... | 10/14/2003 |
| 6632891 | Flame-retardant resin, composition thereof, and process for producing the same A flame-retardant resin composition comprising a phosphazene flame retardant and a polyester resin, wherein the flame retardant is bonded to the molecules of the polyester resin via the ester group thereof, can retain a high flame retardance for a prolong... | 10/14/2003 |
| 6629833 | Transparent conductive film and touch panel A transparent conductive film (1) having a transparent plastic film (11) and a transparent conductive thin film (12) formed on at least one side thereof, characterized in that a resin layer (P) containing an ionic group in the range of 20 to 1000 eq/ton i... | 10/07/2003 |
| 6630564 | Copolyester with improved extrusion processing and color for extrusion blow molding To a copolyester reacted essentially by terephthalic acid components and ethylene glycol units, adding 1% to 15 weight % of specific diol unit selected from the group consisting of at least one of 2-butyl-2-ethyl-1,3-propanediol, 3-methyl-1,5-pentanediol,... | 10/07/2003 |
| 6610796 | Flame retardant polybutyleneterephthalate resin Disclosed is a flame retardant polybutyleneterephthalate resin prepared be copolymerizing a phosphorus-based flame retardant represented by the following formula I and a butyleneterephthalate unit: ##STR1## wherein R1 and R2 are ... | 08/26/2003 |
| 6599947 | Dispersants A dispersant of formula 1 ##STR1## wherein R is hydrogen or a polymerisation termination group; Z is an acidic or basic group or a moiety containing either an acidic or basic group; A is C3-7 alkylene optionally substituted by alkyl; Gly is ... | 07/29/2003 |
| 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 |
| 6538098 | Manufacture of polyketones Polyketones are manufactured by reacting an aromatic carboxylic acid with a biractive aromatic compound, using as a catalyst a combination of a carboxylic acid anhydride and phosphoric acid, or equivalent thereof. The product polymers are useful as moldin... | 03/25/2003 |
| 6534597 | Polymerizable compounds and use thereof Polymerizable ester surfactant, or a salt thereof, having the formula: R1 --C(O)--R2 --X wherein: R1 is an optionally substituted vinyl radical, R2 is a divalent polyoxyalkylene radical having at least two oxypropylene un... | 03/18/2003 |
