Of Cross-linked Polyester Patents (Class 428/482)
  • Patent number: 7624879
    Abstract: A filter made from a blend of a polymeric fibrous pulp having a length weighted average fiber length between 0.5 and 1.1 mm and a polymeric fibrous micropulp having a volume weighted average fiber length between 1.0-200.0 micrometers in which the ratio of average fiber length of the fibrous pulp to fibrous micropulp is greater than or equal to about 4:1.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: December 1, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Arnold Frances
  • Publication number: 20090246513
    Abstract: The invention relates to an anti-fog coating for a surface of a substrate comprising: a first polymer layer resulting from covalently bonding a polyanhydride polymer to said surface; and a second polymer layer resulting from covalently bonding a polymer selected from the group consisting of polyvinyl alcohol, partially hydrolyzed polyester, polyether and cellulose derivative; said surface having nucleophilic groups. A substrate having an anti-fog coating, as well as a process for preparing said anti-fog coating to the surface of a substrate is also provided.
    Type: Application
    Filed: November 16, 2006
    Publication date: October 1, 2009
    Applicant: Université Laval
    Inventors: Gaetan Laroche, Diego Mantovani, Pascale Chevalier
  • Publication number: 20090220757
    Abstract: The present invention relates to a multi-layer oriented shrink film comprising at least one skin layer comprising a polystyrene material and at least one core layer comprising a polyolefin layer. The films are preferably primarily oriented in either the machine or the cross direction. These films are ideally suited for use as a shrink label which can be applied either as a CD shrink sleeve or applied using a continuous roll process. The films ideally have an overall density of less than 1.0 g/cm3, to facilitate recycling efforts.
    Type: Application
    Filed: November 2, 2006
    Publication date: September 3, 2009
    Inventors: Rajen M. Patel, Debra H. Niemann, Pak-Wing S. Chum, Morris Amon, Evgueni Rozenbaoum, Chia-Hsi Chu
  • Publication number: 20090208765
    Abstract: The invention includes a multilayer film having at least 2 layers: (A) an adhesive layer comprising at least 40 weight percent of an ethylene/alkyl acrylate copolymer having a Vicat point (ASTM D 1525) of no more than 40 centigrade (° C.), at least 1 and at most 10 weight percent of an ethylene/alpha, beta-ethylenically unsaturated carboxylic acid copolymer, and at least 20 weight percent of a low density polyethylene, and 0 to at most 7 weight percent filler, hereinafter referred to as composition A; and (C) a barrier layer comprising at least 90 weight percent high density polyethylene, hereinafter referred to as composition C, in each layer, the percentages being based upon combined weight of polymers and filler and selected to total 100 percent by weight.
    Type: Application
    Filed: May 17, 2007
    Publication date: August 20, 2009
    Inventors: Robert L. McGee, Allen W. Ross
  • Publication number: 20090202823
    Abstract: A cellulose ester film exhibiting: a free volume radius of 0.25 to 0.31 nm and a half-width of 0.04 to 0.1 nm, the free volume radius and the half-width being determined by positron annihilation lifetime spectroscopy; and Ro of 0 to nm and Rt of ?30 to +20 nm, Ro and Rt being defined by the following equations: Equation (a): Ro=(nx?ny)×d; Equation (b): Rt=((nx+ny)/2?nz)×d (Ro: in-plane retardation, Rt: retardation in the thickness direction of the film, nx: in-plane refractive index in slow axis direction, ny: in-plane refractive index in fast axis direction, nz: refractive index in the thickness direction of the film (refractive indexes being measured at wavelength of 590 nm), d: thickness of the film (nm)).
    Type: Application
    Filed: April 13, 2009
    Publication date: August 13, 2009
    Inventor: Takashi Murakami
  • Patent number: 7563501
    Abstract: The invention includes methods for imparting spectral characteristics to composite materials by coating prepreg or dry reinforcement materials with pigment, then processing the prepreg or dry reinforcement materials using conventional composite processing methods. The resulting composite material products are lightweight and have durable treatments. The invention further includes composite materials with spectral characteristics imparted by the methods of the invention.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: July 21, 2009
    Assignee: General Dynamics Land Systems
    Inventor: Jared Strait
  • Publication number: 20090123756
    Abstract: A matt multiplayer polyester film includes at least to layers A and B, wherein the polyester of the layer A is a polyester with a glass transition temperature TgA of 30 to 70° C. consisting of (a) 60 to 95 wt % of a polyester and (b) 5 to 40 wt % of an incompatible resin, while the main one of the polyesters of the layer B is a copolyester with a melting point TmB of 120 to 210° C., the surface glossiness of the layer A being less than 50%.
    Type: Application
    Filed: November 14, 2006
    Publication date: May 14, 2009
    Applicant: TORAY INDUSTRIES, INC a corporation of Japan
    Inventors: Kokichi Hashimoto, Kenichi Yakushidoh, Masahiro Kimura
  • Patent number: 7527853
    Abstract: There is provided a conductive film which is formed by laminating an anchor coating layer containing a polyester resin and an acrylic resin having an oxazoline group and a polyalkylene oxide chain as constituents and a transparent conductive coating layer on at least one surface of a base material film in this order and which has a total light transmittance of at least 60% and a surface resistance value of 1×101 to 1×104?/ This conductive film has excellent transparency and conductivity, can retain a satisfactory conductive performance even when an external force is applied since adhesion between the base material and the transparent conductive coating layer is good, and is suitably used as a transparent electrode or electromagnetic shielding material for a liquid crystal display (LCD), transparent touch panel, organic electroluminescent device and inorganic electroluminescent lamp.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: May 5, 2009
    Assignee: Teijin Dupont Films Japan Limited
    Inventor: Masato Asai
  • Patent number: 7524547
    Abstract: Sheet molding composition formulation includes a thermoset cross-linkable polymeric resin. A moisture reducing polymeric additive includes at least one of polystyrene; poly C1-C4 alykylmethacrylate; a copolymer of styrene with at least one of butadiene, acrylonitrile and vinyl chloride; or a combination of polystyrene, polyaklymethacrylate and or a styrene copolymer. Moisture reducing polymeric additive is present within the formulation from between 1 and 20 total weight percent. An article formed from such a sheet molding composition formulation defines an article shape and has a surface that sets the article shape with less than 0.5 total weight percent water after 96 hours exposure and 100° F. 100% humidity. The article shape is amendable to receiving a vapor barrier coating applied to the articles shape surface. A powder prime coating over lies the barrier coating and achieves surface finish results comparable to article shapes formed of steel.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: April 28, 2009
    Assignee: Continential Structural Plastics, Inc.
    Inventors: Brian A. Beach, Brad Haskell, Michael J. Siwajek, Probir K. Guha
  • Publication number: 20090020225
    Abstract: The use of a composition of low or no tack at 20° C. as an adhesive that can be adhered to itself (referred to below for short as an autoadhesive).
    Type: Application
    Filed: January 23, 2007
    Publication date: January 22, 2009
    Applicant: BASF SE
    Inventors: Dirk Wulff, Axel Weiss, Jose Maria Torres Llosa, Christofer Arisandy
  • Publication number: 20090017320
    Abstract: Disclosed are laminated articles comprising a first polymer layer and a second polymer layer having an inclusion embedded between the layers, wherein at least one layer comprises a branching agent to improve dimensional stability during the lamination process. Disclosed are laminated articles comprising a first polymer layer and a second polymer layer having an inclusion embedded between the layers, wherein at least one layer comprises a copolyester comprising a branching agent to improve dimensional stability during the lamination process. Also disclosed are methods of laminating a first layer and a second layer with an inclusion between the layers to form a laminated article with an embedded inclusion, wherein at least one layer comprises a copolyester comprising a branching agent.
    Type: Application
    Filed: July 13, 2007
    Publication date: January 15, 2009
    Inventors: Michael Eugene Donelson, Ryan Thomas Neill, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
  • Publication number: 20080220198
    Abstract: A method for producing a laminate having a structure of an organic layer and an inorganic layer laminated thereon, which comprises polymerizing a mixture that contains a monomer of the following formula (1) wherein m is 2 and a monomer of the following formula (1) wherein m is 3 or more, thereby forming the organic layer: wherein R1 represents a hydrogen atom or a methyl group; and L represents an m-valent linking group.
    Type: Application
    Filed: February 19, 2008
    Publication date: September 11, 2008
    Inventors: Jiro Tsukahara, Yuya Agata
  • Publication number: 20080171212
    Abstract: A protective coating including a crosslinked polyester that is removable with a basic composition, as well as coated articles, methods of preparing a protective coating, and methods of using a protective coating.
    Type: Application
    Filed: June 9, 2005
    Publication date: July 17, 2008
    Applicant: NORTH DAKOTA STATE UNIVERSITY
    Inventors: Tara J. Shedlosky, Gordon P Bierwagen, Dean C. Webster, Andrew M. Huovinen
  • Patent number: 7399518
    Abstract: 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, pinhole resistance, bending resistance, bag breakage resistance on dropping, impact resistance and the like, fields requiring thermoforming or vacuum forming, and various uses such as packaging bags for water-containing food, pharmaceutical products and the like. [Solving Means] The polyester film characteristically shows an initial elastic modulus in at least one direction of 2.5-10 GPa, an impact strength of 40-10000 J/mm, a thermal shrinkage in at least one direction at 150° C. of ?0.5% to 6%, a haze of 0.001% to 7%, and an absolute value of the difference in the thermal shrinkage between the longitudinal direction and the transverse direction of not more than 1.1%.
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: July 15, 2008
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Katsuya Ito, Yukinobu Mukoyama
  • Patent number: 7393575
    Abstract: A damper component for absorbing and dissipating vibration and/or noise resonating from a device is provided. The damper component includes a viscoelastic damper layer, and a continuous constraining layer intimately contacting and encasing the damper layer. The constraining layer has a greater stiffness and higher modulus of dynamic shearing elasticity than the damper layer. The constraining layer is a molded sheet molding compound that is substantially immiscible with the viscoelastomer to provide a discrete interface between the constraining layer and the damper layer.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: July 1, 2008
    Assignee: Material Sciences Corporation
    Inventor: Daniel Boss
  • Patent number: 7387843
    Abstract: Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived from one or more drying, semi-drying or nondrying oils. When drying or semi-drying oils are used, the molecules of the present invention exhibit a dual cure, both oxidative and free radical. The compositions are particularly suitable for coating substrates comprising wood. Methods for using the present compositions are also disclosed.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: June 17, 2008
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Roy E. Dean, David A. Diehl, Truman F. Wilt, Ronald R. Ambrose, Michael J. Ziegler, William H. Retsch, Jr.
  • Patent number: 7381485
    Abstract: A magnetic recording tape comprising a nonmagnetic support and a magnetic layer containing ferromagnetic powder and a binder, wherein the nonmagnetic support has an intrinsic viscosity of from 0.40 to 0.60 dl/g and a number average molecular weight of from 12,000 to 24,000, and a distance between an apex of a maximum convexity and a valley of a maximum concavity of the nonmagnetic support on a cross section of an edge of the tape made by cutting the tape in a transverse direction is 2 ?m or less in the transverse direction.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: June 3, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuo Ishikawa, Mikio Ohno, Tomohiro Ichikawa
  • Patent number: 7381472
    Abstract: The present invention provides a coating composition, and coated substrates and articles. The coating composition includes a binder containing a polyester resin that is formed using at least one aromatic, dicarboxylic acid and at least one asymmetric diol. The present invention also provides coating compositions that may be used on articles where excellent outdoor durability is desired. A method of coating and fabricating a substrate is also included.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: June 3, 2008
    Assignee: Valspar Sourcing, Inc.
    Inventors: Larry B. Brandenburger, Abdel Hamid Yassin, Ted Robert Best
  • Patent number: 7368188
    Abstract: A magnetic recording medium including a polymer support having thereon at least one magnetic layer containing a ferromagnetic metal powder having an average major axis length of from 20 to 100 nm or a ferromagnetic hexagonal ferrite powder having an average tabular diameter of from 5 to 40 nm and a binder, the polymer support having an intrinsic viscosity of from 0.47 to 0.51 dL/g, a Young's modulus in the machine direction of from 7.0 to 8.6 GPa, a Young's modulus in the transverse direction of from 5.4 to 8.0 GPa, and a breaking strength in the transverse direction of from 370 to 450 MPa.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: May 6, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Katsuhiko Meguro, Masatoshi Takahashi
  • Patent number: 7358325
    Abstract: 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 of the compositions and articles are biocompostable. The films can further be used to form shaped articles such as sheets, food packaging such as sandwich wraps, thermoformed containers, and coatings for, for example, films and other substrates. The sulfonated aromatic copolyesters contain a hydroxyalkanoic acid component.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: April 15, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Patent number: 7341785
    Abstract: Composite articles are prepared by a spray up operation. In a first step, a gel coat is applied onto a mold surface which has been optionally pretreated with a mold release coating. Next, a barrier coat is applied over the gel coat in the mold and thereafter a laminate formula is applied over the barrier coat. The laminate contains from 40-80% by weight paste and from 20-60% by weight reinforcing fibers. In a preferred embodiment, the paste comprises 90% or more by weight resin, up to 5% filler, and an initiator composition capable of initiating cure at a temperature of 50° C. or lower. In a preferred embodiment, the multilayer composite has a thickness of about 15 mm or less, and is useful as an automobile body panel. The laminate preferably comprises a low shrink, low density glass fiber filled polyester resin.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: March 11, 2008
    Assignee: General Motors Corporation
    Inventors: Hamid G Kia, Harry A Mitchell, Terrence J Wathen, Mark A Buffa
  • Patent number: 7320829
    Abstract: A reactive fluorinated polymer having polyester and polyether segments is mixed with a reactive melamine resin to form a coating composition. The polyether segment can include monomeric units from an oxetane monomer having pendant fluorine groups that are linked to the oxetane via an ether group. The melamine resin can be a lower alkyl etherified melamine-formaldehyde. The composition can be disposed on a substrate and treated to form a laminate.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: January 22, 2008
    Assignee: OMNOVA Solutions Inc.
    Inventors: Joe A. Wright, Daniel D. Woodland, Raymond J. Weinert, Jr., James E. Robbins, Robert E. Medsker, Edward N. Kresge, Daniel C. Gottschalk, Guillermina C. Garcia, Martin J. Fay
  • Patent number: 7258911
    Abstract: Acrylic matt thermoplastic resin films having excellent printability, flex whitening resistance, impact resistance and solvent resistance, and a process for the preparation thereof are provided. The films made of a thermoplastic resin composition comprising 100 parts by weight of an acrylic resin (A) and 0.5 to 20 parts by weight of a crosslinked acrylic polymer (B) as a matting agent are prepared by a process wherein the resin composition is kneaded and formed into a film, and the both surfaces of the film are simultaneously brought into contact with rolls between them, one roll being kept at a temperature of not less than the glass transition temperature Tg of the resin composition and the other roll being kept at a temperature of less than the Tg, whereby the film surface contacted with the roll having a temperature of Tg or higher is converted into a mirror surface and the film surface contacted with the roll having a temperature lower than Tg is converted into a matt surface.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: August 21, 2007
    Assignee: Kaneka Corporation
    Inventors: Yukihiro Shimamoto, Juichi Nishimura
  • Patent number: 7255904
    Abstract: The present invention provides a resin composition having an oxygen scavenging function. The resin composition comprises 70 to 99.9 wt % of a polyvinyl alcohol resin (A) and 0.1 to 30 wt % of a thermoplastic resin (B) other than the polyvinyl alcohol resin (A), wherein the thermoplastic resin (B) has a carbon-carbon double bond and a functional group including a hetero atom, and an oxygen absorption rate of the resin composition is 0.001 ml/m2·day or more.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: August 14, 2007
    Assignee: Kuraray Co., Ltd.
    Inventors: Shinji Tai, Hiroyuki Shimo, Masakazu Nakaya, Mizuho Maeda
  • Patent number: 7235297
    Abstract: The present invention fulfils desired specifications generally rarely encountered with existing solid supports such as highly amphiphile behaviour. The solid support described herein is a poly(ethylene or propylene)glycol based polymer that can be useful in solid and liquid phase synthesis, chromatography, scavenging purposes and immobilisation of proteins and reagents. More specifically, the solid support is a cross-linked polyether derived from a cross-linked polyester which is obtained by copolymerization of at least one monomer comprising (a) one-ended polymerizable vinyl or allyl ketone, ester, ether or mixtures thereof with at least one cross-linker having at least two polymerizable terminal end groups, with the exception of epoxy and oxetane end groups, or (b) divinyl benzene. The method for the preparation of the cross-linked polyether is also disclosed.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: June 26, 2007
    Assignee: Matrix Innovation Inc.
    Inventor: Simon Côté
  • Patent number: 7226665
    Abstract: A multilayer composite contains a gel coat layer, a laminate layer, and a barrier layer disposed between the gel coat and the laminate layer. The laminate contains from 40–80% by weight paste and from 20–60% by weight reinforcing fibers. The barrier coat also comprises a cured polyester resin, and contains reinforcing fibers shorter than those in the laminate layer. The barrier layer has sufficient flexibility to avoid cracking during demolding and handling. Preferably, the barrier layer exhibits an elongation at break of more than 1%, and more preferably about 2% or more. The resin of the barrier layer can contain up to about 25% by weight of the resin of an isophthalic acid based polyester resin. The composites can be made using an open tool molding process.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: June 5, 2007
    Assignee: General Motors Corporation
    Inventors: Hamid G Kia, Terrence J Wathen, Mark A Buffa, Harry A Mitchell
  • Patent number: 7226664
    Abstract: The present invention is to provide a laminated polyester film with excellent adhesive properties for use in a laminating material, and the laminated polyester film is a film in which a resin layer including a polyester resin and a oxazoline-based cross-linking agent is laminated on at least one side surface of polyester film, diethylene glycol accounts for 40 mole % or more of all diol components constituting the polyester resin and the mass ratio of the polyester resin to the oxazoline-based cross-linking agent resin layer is within a range of 20/80 to 80/20. Furthermore, the present invention is to provide a flame-retardant polyester film in which a polyimide-including layer is laminated on both sides of the laminated polyester film and also a copper-clad laminated plate in which the flame-retardant polyester film is used, and also a circuit substrate in which the copper-clad laminated plate is used.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: June 5, 2007
    Assignee: Toray Industries, Inc.
    Inventors: Shotaro Tanaka, Junpei Ohashi, Yasushi Takada
  • Patent number: 7193029
    Abstract: The present invention provides certain sulfonated copolyetherester compositions containing hydroxyalkanoic acids and processes for producing such sulfonated aromatic copolyetheresters. The invention further provides shaped articles, preferably in the shape of films, coatings and laminates, having improved thermal properties, wherein the shaped articles are produced from the certain sulfonated copolyetherester compositions. Some of these materials are also biocompostable. The sulfonated copolyetheresters are produced from a mixture of an aromatic dicarboxylic acid component, hydroxyalkanoic acid component, a sulfonate component, a poly(alkylene ether) glycol component, a glycol component, an optional other glycol component, an optional branching agent, and an optional color reducing agent.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: March 20, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Patent number: 7186465
    Abstract: An electronic device on a plastic substrate, at least one side of the device being protected from reaction with or incorporation of moisture by a composite barrier. The composite barrier may contain, for example, multiple layers of transparent conductive oxide separated by one or more vacuum-evaporated in-situ polymerized organic layers, or may contain multiple barrier layers of transparent conductive oxide, transparent metal, or transparent conductive metal nitride, separated by at least one layer of organic dielectric polymer.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: March 6, 2007
    Assignee: 3M Innovative Properties Company
    Inventor: Clark I. Bright
  • Patent number: 7182995
    Abstract: Disclosed herein is a plated-polyester article with a plating layer formed on the surface of a polyester article. The polyester article is irradiated with ionizing radiation to crosslink a polyester resin, the arithmetic mean roughness Ra of the surface of the plating layer is at most 1 ?m, and adhesion strength between the polyester article and the plating layer is at least 2 MPa. A production process of a plated-polyester article, which comprises the step of melt-forming a resin composition obtained by dispersing an inorganic filler having an average particle diameter of 1 to 10 ?m in a proportion of 5 to 20 vol. % in a polyester resin, which can be crosslinked by irradiation with ionizing radiation, into a polyester article, is also disclosed.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: February 27, 2007
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Koji Muto, Hiroshi Hayami, Yoshito Sakamoto, Shinya Nishikawa, Shohei Okabe
  • Patent number: 7172800
    Abstract: A damper component for absorbing and dissipating vibration and/or noise resonating from a device is provided. The damper component includes a viscoelastic damper layer, and a continuous constraining layer intimately contacting and encasing the damper layer. The constraining layer has a greater stiffness and higher modulus of dynamic shearing elasticity than the damper layer. The constraining layer is a molded sheet molding compound that is substantially immiscible with the viscoelastomer to provide a discrete interface between the constraining layer and the damper layer.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: February 6, 2007
    Assignee: Material Sciences Corporation
    Inventor: Daniel Boss
  • Patent number: 7150915
    Abstract: Composite articles are prepared by a spray up operation. In a first step, a gel coat is applied onto a mold surface. Next, a barrier coat is applied over the gel coat in the mold and thereafter a laminate formula is applied over the barrier coat. In a preferred embodiment, the multilayer composite has a thickness of about 15 mm or less, and is useful as an automobile body panel. The gel coat contains a curable polyester polyurethane acrylate resin, and the composite article has a surface that has high gloss and color retention after prolonged exposure to ultraviolet radiation.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: December 19, 2006
    Assignee: General Motors Corporation
    Inventors: Sheila F Kia, Devi N Rai, Hamid G Kia
  • Patent number: 7018689
    Abstract: A heat-shrinkable polyester film comprising a polyester base film and a coat layer formed on one or both sides of the polyester base film, said coat layer comprising a copolymerised polyester having carboxyl group terminals and Tg in the range of 70 to 80;É, exhibits superior properties suitable for labeling or shrink-wrapping containers.
    Type: Grant
    Filed: November 2, 2002
    Date of Patent: March 28, 2006
    Assignee: SKC Limited
    Inventors: Junggyu Lee, Jonghyuk Eun, Namil Kim, Sangil Kim, Yongin Park, Changju Lee
  • Patent number: 7005176
    Abstract: An optical adhesive polyester film comprising (A) a polyester film layer containing an aromatic polyester and an ultraviolet absorber and (B) a coating formed on at least one surface of the polyester film (A). The coating (B) contains at least one polymer selected from the group consisting of a coating polyester having a glass transition point of 40 to 100° C. and an acryl polymer having a glass transition point of 20 to 80° C. in an amount of 50 to 95% by weight based on the coating. The optical adhesive polyester film is disposed on the front of a plasma display so as to block externally incoming ultraviolet light.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: February 28, 2006
    Assignee: Teijin Dupont Films Japan Limited
    Inventors: Mitsuo Tojo, Koji Kubo, Shinji Yano, Tetsuo Ichihashi
  • Patent number: 7001667
    Abstract: Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd, portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived from one or more drying, semi-drying or nondrying oils. When drying or semi-drying oils are used, the molecules of the present invention exhibit a dual cure, both oxidative and free radical. The compositions are particularly suitable for coating substrates comprising wood. Methods for using the present compositions are also disclosed.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: February 21, 2006
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Roy E. Dean, David A. Diehl, Truman F. Wilt, Ronald R. Ambrose, Michael J. Ziegler, William H. Retsch, Jr.
  • Patent number: 6995194
    Abstract: A radiation curable powder coating composition is disclosed, which comprises a blend of (meth)acryloyl group containing polyphenoxy resin, a (meth)acryloyl group containing resin other than the polyphenoxy resin and other than a (meth)acryloyl group containing amorphous polyester and, eventually, a (meth)acryloyl group containing monomer or oligomer. These powders give coatings with improved chemical resistance and flexibility.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: February 7, 2006
    Assignee: Surface Specialties, S.A.
    Inventors: Luc Moens, Kris Buysens, Daniel Maetens
  • Patent number: 6991849
    Abstract: A near infrared screening film which consists of a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C. and which has a haze value of 5% or less and a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more and which is exemplified by having optical properties at visible and near infrared ranges which satisfy the following expressions (1) to (4): 1<T(850)<20??(1) 1<T(950)<20??(2) ?10<T(620)?T(540)<10??(3) ?10<T(450)?T(540)<10??(4) wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: January 31, 2006
    Assignee: Teijin Limited
    Inventor: Taro Oya
  • Patent number: 6960376
    Abstract: The oxygen absorptive resin composition of the present invention includes: a thermoplastic resin (a) having carbon-carbon double bonds; a gas barrier resin (b) having an oxygen transmission rate of 500 ml·20 ?m/m2·day·atm or less (20° C. 65% RH); and a transition metal salt (c). This resin composition and molded articles formed using the resin composition effectively absorb and scavenge oxygen when used to package products susceptible to degradation by oxygen, such as foods and drinks.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: November 1, 2005
    Assignee: Kuraray Co., Ltd.
    Inventors: Shinji Tai, Hiroyuki Shimo, Masakazu Nakaya, Hideo Takamatsu, Mizuho Maeda
  • Patent number: 6926945
    Abstract: There is provided an easily adhesive, biaxially oriented laminated polyester film for optical use which has excellent adhesion, transparency and easy slipperiness. The biaxially oriented laminated film has a coating layer formed on at least one surface of an aromatic polyester film, the coating layer containing either a polyester resin, an acrylic resin and wax or a polyester resin and an acrylic resin having an oxazoline group and an alkylene oxide chain.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: August 9, 2005
    Assignee: Teijin Dupont Films Japan Limited
    Inventors: Shinji Yano, Koji Kubo
  • Patent number: 6905770
    Abstract: A method of protecting a glazed frame mounted document from the ravages of light and a fade protector therefore, the protector comprising a transparent UV absorbing polymeric film layer, preferably PET, having a thickness such that the film in use remains substantially flat against the glazing when clamped between the frame and glazing, the film layer being coated on its exposed side in use with a transparent anti-glare hard coating. The glazing is removed from the glazed frame, the fade protector is placed against a surface of the glazing which is then re-assembled in the frame with the fade protector adjacent the eternal surface of the glazing with the anti-glare coating facing outwardly.
    Type: Grant
    Filed: March 15, 2003
    Date of Patent: June 14, 2005
    Assignee: CPFILMS, Inc
    Inventors: David Newton Kaliser, William Dean Jarrett, Philip J Solomon, Steven A Barth, Mary Elizabeth Lawless, James P Enniss
  • Patent number: 6902820
    Abstract: Coating compositions comprising: A) least one hydroxy-functional polyester with at least two hydroxyl groups per molecule, wherein at least one of which hydroxyl groups is a tertiary hydroxyl group, and the polyester has a number average molecular weight Mw of 200 to 5000, and contains as a structural element 10-90 wt-%, relative to the total quantity of polyester, of at least one acid ester group comprising a tertiary hydroxyl group and of the following general formula I ?wherein R1 is a single bond or a C1-C6 alkyl group, R2 and R3 mutually independently mean a C1-C4 alkyl group, B) optionally, at least one additional hydroxy-functional binder other than A) and C) at least one cross-linking agent which is capable of entering into a cross-linking reaction with the OH-groups of components A) and B.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: June 7, 2005
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jos Huybrechts, Ann Vaes, Lieve Bastin, Leen Tanghe
  • Patent number: 6893731
    Abstract: This invention provides a water-based composition suitable for use on polyester-based substrates for increasing adhesion between the substrate and a topcoat or overcoat. The composition comprises: (1) a latex polymer formed from the polymerization of at least one monomer selected from the group consisting of bicyclic alkyl (meth)acrylates and aromatic (meth)acrylates and at least one monomer which imparts to the polymer the ability to be crosslinked; (2) a water soluble or water dispersible polymer selected from the group consisting of acrylate-based resins, sulfonated polyester-based resins and combinations thereof; and (3) a crosslinking agent.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: May 17, 2005
    Assignee: 3M Innovative Properties Company
    Inventor: William L. Kausch
  • Patent number: 6861150
    Abstract: The present invention is directed to a rheology control agent. The rheology control agent is used in a coating composition and is the reaction product of a first compound comprising a plurality of hydroxyl groups, of a lactone compound, and of a carbamate compound. The present invention is also directed to a coating composition including the rheology control agent and to a method of preparing the rheology control agent.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: March 1, 2005
    Assignee: BASF Corporation
    Inventors: Swaminathan Ramesh, Marvin L Green
  • Patent number: 6824847
    Abstract: A radially deployable flexible preform which, after deploying, forms a tubular structure that is curable by polymerization after positioning it in a well or in a line and moulds to the shape thereof after curing, comprises in its constitution at least one resin comprising in its chemical formula, at least one reactive multiple bond that is capable of subsequent reaction with compounds comprising in their constitution at least one terminal reactive multiple bond or a reactive multiple bond positioned at one end or the other of the molecular chain and/or on a pendant group. The long latent period heat curing resin has a glass transition temperature of at least 90° C. and can be associated with at least one polymerizable oligomer and/or at least one monomer comprising at least one multiple bond in its chemical formula. The resin can also be associated with drying reducers or flow regulators ensuring optimum retention of the fiber/matrix ratio during pressing occurring on deployment of the expandable preform.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: November 30, 2004
    Assignee: Institut Francais du Petrole
    Inventors: Paul Mariaggi, Dominique Audigier, Frédérique Hauviller
  • Patent number: 6808788
    Abstract: The strength of wood composites, including hybrid composites comprising wood members bonded to reinforced polyester members, is improved by modifying the polyester components with a polyisocyanate. Wood composites adhesively bonded with polyester resins modified according to this invention are particularly desirable for use in applications where exterior exposure is contemplated.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: October 26, 2004
    Assignee: The University of Maine
    Inventor: Ben R. Bogner
  • Patent number: 6808821
    Abstract: Disclosed is an unsaturated polyester resin composition comprising an unsaturated polyester (A) and a polymerizable unsaturated monomer (B), wherein the “shrinkage stress upon cooling” of a cured article thereof is 17 MPa or less and the ratio of the “shrinkage stress upon cooling/elastic limit” is 1 or less. The cured article has excellent gloss retention and yellowing resistance.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: October 26, 2004
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Yukiko Fujita, Takashi Tomiyama, Shigeru Motomiya
  • Patent number: 6797749
    Abstract: The invention provides a powder coating composition in which powder particles are an agglomerate of individual particulate components fused or bonded together into composite particles. Maximizing the amount of larger-sized uncolored component(s) gives cost advantages, and the invention allows a rapid and flexible manufacture of a range of colored powder coating compositions.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: September 28, 2004
    Assignee: International Coatings Limited
    Inventor: Andrew George Cordiner
  • Patent number: 6797387
    Abstract: A crosslinking agent is provided, prepared by reacting (A) an aminoplast resin; (B) a reactive urethane group-containing adduct of a polyfunctional polymer and monoisocyanate, and (C) at least one other compound having active hydrogen groups reactive with aminoplast resin (A). Compound (C) is selected from: (i) compounds having the structure (I):  wherein X is aromatic; R1, R2, and R3 each independently represents H, (cyclo)alkyl having from 1 to 12 carbon atoms, aryl, alkaryl, aralkyl, or an active hydrogen-containing group, (ii) compounds having the structure (II) or (III):  where R′ and R″ each independently represents an aromatic group or an alkyl group having 1 to 12 carbon atoms; and (iii) compounds different from (i) and (ii), having a melting point of at least 80° C. Further provided are methods for preparing the crosslinking agent, curable compositions containing the crosslinking agent, and coated substrates.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: September 28, 2004
    Assignee: PPG Industries Ohio Inc.
    Inventors: Ronald R. Ambrose, Anthony M. Chasser, Shengkui Hu, Jackie L. Smith
  • Patent number: 6790876
    Abstract: Powder compositions hardenable by radiation usable for preparing paints or varnishes, specific amorphous polyesters which are comprised within these powder compositions, the use of the paints or varnishes comprising the powder compositions for coating an article as well as articles coated with the hardened paints or varnishes are disclosed. The powder compositions of the invention are especially suited for coating over metal and heat-sensitive substrates and combine, upon melting at low temperatures and curing by radiation, a series of properties such as good flow and film hardness along with an outstanding solvent resistance.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: September 14, 2004
    Assignee: UCB, S.A.
    Inventors: Luc Moens, Kris Buysens, Nele Knoops, Daniel Maetens
  • Patent number: 6784260
    Abstract: A powder coating composition comprises at least one thermosetting resin such as epoxy resins, carboxy- or hydroxy-functional polyesters; hydroxy-, carboxyl- or glycidyl-functional acrylic resins; and/or hydroxy- or carboxyl-functional fluoropolymers, fluorochloropolymers or fluoroacrylic polymers blended with a at least one poly(phenylene ether) and at least one curing agent for the thermosetting resin.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: August 31, 2004
    Assignee: General Electric Company
    Inventors: Gary William Yeager, Michael Teruki Takemori