Derived From Terephthalic Acid Or Derivative Patents (Class 524/605)
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Publication number: 20100300918Abstract: Described are bottles comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: ApplicationFiled: August 10, 2010Publication date: December 2, 2010Applicant: EASTMAN CHEMICAL COMPANYInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, David Scott Porter, Gary Wayne Connell, Michael James Keegan
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Patent number: 7820756Abstract: A polymeric composition suitable for manufacturing heat sealable films or sheets comprising, polyethylene terephthalate (PET) to the extent of about 80% to 95% by mass of the total composition; a polymer additive for lowering the melting point of the composition selected from Polyethylene Naphthalate (PEN), Polytrimethylene Naphthalate (PTN), in-situ formed Polyethylene Naphthalate (PEN) and in situ formed Polytrimethylene Naphthalate (PTN) to the extent of about 20% to 5% by mass of the total composition; a nucleating agent to the extent of about 200 to 1500 ppm by mass of the composition; a polycondensation catalyst to the extent of about 30 to 300 ppm by mass of the composition; a clear fast reheat (CFRH) additive to the extent of about 10 to 30 ppm by mass of the composition; a color toner to the extent of about 0.75 to 25 ppm by mass of the composition; and a heat stabilizer to the extent of about 20 to 55 ppm by mass of the composition.Type: GrantFiled: September 19, 2008Date of Patent: October 26, 2010Assignee: Futura Polyesters LimitedInventors: Kulkarni Sanjay Tammaji, Palaniandavar Santhana Gopala Krishnan, Dilly Raj Balasundaram
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Patent number: 7812077Abstract: A composition comprises 20 to 80 wt. % of a polyester component comprising a modified polybutylene terephthalate random copolymer derived from a polyethylene terephthalate component selected from polyethylene terephthalate and polyethylene terephthalate copolymers and having at least one residue derived from the polyethylene terephthalate component; from 5 to 35 wt. % of a flame retardant phosphinate (I) or (II) (R1)(R2)(PO)—O]?mMm+??(I) [(O—POR1)(R3)(POR2—O)]2?nMm+x??(II), and/or a flame retardant polymer thereof, wherein R1 and R2 are independently are H, C1-C6-alkyl, or C6-C10-aryl; R3 is C1-C10, alkylene, C6-C10-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; and more than 0 to 25 wt. % of a polyetherimide.Type: GrantFiled: October 11, 2007Date of Patent: October 12, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Pravin Kamlakar Borade, Robert Russell Gallucci, Rama Konduri, Johannes Hubertus G. M. Lohmeijer, Subodh Kumar Pal, Veeraraghavan Srinivasan, Chris van der Weele, Gerrit de Wit
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Publication number: 20100256261Abstract: The invention relates to biaxially oriented polyester films which contain 0.25-20% by weight (based on the weight of the film) of a hydrolysis stabilizer based on epoxidized fatty acid esters and/or epoxidized fatty acid glycerides, and a chain extender. Such films find use in outdoor applications, as a ribbon cable, as a backside laminate of solar modules and in electrical insulation applications.Type: ApplicationFiled: April 2, 2009Publication date: October 7, 2010Inventors: Holger Kliesch, Bodo Kuhmann, Thomas Hackl, Dagmar Klein, Ingo Fisher, Annegrete Bursch
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Publication number: 20100227971Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and cyclohexanedimethanol residues. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.Type: ApplicationFiled: May 20, 2010Publication date: September 9, 2010Applicant: EASTMAN CHEMICAL COMPANYInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Publication number: 20100227960Abstract: A process for making a high viscosity poly(trimethylene terephthalate) (PTT) resin having a low cyclic dimer content of less than or equal to 1.1 wt % as determined with nuclear magnetic resonance analysis and an intrinsic viscosity in the range of 0.9 to 2.0 dL/g; the PTT resin composition provided by the process; and molded articles derived from the composition are disclosed.Type: ApplicationFiled: March 2, 2010Publication date: September 9, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Brett Collin Dobrick, Elisha Danielle Frye, Joseph V. Kurian, Benjamin Weaver Messmore, Robert E. Penn
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Patent number: 7781514Abstract: A method of making a thickened hardener composition useful in a two part resin system. The thickened hardener composition includes a carrier, a peroxide catalyst, and a thickening and volumetrically increasing agent, wherein the thickening and volumetrically increasing agent is microspheres. A method of making a thermoset resin from a two-part polyester resin system is also provided.Type: GrantFiled: May 3, 2006Date of Patent: August 24, 2010Assignee: Illinois Tool Works Inc.Inventor: Jeffrey Andrew Reynolds
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Publication number: 20100210775Abstract: Polymer compositions are disclosed that are blends of polyesters prepared from terephthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and optionally 1,4-cyclohexanedimethanol, with a reinforcing mineral filler. The composition of the blend includes up to about 40 weight % of the mineral. These formulations have a combination of toughness, heat resistance, and high modulus making the materials particularly useful in engineering molding plastics.Type: ApplicationFiled: January 13, 2010Publication date: August 19, 2010Applicant: Eastman Chemical CompanyInventors: Gary Michael Stack, Daniel Henry Bolton
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Patent number: 7754825Abstract: Ultraviolet light stabilized copolyetherester compositions that comprise at least one nanoparticulate mineral selected from titanium dioxide, cerium oxide, and zinc oxide and at least one organic ultraviolet light stabilizer. Articles formed from the compositions are also disclosed.Type: GrantFiled: January 20, 2006Date of Patent: July 13, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: James Michael McKenna, Austin H. Reid, Jr., Robert R. Reitz, Shailaja R. Vaidya
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Publication number: 20100174033Abstract: This invention relates to thermoplastic article having one or more decorative materials embedded therein which is obtained by applying heat and pressure to one or more laminates wherein at least one of said laminates comprises, in order, (1) an upper sheet material; (2) one or more decorative materials; and (3) a lower sheet material; wherein the upper and lower sheet materials are formed from a polyester/aromatic polycarbonate blend wherein the thermoplastic article comprises at least one polyester composition comprising at least one polyester which comprises terephthalic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol.Type: ApplicationFiled: March 16, 2010Publication date: July 8, 2010Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Publication number: 20100174030Abstract: This invention relates to thermoplastic article having one or more decorative materials embedded therein which is obtained by applying heat and pressure to one or more laminates wherein at least one of said laminates comprises, in order, (1) an upper sheet material; (2) one or more decorative materials; and (3) a lower sheet material; wherein the upper and lower sheet materials are formed from a polyester/aromatic polycarbonate blend wherein the thermoplastic article comprises at least one polyester composition comprising at least one polyester which comprises terephthalic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol.Type: ApplicationFiled: March 16, 2010Publication date: July 8, 2010Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Publication number: 20100174034Abstract: This invention relates to thermoplastic article having one or more decorative materials embedded therein which is obtained by applying heat and pressure to one or more laminates wherein at least one of said laminates comprises, in order, (1) an upper sheet material; (2) one or more decorative materials; and (3) a lower sheet material; wherein the upper and lower sheet materials are formed from a polyester/aromatic polycarbonate blend wherein the thermoplastic article comprises at least one polyester composition comprising at least one polyester which comprises terephthalic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol.Type: ApplicationFiled: March 16, 2010Publication date: July 8, 2010Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Publication number: 20100168328Abstract: A process comprises heating at a first temperature under an inert atmosphere and at a first pressure of at least 101 kPa a cyclohexanedimethanol, and a polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers, to form a molten mixture; and heating the molten mixture with agitation at a second temperature higher than the first temperature and a second, subatmospheric pressure for a time and under conditions effective to form a modified polycyclohexane dimethylene terephthalate copolymer comprising at least one residue derived from the polyethylene terephthalate component.Type: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Inventor: Ganesh KANNAN
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Publication number: 20100160549Abstract: Described as one aspect of the invention are polyester compositions comprising at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 80 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 20 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 1 to about 49 mole % spiro-glycol residues; and (ii) about 51 to about 99 mole % at least one glycol chosen from at least one of 1,4-cyclohexanedimethanol residues and 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %.Type: ApplicationFiled: December 18, 2008Publication date: June 24, 2010Applicant: EASTMAN CHEMICAL COMPANYInventors: Emmett Dudley Crawford, Gary Wayne Connell
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Patent number: 7718720Abstract: Nucleants and related compositions, articles, and methods are described.Type: GrantFiled: December 27, 2004Date of Patent: May 18, 2010Assignee: Metabolix Inc.Inventor: Allen R. Padwa
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Publication number: 20100120946Abstract: The invention relates to biaxially oriented polyester films which contain 0.1-5.0% by weight (based on the weight of the film) of a hydrolysis stabilizer based on epoxidized fatty acid esters and 0.2-10% by weight (based on the weight of the film) of epoxidized fatty acid glycerides, the epoxidized fatty acid esters having a mean molecular weight of at least 425 g/mol. Such films find use in outdoor applications, as a ribbon cable, as a backside laminate of solar modules and in electrical insulation applications.Type: ApplicationFiled: April 2, 2009Publication date: May 13, 2010Inventors: Holger KLIESCH, Dagmar Klein, Rainer Kurz, Dirk Broeder, Gottfried Hilkert, Volker Schaefer
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Publication number: 20100120947Abstract: The invention relates to biaxially oriented polyester films that include a chain extender in addition to polyester. Such films find use in all applications typical of biaxially oriented polyester films, especially in outdoor applications, as a ribbon cable, as a backside laminate of solar modules and in electrical insulation applications.Type: ApplicationFiled: April 2, 2009Publication date: May 13, 2010Inventors: Bodo Kuhmann, Holger Kliesch, Dagmar Klein, Martin Jesberger, Thomas Hackl
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Publication number: 20100120979Abstract: Described are film(s) and/or sheet(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: ApplicationFiled: March 28, 2006Publication date: May 13, 2010Inventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Publication number: 20100112251Abstract: Disclosed are hot-melt adhesives prepared from aromatic-aliphatic polyesters containing terephthalic acid in combination with adipic acid, glutaric acid, or a mixture thereof, as diacid components and a diol component containing 1,4-butanediol, 1,6-hexanediol, or a combination thereof. These adhesives set up rapidly within a well-defined temperature window. The hot-melt adhesives can be used in a variety of applications, but are especially suited as seaming adhesives for roll-applied labels. These adhesives have melting temperatures and crystallization properties that allow their application at temperatures cool enough to prevent curling and premature shrinkage of the shrink label during seaming, and yet produce strong label seams that can withstand the elevated temperatures of a shrink tunnel without sacrificing line speed. Also disclosed are labeled containers and a process for applying a roll-on, shrink label to a container using the hot-melt adhesives of the invention.Type: ApplicationFiled: October 12, 2009Publication date: May 6, 2010Applicant: Eastman Chemical CompanyInventors: Marcus David Shelby, Scott Ellery George, Gary Robert Robe, Freddie Wayne Williams, Michael Eugene Donelson, Joshua Seth Cannon, Candace Michele Tanner
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Publication number: 20100107508Abstract: The present invention relates to a brush filament for industrial applications and a brush made with the same. The brush filament comprises a matrix resin, a hydrolytic stabilizer and/or an acid-absorbing agent, and an antioxidant. The brush filament of the invention is suitable for industrial applications, in particular, for grinding, polishing and cleaning of marbles and/or metals after they have been cut.Type: ApplicationFiled: September 17, 2009Publication date: May 6, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANY DUPONT XINGDA FILAMENTS COMPANY LIMITEDInventors: Xianqiao Liu, Nanjian Sun, Ting Yu, Mingsong Wang
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Publication number: 20100047558Abstract: A barrier structure includes a composite film. The composite film includes a polymer matrix and a plurality of dispersed high aspect ratio glass particles within the polymer matrix.Type: ApplicationFiled: August 18, 2009Publication date: February 25, 2010Inventors: DAVID SCHIRALDI, MOHIT GUPTA
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Patent number: 7662876Abstract: Flame retarded resin compositions comprise at least one resin selected from the group consisting of polycarbonate, polyester and mixtures thereof, and a flame retarding effective amount of at least one nonhalogenated arylalkylsilyl flame retardant, the flame retarded resin composition being substantially free of haloorganic flame retardant and phosphate flame retardant.Type: GrantFiled: December 15, 2004Date of Patent: February 16, 2010Assignee: Supresta LLCInventors: Johst Hermann Burk, Sergei Vladimirovich Levchik, Vladmir Petrovich Prokopovich, Elena Alekseevna Murashko, Irena Arkadeyvna Klimovzova
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Patent number: 7662877Abstract: A polyester resin composition comprising alkylene terephthalate, fast reheat (FRH) additives, nucleating additives, aliphatic dicarboxylic acid comonomers or their mixed composition to impart clarity and transparency to the CPET and a process for the preparation of said thermoplastic composition of clear CPET.Type: GrantFiled: July 13, 2006Date of Patent: February 16, 2010Assignee: Futura Polyesters Ltd.Inventors: Sanjay Tammaji Kulkarni, Balasundaram Dilly Raj
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Patent number: 7659330Abstract: A composite includes raw lignocellulosic materials dispersed in a thermoplastic polymeric matrix which includes a blend of different polymers. A composite includes raw lignocellulosic materials and a thermal stabilization agent dispersed in a thermoplastic polymeric matrix. A composite includes lignocellulosic nanoparticles dispersed in a thermoplastic polymeric matrix.Type: GrantFiled: October 15, 2008Date of Patent: February 9, 2010Assignee: University of Maine System Board of TrusteesInventors: Douglas J. Gardner, Christopher H. West, Yousoo Han
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Patent number: 7638578Abstract: Processes for generating aqueous dispersions for use in the emulsion/aggregation technique, by combining crystalline polyester resin, amorphous polyester resin and water, heating and agitating the mixture and generating an aqueous dispersion containing both crystalline polyester resin particles and amorphous polyester resin particles.Type: GrantFiled: August 25, 2008Date of Patent: December 29, 2009Assignee: Xerox CorporationInventors: Allan K. Chen, Tie Hwee Ng, Paul D. Szabo
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Publication number: 20090181202Abstract: Extrusion profile articles comprising a polyester having a dicarboxylic acid component and a glycol component. The dicarboxlyic acid component comprises at least 90 mole % terephthalic acid residues. The glycol component comprises at least 75 mole % ethylene glycol residues and 15 to 25 mole % residues of a difunctional glycol such as, for example, 1,4-cyclohexanedimethanol. Such extrusion profile articles can exhibit reduced haze, reduced sharkskin, and/or increased compatibility in PET recycling.Type: ApplicationFiled: October 21, 2008Publication date: July 16, 2009Applicant: EASTMAN CHEMICAL COMPANYInventors: Thomas Joseph Pecorini, Spencer Allen Gilliam, Ignacio Garcia, Alan Keith Phillips, Robert Ellis McCrary, Mark Allan Treece, Daniel Christopher Cobb, Harold Eugene Dobbs
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Publication number: 20090181196Abstract: Described as one aspect of the invention are extrusion blow molded articles comprising at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 90 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 10 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 42 to about 60 mole % ethylene glycol residues; and (ii) about 40 to about 58 mole % residues of 1,4-cyclohexanedimethanol; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; and wherein the inherent viscosity of the polyester is from 0.50 to 1.0 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.25 g/50 ml at 25° C.Type: ApplicationFiled: October 21, 2008Publication date: July 16, 2009Applicant: EASTMAN CHEMICAL COMPANYInventors: Thomas Joseph Pecorini, Spencer Allen Gilliam, Ignacio Garcia
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Publication number: 20090130443Abstract: The present disclosure is directed generally to synthetic organic fiber pellets, methods for making such pellets, and methods of using such pellets for making fiber reinforced polypropylene composite resins. The synthetic organic fiber pellets include at least 80 wt % of a synthetic organic fiber chosen from polyalkylene terephthalates, polyalkylene naphthalates, polyamides, polyolefins, polyacrylonitrile, and combinations thereof, and from 2 to 20 wt % of one or more waxes. The synthetic organic fiber pellets are produced using a pelleting press process.Type: ApplicationFiled: November 14, 2008Publication date: May 21, 2009Inventor: Arnold Lustiger
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Publication number: 20090105377Abstract: A series of resins were synthesized using a range of bio-based materials to control the molecular architecture, and therefore the properties, of the inventive resins. The utility of these resins was demonstrated in the formulation of powder coatings, such as ?-hydroxy amide crosslinked and hybrid types. Generally, the bio-based resins flowed out on heating faster than conventional petrochemically-based resins, allowing the use of lower temperatures in the curing oven than is typically possible and a more active catalyst system, especially in the carboxylic acid-epoxy crosslinked hybrid coatings formulations.Type: ApplicationFiled: March 20, 2006Publication date: April 23, 2009Inventors: Bhima R. Vijayendran, Jerry L King, II, Katherine P. Mitchell, Michael C. Clingerman, Jeffrey T. Cafmeyer
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Publication number: 20090098323Abstract: The invention aims at providing an oxygen-absorbing resin which has excellent oxygen absorption performance and which can dispense with the addition of a transition metal catalyst or the irradiation with a radiation. The invention provides an oxygen-absorbing resin which is obtained by polymerizing a raw material containing a monomer (A) having an unsaturated alicyclic structure bearing a carbon-carbon double bond wherein one carbon atom adjacent to the carbon-carbon double bond is bonded to an electron-donating substituent and a hydrogen atom and another carbon atom adjacent to the carbon atom is bonded to a heteroatom-containing functional group or a bonding group derived from the functional group with the electron-donating substituent and the functional or bonding group taking cis-configuration and which contains the unsaturated alicyclic structure in an amount of 0.Type: ApplicationFiled: October 10, 2008Publication date: April 16, 2009Applicant: TOYO SEIKAN KAISHA, LTD.Inventors: Yoshihiro Ohta, Yoichi Ishizaki
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Patent number: 7497972Abstract: The invention relates to a moulding composed of a plastics matrix composed of a transparent plastic, comprising a soluble fluorescent dye and a scattering agent whose refractive-index difference from the plastics matrix is +/? from 0.003 to 0.2, characterized in that a white pigment whose refractive-index difference from the plastics matrix is from +0.4 to 1.5 is also present, at a concentration of from 0.001 to 0.1% by weight.Type: GrantFiled: July 25, 2003Date of Patent: March 3, 2009Assignee: Roehm GmbH & Co. KGInventors: Hans Lichtenstein, Guenther Ittmann, Eduard Albrecht
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Patent number: 7462682Abstract: A tinted polyester resin composition having good color and useful for many uses (fibers, films and other formed articles) contains an aromatic polyester polymer and a tinting agent; the tinting agent is contained in a content of 0.1 to 10 ppm by mass in the composition, and has a maximum absorption wavelength in the range of from 540 to 600 nm in the absorption spectrum in the wavelength band of from 380 to 780 nm, determined in a solution of the tinting agent in a concentration of 20 mg/liter in chloroform in an optical path having a length of 1 cm; and ratios of optical absorbances A400, A500, A600 and A700 of visible light spectra at wavelengths of 400 nm, 500 nm, 600 nm and 700 nm respectively to an optical absorbance Amax in the visible light spectrum at the maximum absorption wavelength, determined in the above-mentioned chloroform solution at a optical path having a length of 1 cm, satisfy the requirements of 0.00?A400/Amax?0.20, 0.10?A500/Amax?0.70, 0.55?A600/Amax?1.00 and 0.00?A700/Amax?0.05.Type: GrantFiled: June 30, 2004Date of Patent: December 9, 2008Assignee: Teijin Fibers LimitedInventor: Ryoji Tsukamoto
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Publication number: 20080202793Abstract: An electrical insulation system and method are disclosed which are based on poly(butylene terephthalate), wherein the poly(butylene terephthalate) contains a polymerized cyclic low molecular weight oligomeric poly(butylene terephthalate) resin. At least one filler material or a mixture of filler materials can be included. At least one hydrophobic compound or a mixture of hydrophobic compounds can also be included.Type: ApplicationFiled: April 14, 2008Publication date: August 28, 2008Applicant: ABB RESEARCH LTDInventors: Kurt Kaltenegger, Xavier Kornmann, Jens Rocks, Reto Weder
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Patent number: 7408001Abstract: The invention relates to aqueous crosslinkable binder dispersions comprising hydroxy-functional copolymers based on ethylene glycol monoallyl ether, to a process for preparing them and to the use of the dispersions in coating materials.Type: GrantFiled: January 25, 2006Date of Patent: August 5, 2008Assignee: Bayer AktiengesellschaftInventors: Martin Melchiors, Rolf Gertzmann, Sandra Grosskopf, Raul Pires
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Patent number: 7288586Abstract: A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates.Type: GrantFiled: December 2, 2005Date of Patent: October 30, 2007Assignee: Eastman Chemical CompanyInventors: Mark Edward Stewart, Emerson Eston Sharpe, Jr., Benjamin Bradford Gamble, Steven Lee Stafford, Robert Noah Estep, James Carl Williams, Thomas Roger Clark
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Patent number: 7196123Abstract: 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 compound (C) having one or more epoxy groups under an inert gas atmosphere and not less than 102° C. in a solid phase, and further, at a temperature lower than a melting point of the polyester block copolymer composition (R) obtained.Type: GrantFiled: April 30, 2003Date of Patent: March 27, 2007Inventor: Jun Watanabe
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Patent number: 7129278Abstract: The overall performance of water-reducible polymer dispersions, more specifically alkyd dispersions, can be substantially improved by utilizing resins derived from acidolysis reaction products of polyalkylene terephthalates and polyalkylene naphthalates. According to this invention, polymer dispersions can be produced from low acid value polymers and yet have good water dispersibility. When an aqueous coating composition is formulated using the dispersion of this invention, a final coating is formed that has good hydrolytic stability, and when blended with a latex, exhibits improved gloss and wet adhesion.Type: GrantFiled: February 16, 2001Date of Patent: October 31, 2006Assignee: The Sherwin-Williams CompanyInventors: Paul M. Kayima, Joseph L. McJunkins, James K. Marlow, Madhukar Rao, Richard F. Tomko, Syed Y. Hasan
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Patent number: 7105106Abstract: Thermotropic liquid crystalline polymers are produced by the reaction of a polyester made from an aromatic dicarboxylic acid and a diol, one or more hydroxycarboxylic acids, a stoichiometric excess of an aromatic diol, and a carboxylic acid anhydride. Also disclosed are novel liquid crystalline polymers that may be produced by this process. These liquid crystalline polymers are useful as molding resins and shaped articles thereof are produced. In particular, the articles include films, sheets, containers and portions thereof comprising these LCPs.Type: GrantFiled: July 11, 2003Date of Patent: September 12, 2006Assignee: E. I. du Pont de Nemour and CompanyInventors: Michael Robert Samuels, Marion Glen Waggoner, Julius Uradnisheck
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Patent number: 7022760Abstract: The invention relates to aqueous crosslinkable binder dispersions comprising hydroxy-functional copolymers based on ethylene glycol monoallyl ether, to a process for preparing them and to the use of the dispersions in coating materials.Type: GrantFiled: March 18, 2003Date of Patent: April 4, 2006Assignee: Bayer AktiengesellschaftInventors: Martin Melchiors, Rolf Gertzmann, Sandra Grosskopf, Raul Pires
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Patent number: 6881785Abstract: An aqueous dispersion based on an amorphous unsaturated polyester resin obtained by polycondensing a mixture of Dicidol isomers and one or more saturated and/or unsaturated dicarboxylic acids.Type: GrantFiled: December 22, 2003Date of Patent: April 19, 2005Assignee: Degussa AGInventors: Patrick Glöckner, Martina Ortelt, Werner Andrejewski, Alessandro Cerri, Lutz Mindach, Stephan Kohlstruk
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Patent number: 6861468Abstract: A polyester resin composition containing a thermoplastic polyester resin; a polyester copolymer containing a monomer having at least one of an amino group, an imino group, an amido group, and a sulfonic acid group; a layered silicate; and an antioxidant. The monomer having at least one of an amino group, an imino group, an amido group, and a sulfonic acid group is contained in the polyester copolymer in an amount of 5 to 15 mol %. The monomer having at least one of an amino group, an imino group, an amido group, and a sulfonic acid group is contained in the polyester resin composition in an amount of 1 to 5 mol % based on a total polyester content of the polyester resin composition. The antioxidant is contained in the polyester resin composition in an amount of 0.01% to 1.0% by mass.Type: GrantFiled: September 26, 2003Date of Patent: March 1, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Tetsuya Yoshida, Yukio Shirokura, Tadahiro Kegasawa, Masami Okamoto
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Patent number: 6838018Abstract: An object of the present invention is to provide a liquid crystalline polyester resin composition to produce a molded article without generating black foreign materials even if exposed to high temperature. This object is achieved by providing a liquid crystalline polyester resin composition comprising a liquid crystalline polyester and at least one phosphite compound of the formula (I): wherein, R1 represents a hydrogen atom or, an alkyl group having 1 to 4 carbon atoms or a phenyl group, and R2 represents an alkyl group having 1 to 4 carbon atoms or a phenyl group.Type: GrantFiled: March 14, 2003Date of Patent: January 4, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Satoshi Okamoto, Manabu Hirakawa
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Patent number: 6833405Abstract: Excellent tracking index as well as flame-resistant properties are achieved with other desirable characteristics of LCPs in a resin composition consisting essentially of: a) a wholly aromatic polyester which is melt processible and which displays anisotropy in the molten state; b) a non-conductive filler material having a diameter of less than about 3 m, with said non-conductive filler material being present in an amount sufficient to increase the comparative tracking index (CTI) rating of said composition to above 220 volts and render the composition non-burning. Optionally, an extraordinarily small amount of non-volatile fluorescent brightener can be added to the resin composition. In combination with the non-conductive filler, the fluorescent brightener is found to surprisingly and significantly improves the flame-retardant property of the resin. Such compositions are advantageously employed in electrical and electronic apparatuses.Type: GrantFiled: July 5, 2000Date of Patent: December 21, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: Steve Gust Cottis
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Patent number: 6794432Abstract: The invention concerns transparent, flame-retardant, single layered or multilayered thermoformable films, containing a crystallizable thermoplastic material, preferably polyethyleneterephthalate, and at least one flame retarding agent as main components. Said films are characterized by good stretchability, thermoformability and good mechanical and optical properties, which makes them and the shaped bodies made from said films suitable for both inner and outer applications.Type: GrantFiled: July 18, 2002Date of Patent: September 21, 2004Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Ulrich Kern, Andreas Stopp, Guenther Crass
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Patent number: 6786964Abstract: A fine particle of aluminum hydroxide is disclosed, comprising a particulate aluminum hydroxide X having a specific surface area of 1.0 m2/g or less and a secondary particle size of 35 to 150 &mgr;m, a particulate aluminum hydroxide Y having a specific surface area of 1.0 m2/g or less and a secondary particle size of 10 to 35 &mgr;m and a particulate aluminum hydroxide Z having a specific area of 3.0 m2/g or less and a secondary particle size of 0.5 to 10 &mgr;m, in a compositional mass ratio falling in the area surrounded by four points of Point &agr;, Point &bgr;, Point &ggr; and Point &dgr; including the lines in the ternary composition diagram shown in FIG. 1. By this fine particle of aluminum hydroxide, a fine particle of aluminum hydroxide and a resin composition comprising the fine particle of aluminum hydroxide, which can be reduced in the viscosity at the filling in a resin and attain high filling and when filled in a thermosetting resin, can be shortened in the curing time, can be provided.Type: GrantFiled: July 16, 2001Date of Patent: September 7, 2004Assignee: Showa Denko Kabushiki KaishaInventors: Akira Onishi, Yukihiko Takahashi
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Patent number: 6767956Abstract: A process for producing an aqueous dispersion of a polymer in an aqueous medium having a viscosity below 10 Pa.s, in which the polymer is dispersed in an aqueous medium in an extruder at a temperature above 100° C., the pressure inside the extruder being maintained above atmospheric pressure so that the aqueous medium does not boil inside the extruder.Type: GrantFiled: March 11, 2003Date of Patent: July 27, 2004Assignee: Imperial Chemical Industries plcInventors: Riaz Ahmad Choudhery, Kenneth Andrew Murray, Stephen Barry Downing, David John Southgate
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Patent number: 6762235Abstract: A polybutylene terephthalate resin having 30 eq/t or less of carboxyl end group, a crystallization temperature in a temperature decrease of 175° C. or higher and an amount of residual tetrahydrofuran of 300 ppm by weight or less; and compositions and molded articles comprising the resin and glass fiber, antioxidants and mold-releasing agents is provided. The polybutylene terephthalate resin can be molded in a short molding cycle, exhibits excellent resistance to hydrolysis and mold-releasing property, causes no corrosion of metals and generates little gas during molding. The compositions and the molded articles exhibit improved impact resistance, stability under heating and oxidation and mold-releasing property and can be advantageously used for members in electric and electronic products and in automobiles.Type: GrantFiled: April 19, 2002Date of Patent: July 13, 2004Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Kunihiro Takenaka, Ryo Saito, Hidekazu Shoji
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Patent number: 6759458Abstract: A black thermoplastic molding composition which containing a dye combination made from nonabsorbing, non-black polymer-soluble dyes which produce a black thermoplastic molding composition which is translucent or transparent to laser light.Type: GrantFiled: August 16, 2001Date of Patent: July 6, 2004Assignee: Ticona GmbHInventor: Frank Reil
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Patent number: 6699931Abstract: The present invention relates to modified alkyd polymers, and compositions made from such polymers, wherein the alkyd polymers are modified with polyol-containing latex compositions and/or diol-containing latex compositions. The invention further relates to compositions prepared from such modified alkyd compositions.Type: GrantFiled: March 8, 2002Date of Patent: March 2, 2004Assignee: Eastman Chemical CompanyInventors: Thauming Kuo, John David Moncier, Allan Scott Jones, David Logan Murray, Mahendra Kumar Sharma
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Patent number: H2169Abstract: A method of making a polyethylene terephthalate/polyolefin blend for sheeting and thermoformed articles which has improved color stability and can be recycled many times. A heat stabilizer is melt blended only with the polyolefin prior to its incorporation into the polyethylene terephthalate. The PET and polyolefin are then blended and extruded into sheeting and subsequently thermoformed into articles useful as microwave oven trays.Type: GrantFiled: April 16, 1991Date of Patent: September 5, 2006Assignee: Shell Oil CompanyInventors: Donald Edward Richeson, Clem Branum Shriver