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| Number | Title | Issue Date |
| 7683122 | Processes for increasing polymer inherent viscosity Disclosed are processes for preparing polyareneazole polymers including contacting a molar excess of a free base in water with a terephthalic acid salt to form an aqueous mixture, adjusting the pH to precipitate a monomer complex, contacting the monomer complex with... | 03/23/2010 |
| 7439317 | Amorphous polyester chip and method for production thereof, and method for storage of amorphous polyester chip An amorphous polyester chip having superior processing ability is characterized by a moisture content of not more than 300 ppm and a fine particle content of not more than 500 ppm. A preferred embodiment is a copolymerized polyester chip comprising a main repeating ... | 10/21/2008 |
| 7368491 | Phosphorus-containing silazane composition, phosphorus-containing siliceous film, phosphorus-containing siliceous filler, method for producing phosphorus-containing siliceous film, and semiconductor device An objective of the present invention is to provide a phosphorous-containing siliceous material having a specific permittivity of not more than 3.5. The phosphorus-containing silazane composition according to the present invention is characterized by comprising a po... | 05/06/2008 |
| 7342068 | Aqueous polyurethane dispersion and method for making and using same Aqueous polyurethane dispersions comprising polyurethane polymer and methods for making and using same are disclosed herein. In one aspect of the present invention, aqueous polyurethane dispersions, comprising a polyurethane polymer having a weight average molecular... | 03/11/2008 |
| 7335410 | Composition and process for manufacturing polyester The invention relates to a composition suitable for catalysis in a process for the manufacture of polyester containing as Component I a carrier substance on which catalytically effective metal compounds are adsorbed and as Component II a phosphonic acid compound. | 02/26/2008 |
| 7282555 | Method for incorporating nitrogen containing methine light absorbers in pet and compositions thereof The present invention is a method for efficiently incorporating a nitrogen containing methine light absorber into a polyester resin. The method includes forming a reaction mixture comprising combining a diol component, a diacid component selected from the group cons... | 10/16/2007 |
| 7205357 | Polyester resin composition for toner A polyester resin composition for a toner comprising a titanium compound in an amount of from 0.005 to 4% by weight, and an inorganic phosphorus compound in an amount of from 0.001 to 5% by weight; a toner comprising the polyester resin composition as defined above;... | 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 |
| 7183338 | Tile grout A durable, stain resistant tile grout comprised of naturally rounded quartz particles and water-borne polyurethane. The naturally rounded quartz particles are permanently colored and encapsulated within the water-borne polyurethane, which remains transparent and sho... | 02/27/2007 |
| 7179869 | Process for producing polyester resins In the invention, a polyester resin having dicarboxylic acid constitutional units and diol constitutional units wherein 5 to 60 mol % of the diol constitutional units has a cyclic acetal skeleton is produced by a process including an oligomerization step and a polym... | 02/20/2007 |
| 7144614 | Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of this invention is a polyester polymerization catalyst comprising an al... | 12/05/2006 |
| 7144974 | Polyester production method, polyester composition, and polyester fiber In a polyester production method, a titanium compound having a radical selected from a carbonyl group, a carboxyl group, or an ester group, and a phosphorous compound having a structure illustrated in Formula (I), are added | 12/05/2006 |
| RE39246 | Esterification catalysts and processes therefor and therewith A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxylic acids, ... | 08/22/2006 |
| 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 |
| 7078163 | Process for reducing mineralization of tissue used in transplantation A method of making a tissue-derived implantable medical device that includes contacting the tissue with a composition comprising at least one oxidizing agent prior to implantation of the medical device. ... | 07/18/2006 |
| RE39182 | Process for the preparation of thermally stable polyoxymethylene copolymers A process for the preparation of polyoxymethylene copolymers, wherein 1,3,5-trioxane is polymerized with generally known comonomers in the presence of a strong protonic acid initiator and in the presence of a formaldehyde dialkyl acetal, and wherein the initiator is... | 07/11/2006 |
| 7056968 | Calcium phosphate-synthetic resin composite body containing calcium phosphate block and method for production thereof A calcium phosphate-synthetic resin composite body produced by pressing a calcium phosphate block (or a calcium phosphate block and calcium phosphate particles), and synthetic resin particles I, which are at least partially cross-linked in advance, and uncross-linke... | 06/06/2006 |
| 7057006 | Stable aqueous solutions comprising titanium and zinc and process therewith A composition that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a titanium α-hydroxycarboxylic acid or its salt, (b) a C1–C | 06/06/2006 |
| 7048995 | Polyester resin, molded product made thereof and process for production of polyester resin A polyester resin produced by polycondensing a dicarboxylic acid component containing an aromatic dicarboxylic acid or its ester-forming derivative as the main component and a diol component containing ethylene glycol as the main component in the presence of at leas... | 05/23/2006 |
| 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 |
| 6979752 | Continuous process for converting polytetramethylene ether diester to polytetramethylene ether glycol A continuous process for converting by transesterification the diester of polytetramethylene ether (PTMEA) to the corresponding polytetramethylene ether glycol (PTMEG). The process is characterized by the fact that the feed, consisting of PTMEA along with an alkanol... | 12/27/2005 |
| 6951519 | Thermosetting polyurethane material for a golf ball cover A prepolymer blend for a thermosetting polyurethane material that allows for control of the reaction time is disclosed herein. The prepolymer blend is preferably composed of a polyurethane prepolymer and dimethyl methylphosphonate. The thermosetting polyurethane is ... | 10/04/2005 |
| 6936684 | Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): wherein n stands for an integer of from 1 to 8, Zn− represents an n-valent anion of an activ... | 08/30/2005 |
| 6914101 | Polyester block copolymer composition The present invention relates to a polyester block copolymer composition which is obtained by reacting 0.5 to 5.0 parts by weight of an epoxy compound (C) having two or more functionalities with 100 parts by weight of a polyester block copolymer (P) having an acid v... | 07/05/2005 |
| 6906110 | Method for the production of polyurethanes In a process for producing polyurethanes by reacting at least one polyisocyanate with at least one compound containing at least two hydrogen atoms which are reactive toward isocyanate groups, the compound having at least two active hydrogen atoms which is used is at... | 06/14/2005 |
| 6884366 | Process for producing oxygen absorbing polyamide resin composition and oxygen absorbing polyamide resin composition produced by the process In the process for producing an oxygen absorbing polyamide resin composition of the present invention, a diamine component containing 70 mol % or higher of m-xylylenediamine is polycondensed with a dicarboxylic acid component containing 50 mol % or higher of adipic ... | 04/26/2005 |
| 6855797 | Stable aqueous solutions comprising titanium and zinc and process therewith A process that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a titanium α-hydroxycarboxylic acid or its salt, (b) a C1-C6 | 02/15/2005 |
| 6790906 | Fire-retardant polyurethane systems A storage-stable moisture-curing one-component fire-retardant polyurethane system, useful as adhesive, sealant or coating material, comprising at least one hydrated mineral having a water-content of less than 0.1% and being treated with a moisture-reactive compound,... | 09/14/2004 |
| 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 |
| 6774204 | Polyester and process therefor A composition and a process for producing the composition are disclosed. The composition comprises (1) repeat units derived from a carbonyl compound and a glycol and (2) one or more ultrafine metal oxides. The process can comprise (1) contacting, in the presence of ... | 08/10/2004 |
| 6740728 | Methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s and uses of the materials obtained therefrom The present invention relates to methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s. The materials obtained by the methods of present invention are useful as fluid separation membranes and as high performance materials. ... | 05/25/2004 |
| 6730715 | Dental restorative composition, dental restoration, and a method of use thereof A curable dental restorative composition comprising about 1 to about 90 wt %, based on the total weight of the composition, of a filler component, the filler component comprising about 10 to 100 wt %, based on the total weight of the filler component, of a surface r... | 05/04/2004 |
| 6723764 | Preparation process of enlarged latex A process for preparing an enlarged latex, which comprises (1) causing (a) an anionic surfactant and (b) at least one surfactant selected from the group consisting of a cationic surfactant and an amphoteric surfactant to exist in a latex, (2) adding, as an aggregati... | 04/20/2004 |
| 6703474 | Polyester resin, molded product made thereof and process for production of polyester resin A polyester resin produced by polycondensing a dicarboxylic acid component containing an aromatic dicarboxylic acid or its ester-forming derivative as the main component and a diol component containing ethylene glycol as the main component in the presence... | 03/09/2004 |
| 6693071 | Rinse aid surface coating compositions for modifying dishware surfaces Rinse aid materials for coating, coating compositions, methods and articles of manufacture for use in automatic dishwashing appliances comprising a nanoparticle system or employing the same to impart surface modifying benefits for all types of dishware su... | 02/17/2004 |
| 6676852 | Phosphorescent thermoplastic composition Polymer composition comprising 50-99% by weight of a thermoplastic resin or a blend of thermoplastic resins, 1-50% by weight of a graft copolymer comprising a rubbery graft base upon which one or more monomers have been grafted, the quantities of (a) and ... | 01/13/2004 |
| 6663961 | Process for preparation of polyester-based polymers This invention is related to a process for preparing polyester polymers using a composite catalyst comprises the steps of 1) esterifying naphthalene dicarboxylic acid or a dicarboxylic acids containing NDCA or ester derivatives thereof, with ethylene glyc... | 12/16/2003 |
| 6649731 | Catalysts for polyester production, process for producing polyester, and polyester By the present invention, there are provided a catalyst for polyester preparation, which comprises a solid titanium compound containing titanium, oxygen, carbon and hydrogen and having a Ti--O bond and which has a maximum solubility in ethylene glycol, as... | 11/18/2003 |
| 6635707 | Process for producing synthetic latex A synthetic latex is prepared by charging a portion of water and a monomer as raw materials in a reactor in a ratio of monomer/water, at which a maximum ultimate pressure in said reactor that is attained if an initial composition in said reactor before th... | 10/21/2003 |
