Solid Polymer Derived From Reactant Containing A Carboxylic Acid Ester Group Patents (Class 525/222)
  • Patent number: 7208541
    Abstract: A hot melt adhesive based on ethylene-2-ethylhexyl acrylate copolymer finds use in packaging applications where high heat resistance, as well as good cold tolerance, is required.
    Type: Grant
    Filed: August 22, 2003
    Date of Patent: April 24, 2007
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Lie-zhong Gong, Melissa L. Allen, Justin A. Mehaffy, Darshak R. Desai, Dale L. Haner, Tuyet Le
  • Patent number: 7201968
    Abstract: The present invention relates to a retortable sealant composition comprising i) at least a copolymer of propylene and ?-olefins, and ii) at least a copolymer of ethylene and alkyl acrylate, wherein the alkyl acrylate is present in an amount ranging from about 1 to less than 9 weight percent, relative to the weight of the sealant composition. It also relates to a retortable multilayer film or a retortable packaging comprising a sealant layer comprising such a composition.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: April 10, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Yves M. Trouilhet, Bernard Rioux, Jacques Andre, Sebastian Landeck
  • Patent number: 7195816
    Abstract: To provide an acrylic film, composed of a resin composition (C) that includes an acrylic graft copolymer (A) containing an acrylic ester rubber-like polymer and a methacrylic polymer (B) containing 80% by weight or more of methyl methacrylate, wherein (1) the content of the acrylic ester rubber-like polymer in the resin composition (C) is 5% by weight or more and 30% by weight or less, (2) the average particle size of the acrylic ester rubber-like polymer is 500 to 2000 ?, (3) the relationship between the average particle size d (?) of the acrylic ester rubber-like polymer and the amount w (% by weight) of crosslinking agent used in the acrylic ester rubber-like polymer satisfies the following equation: 0.002d?w?0.005d, (4) the graft ratio of the acrylic graft copolymer (A) is 30% or more and 200% or less, and (5) the reduced viscosity of methyl ethyl ketone soluble matter in the resin composition (C) is 0.2 to 0.8 dl/g.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: March 27, 2007
    Assignee: Kaneka Corporation
    Inventors: Norito Doi, Takao Shibata, Yoichi Matsumura, Shigemi Matsumoto
  • Patent number: 7179863
    Abstract: The present invention relates to the use of films, formed from an adhesive layer and a layer (A), for coating articles made of a thermoset, the adhesive layer comprising, by weiqht: 0 to 60 parts of PVDE, 10 to 100 parts of functionalized PMMA, 0 to 50 parts of an acrylic elastomer and 0 to 4 parts of a UV absorber, the total making up 100 parts, the layer (A) comprising, as main constituents, 0 to 100 parts of PVDF per 100 to 0 parts of PMMA, respectively. This film may be manufactured by coextrusion and is then fixed to the thermoset, for example by hot pressing. The invention also relates to an SMC (Sheet Moulding Compound) multilayer structure comprising, in this order: a backing film, a crosslinkable composition (the precursor of the thermoset), the above adhesive layer and the above layer (A).
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: February 20, 2007
    Assignee: Arkema France
    Inventors: Anthony Bonnet, Philippe Bussi, David Silagy
  • Patent number: 7176258
    Abstract: A water-based emulsion for vibration damper is provided for the formation of an excellent vibration damper. In an aspect, the emulsion for vibration damper contains a particle including a core part formed of an acrylic copolymer (A) and a shell part formed of an acrylic copolymer (B) which covers the core part, the glass transition point of the acrylic copolymer (B) being not lower than ?9° C., and the difference between the glass transition point of the acrylic copolymer (B) and the glass transition point of the acrylic copolymer (A) being not less than 20° C.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: February 13, 2007
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Shigeyasu Morihiro, Yukihiro Miyawaki, Dai Nagaishi
  • Patent number: 7173093
    Abstract: The invention relates to a novel, impact-resistant polymer based on PMMA.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: February 6, 2007
    Assignee: Roehm GmbH & Co. KG
    Inventors: Klaus Kabs, Oliver Mueck
  • Patent number: 7163981
    Abstract: An object of the present invention is to easily provide an aqueous paint composition which is excellent in the low-temperature curability and can give a coated film that, while retaining a suitable texturability, further combines the water resistance, the marring resistance and the beef tallow staining resistance with good balance. In addition, another object of the present invention is to provide a coated article which is coated with this aqueous paint composition.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: January 16, 2007
    Assignee: Toyota Technical Center, U.S.A, Inc. et al.
    Inventors: Scott Kubish, Jesse Fritcher, Eitarou Shimotsuma, Takashi Watanabe
  • Patent number: 7147913
    Abstract: The present invention relates to a display strip to hold commodity-containing bags. It can facilitate to make a process of attaching the bags thereto automate. It enables commodity-containing bags to be removed therefrom without having their appearance degraded. The display strip according to the present invention is utilized to hold and align a plurality of commodity-containing bags vertically for the display. It comprises at least a substrate layer and a sealant layer with the sealant layer containing an ethylene-vinyl acetate copolymer and an adhesive promoting tackifier.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: December 12, 2006
    Assignee: Ishida Co. Ltd.
    Inventors: Yoshio Iwasaki, Yukio Nakagawa, Tadao Oota, Naoji Ichise
  • Patent number: 7141297
    Abstract: Optical bodies, comprising: a plurality of first optical layers comprising a first polymer composition that comprises (i) a polyester portion having terephthalate comonomer units and ethylene glycol comonomer units; and (ii) a second portion corresponding to a polymer having a glass transition temperature of at least about 130° C.; and a plurality of second optical layers disposed in a repeating sequence with the plurality of first optical layers. Also disclosed are optical bodies comprising: (a) a plurality of first optical layers, each first optical layer being oriented; and (b) a plurality of second optical layers, disposed in a repeating sequence with the plurality of first optical layers, comprising a blend of polymethylmethacrylate and polyvinylidene fluoride. Methods of making the above-described optical bodies, and articles employing such optical bodies are also provided.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: November 28, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Peter D. Condo, Timothy J. Hebrink, John A. Wheatley, Andrew J. Ouderkirk, Andrew T. Ruff, Yaoqi J. Liu, Milton H. Andrus, Jr.
  • Patent number: 7138458
    Abstract: A method is provided for preparing an adhesive composition that contains both a hydrophobic phase and a hydrophilic phase, wherein the hydrophobic phase is composed of a crosslinked hydrophobic polymer composition and the hydrophilic phase is a water-absorbent blend of a hydrophilic polymer and a complementary oligomer capable of crosslinking the hydrophilic polymer through hydrogen bonding, ionic bonding, and/or covalent bonding. The composition is useful as a bioadhesive, for affixing drug delivery systems, wound dressings, bandages, cushions, or the like to a body surface such as skin or mucosal tissue.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: November 21, 2006
    Assignees: Corium International, Inc., A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences
    Inventors: Gary W. Cleary, Mikhail M. Feldstein, Valery G. Kulichikhin, Danir F. Bairamov
  • Patent number: 7135214
    Abstract: Textile floorcoverings composed of more than one layer have their layers bonded by an adhesive which comprises, as binder, an aqueous dispersion of a mixture made from a polymer A) at least 60% by weight of which is composed of ethylene and from a polymer B) at least 60% by weight of which is composed of vinylaromatics, dienes or mixtures of these.
    Type: Grant
    Filed: February 21, 2000
    Date of Patent: November 14, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: James Arthur Smith, Bernard Schott, Leonardus Aan de Meulen
  • Patent number: 7122595
    Abstract: The invention relates to a powder-slurry that can be hardened by actinic radiation or by thermal means, comprising (I) components containing functional groups (A) which render them hardenable by actinic radiation and components containing complementary functional groups (B) which render them thermally hardenable, in a weight ratio of 50:1 to 1:50 and/or comprising (II) components containing the functional groups (A) and (B) which render them thermally hardenable and hardenable by actinic radiation in a molar ratio of 100:1 to 1:100.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: October 17, 2006
    Assignee: BASF Coatings AG
    Inventors: Günther Ott, Ulrike Röckrath, Uwe Meisenburg, Hubert Baumgart, Reinhold Schwalm, Erich Beck, Rainer Königer, Wolfgang Paulus, Horst Binger, Rainer Blum
  • Patent number: 7112629
    Abstract: Ink-receiving print media products capable of producing high quality printed images which are light-fast, humid-fast, have low coalescence (graininess) levels, and are characterized by other beneficial attributes. The print media products have at least one ink-receiving layer supported by a substrate. The ink-receiving layer includes a binder blend designed to achieve the aforementioned goals, namely, gelatin, a poly(vinyl alcohol-polyethylene oxide) copolymer, and a poly((styrene)-(n-butyl acrylate)-(methyl methacrylate)-(2-(tert-butylamino) ethyl methacrylate)) copolymer. One or more optional pigments and/or additional binders can also be included within the ink-receiving layer. The ink-receiving layer may optionally be employed in combination with one or more additional material layers thereover or thereunder which can contain, for example, one or more pigments and/or binders.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: September 26, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Bor-Jiunn Niu, Stefan Schuttel, Meinrad Schaer
  • Patent number: 7109258
    Abstract: A polymeric material with antistatic properties, characterised by comprising a dispersion of ions within a polymeric matrix containing heteroatoms.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: September 19, 2006
    Assignees: Cryvet S.R.L.
    Inventors: Gualtiero Valeri, Vito Di Noto
  • Patent number: 7105605
    Abstract: The present invention discloses a copolymer composition for use in or as a polymeric binder in an intumescent coating, said copolymer composition comprising a blend of a Newtonian copolymer and of a reticulated copolymer, wherein the Newtonian copolymer is comprised of p-methylstyrene repeat units and 2-ethylhexylacrylate repeat units, and wherein the reticulated copolymer is comprised of p-methylstyrene repeat units and 2-ethylhexylacrylate repeat units.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: September 12, 2006
    Assignee: Eliokem S.A.S.
    Inventors: Serge Magnet, Sophie Duquesne, René Delobel, Charaf Jama
  • Patent number: 7105601
    Abstract: An adhesive resin composition comprising, based on the total weight of the composition, a first resin component having one or more glass transition temperatures of about ?15 to about 50° C.; optionally, up to about 49 weight percent of a second resin component having one or more glass transition temperatures greater than about 100° C.; and up to about 50 weight percent of a particulate inorganic filler; wherein a tan ? value of the adhesive resin composition is greater than about 0.2 over a temperature range of about ?15 to about 50° C. when measured at a frequency of 1 Hz. The adhesive resin compostions are of particular utility in suspension assemblies.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: September 12, 2006
    Assignee: World Properties, Inc.
    Inventors: Hong-Fei David Guo, Robert Henry Walker, III
  • Patent number: 7105602
    Abstract: The present invention provides a processing aid for thermoplastic resin having a weight average molecular weight of 10,000 to 300,000, which is obtained by polymerizing an alkyl (meth)acrylate, or an alkyl (meth)acrylate and another vinyl monomer copolymerizable therewith, in the presence of a mercaptan having an alkyl ester group with C4-20 alkyl group as a chain transfer agent, and/or an organic peroxide having a tertiary-butyl peroxy group as a polymerization initiator.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: September 12, 2006
    Assignee: Kaneka Corporation
    Inventors: Takenobu Sunagawa, Riichi Nishimura, Toshiyuki Mori, Akira Takaki
  • Patent number: 7094836
    Abstract: A compatibilizer including a first portion compatible with a fluoropolymer and a second portion compatible with a polyolefin. Compatibilized compositions comprising a polyolefin, a fluoropolymer, and a compatibilizer are also disclosed. Methods for forming both the compatibilizer and the blends contained in the compatibilizer are described. The compatibilized compositions of the present invention exhibit desired mechanical properties such as tensile strength and elongation. The flame retarded compatibilized blends exhibit desirable dielectric properties, are flame resistant and exhibit low smoke emission.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: August 22, 2006
    Assignee: Teknor Apex Company
    Inventors: Raman Patel, Biing-Lin Lee, John C. Andries, Maryellen Cox
  • Patent number: 7094832
    Abstract: The present invention suggests thermoplastic polymer particles for molding, which can solve all at once the problem of fine powder caused by suspension polymerization process, the problem of reducing energy consumption when drying caused by emulsion polymerization process and the problem of the compounding process for processors, and a process for preparing the same. 100 parts by weight of polymer particles having an average particle size of 50 to 500 ?m prepared by suspension polymerization are coated with 22 to 100 parts by weight of an emulsion polymer prepared by emulsion polymerization. A polymer suspension comprising the polymer having an average particle size of 50 to 500 ?m prepared by suspension polymerization and a polymer latex prepared by emulsion polymerization are mixed in a proportion of 22 to 100 parts by weight of the emulsion polymer based on 100 parts by weight of the suspension polymer.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: August 22, 2006
    Assignee: Kaneka Corporation
    Inventors: Takashi Ueda, Yoshinori Takeda
  • Patent number: 7041741
    Abstract: Toughened thermoplastic compositions comprising a thermoplastic polymer toughened by the inclusion of a thermoplastic elastomer derived from a particulate rubber dynamically vulcanized in the presence of a matrix polymer. The toughened thermoplastic composition exhibits properties including toughness, improved impact resistance, and improved hardness. The compositions are utilized wherever toughened, high performance polymers are desired. A method for forming the toughened polymer compositions is also described. Processing methods, such as rotational molding, utilizing the toughened polymer compositions are described.
    Type: Grant
    Filed: January 6, 2005
    Date of Patent: May 9, 2006
    Assignee: Teknor Apex Company
    Inventors: Raman Patel, Harry Howard, Marc Caruthers, Tonya McBride, John J. Wood, III, John C. Andries
  • Patent number: 7041738
    Abstract: The present invention provides an additive for improving the cold flow properties of vegetable or animal fuel oil. The additive comprises A) a copolymer of ethylene and 8–21 mol % of at least one acrylic or vinyl ester having a C1–C18-alkyl radical and B) a comb polymer of at least one C8–C16-alkyl ester of an ethylenically unsaturated dicarboxylic acid and at least one C10–C20-olefin, wherein the sum Q Q = ? i ? w 1 ? i · n 1 ? i + ? j ? w 2 ? j · n 2 ? j ?of the molar averages of the carbon chain distributions in the alkyl side chains of the olefins (monomer 1) and the fatty alcohols (monomer 2) is from 23 to 27. In Q, w1 and w2 are the molar proportions of the individual chain lengths in the comb polymer from the different monomers 1 and 2, and n1 and n2 are the side chain carbon atom lengths, excluding comb polymer bonded carbon atoms of monomer 1, and the running variables i and j are the individual side chain lengths in the particular monomer groups.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: May 9, 2006
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Bettina Siggelkow, Martina Hess, Ulrike Neuhaus
  • Patent number: 7041739
    Abstract: A thermoplastic elastomer composition characterized in that the composition comprises a resin component and at least two kinds of rubber components, wherein at least one kind of the rubber components makes a continuous phase and/or a network-like phase, and the remaining at least one kind of the rubber components makes an isolated phase; and a process for producing the same.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: May 9, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Toyoda, Nobuo Oi, Eiji Nakaishi
  • Patent number: 7030193
    Abstract: The present invention relates to a polymer composite containing at least one carboxylated nitrile rubber polymer, that is optionally hydrogenated, at least one basic compound, at least one polyhalogenated hydrocarbon, optionally at least one filler and optionally at least one cross-linking agent, a process for preparing said polymer composite wherein at least one carboxylated nitrile rubber polymer, that is optionally hydrogenated, at least one basic compound, at least one polyhalogenated hydrocarbon, optionally at least one filler and optionally at least one cross-linking agent are mixed and a shaped article containing diester bridges formed by reaction of at least one carboxylated nitrile rubber polymer, that is optionally hydrogenated, at least one basic compound and at least one polyhalogenated hydrocarbon.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: April 18, 2006
    Assignee: Bayer Inc.
    Inventors: Frederic Guerin, Carl Walter Von Hellens, Sharon X. Guo
  • Patent number: 7029750
    Abstract: The present invention provides a thermoplastic resin composition comprising a thermoplastic resin (A), an acrylic polymer (B), a polytetrafluoroethylene-containing powder mixture (C) and a filler (D), the amount of the acrylic polymer (B) being from 0.1 to 400 parts by weight, the amount of the filler (D) being from 1 to 2000 parts by weight, based on 100 parts by weight of the thermoplastic resin (A), and the amount of a polytetrafluoroethylene component in the polytetrafluoroethylene-containing powder mixture (C) is from 0.01 to 400 parts by weight based on 100 parts by weight of the thermoplastic resin (A).
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: April 18, 2006
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Seiji Takei, Masahiro Osuka, Hideo Aoki, Mari Sekita, Masaaki Mouri
  • Patent number: 7022773
    Abstract: Fluoropolymers comprising a fluoroelastomer matrix incorporating therein particles of a semicrystalline fluoropolymer formed of tetrafluoroethylene (TFE) homopolymers or copolymers, wherein the average particle sizes of the semicrystalline fluoropolymer latex range from 10 to 100 nm.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: April 4, 2006
    Assignee: Solvay Solexis S.p.A.
    Inventors: Margherita Albano, Marco Apostolo, Vincenzo Arcella, Enrico Marchese
  • Patent number: 7011883
    Abstract: The present invention relates to a display strip to hold commodity-containing bags. It can facilitate to make a process of attaching the bags thereto automate. It enables commodity-containing bags to be removed therefrom without having their appearance degraded. The display strip according to the present invention is utilized to hold and align a plurality of commodity-containing bags vertically for the display. It comprises at least a substrate layer and a sealant layer with the sealant layer containing an ethylene-vinyl acetate copolymer and an adhesive promoting tackifier.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: March 14, 2006
    Assignee: Ishida Co., Ltd.
    Inventors: Yoshio Iwasaki, Yukio Nakagawa, Tadao Oota, Naoji Ichise
  • Patent number: 7009003
    Abstract: A plastic composition including polymeric nanoparticles having a diameter of 1 to 100 nanometers, and a polymeric component. Also provided is a method for providing such a plastic composition.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: March 7, 2006
    Assignee: Rohm and Haas Company
    Inventor: Carlos Alfonso Cruz
  • Patent number: 7001941
    Abstract: An elastomeric composition includes a base latex and a thermoplastic ethylene-vinylacetate (EVA) copolymer latex. The base latex includes one or at least one of a styrene-butadiene rubber (SBR) latex and a carboxylated styrene-butadiene rubber (C-SBR) latex. A process for producing an elastomeric article having an interpenetrating network structure included the following steps. Firstly, a mold is contacted with such elastomeric composition. Then, the elastomeric composition on the mold is allowed to perform a vulcanization reaction, thereby forming the elastomeric article having the interpenetrating network structure.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: February 21, 2006
    Assignee: Posaidon Enterprise Co., Ltd.
    Inventor: Rong-Shing Li
  • Patent number: 6998442
    Abstract: An organic anti-reflective polymer which prevents back reflection of lower film layers and eliminates standing wave that is occurred by a thickness change of photoresist and light, in a process for fabricating ultrafine patterns that use photoresist for lithography by using 193 nm ArF and its preparation method. More particularly, the organic anti-reflective polymer of the present invention is useful for fabricating ultrafine patterns of 64M, 256M, 1G, and 4G DRAM semiconductor devices. A composition containing such organic anti-reflective polymer, an anti-reflective coating layer made therefrom and a preparation method thereof.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: February 14, 2006
    Assignee: Hynix Semiconductor Inc.
    Inventors: Min-Ho Jung, Jae-Chang Jung, Geun-Su Lee, Ki-Soo Shin
  • Patent number: 6964998
    Abstract: The present invention provides: a water-absorbing agent which has excellent urine resistance; a water-absorbing agent which has not only excellent urine resistance, but also excellent absorption properties that are stable to any composition of urine and show little change with time; and production processes and uses for these water-absorbing agents. The present invention water-absorbing agent exhibits a specific or larger value of absorption capacity under a load in a process in which the absorption capacity under a load is measured in a new manner using a specific liquid to be absorbed, and the present invention provides an absorbent matter and an absorbent article which display a specific or larger value of new absorption index as is, for example, led from the absorption capacity under a load or from the resin concentration using the above water-absorbing agent. The present invention further provides a production process for a water-absorbing agent having the above specific parameter.
    Type: Grant
    Filed: March 2, 2003
    Date of Patent: November 15, 2005
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Katsuyuki Wada, Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita, Takuni Hatsuda
  • Patent number: 6964798
    Abstract: A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a first component of a propylene based polymer, a second component of a non-propylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: November 15, 2005
    Assignee: Baxter International Inc.
    Inventors: Gregg Nebgen, Keith Anderson, Mike Scharf
  • Patent number: 6936661
    Abstract: A medical pressure sensitive adhesive based on polyacrylates and neutral polyamine salts is characterized in that it has a pressure-sensitive adhesive matrix of two polymer components A and B, with polymer component A being a polyacrylate pressure-sensitive adhesive containing carboxyl groups, the carboxyl groups of which are neutralized; the polymer component B being a neutral polyamine salt obtained by reacting a polyacrylate copolymer containing amino groups with an acid, with the polymer component B being dispersed in the polymer component A, and the two components forming a two-phase system.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: August 30, 2005
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Andreas Koch, Stefan Bracht, Christoph Schmitz
  • Patent number: 6927249
    Abstract: The present invention relates to a heat absorb-release plastic composition and a molded product thereof, more specifically to a heat absorb-release plastic resin composition, which can sense a temperature at a specific temperature, has flexural strength, and can absorb or release heat as a latent heat, and a molded product thereof. The heat absorb-release plastic resin composition absorbs heat at a desired temperature as a latent heat and thus temperature increase is small, and therefore, it can be used for automobile interior decoration material, housing for an electric home appliances, etc. even if it has comparatively low Heat deflection temperature.
    Type: Grant
    Filed: February 11, 2004
    Date of Patent: August 9, 2005
    Assignee: LG Chem, Ltd.
    Inventors: Heon-Sang Lee, Ju-Hyung Lee, Kyung-Mo Park, Duck-Kun Hwang, Chong-Koo Kum, Eung-Soo Kim
  • Patent number: 6927257
    Abstract: A resin composition comprising (A) an elastomeric copolymer which comprises styrene monomeric units and diene monomeric units, and (B) a copolymer which comprises styrene monomeric units and (meth)acrylate monomeric units, which has a saturated water absorption of 0.8% or less at a temperature of 60° C. and a relative humidity of 90%, a flexural modulus of at least 1,800 MPa, a notched Izod impact strength of at least 2 kJ/m2, a total light transmittance of at least 85% and a haze value of 5% or less when providing a sheet having a thickness of 2 mm, and a Vicat softening point of at least 90° C. This resin composition can suitably be used as a base material of a sheet for a screen which has good transparency, suffers from less deformation such as warp or deflection, and is hardly cracked or chipped.
    Type: Grant
    Filed: January 21, 2002
    Date of Patent: August 9, 2005
    Assignees: Sumitomo Chemical Company, Limited, Dai Nippon Printing Co., Ltd.
    Inventors: Katsumi Akada, Norihiko Ootaka
  • Patent number: 6927248
    Abstract: The invention concerns a composition comprising: (1) an asphaltene-free bituminous binder mixture, containing at least a plasticizing agent based on an aliphatic hydrocarbon compound, at least a structuring agent based on a cycloaliphatic hydrocarbon polymer and optionally a first polymer; (2) a coloured pigment; and (3) a second polymer selected among polyolefins, natural and synthetic rubbers and vinyl ethylene acetate copolymer.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: August 9, 2005
    Assignee: Total Raffinage Distribution S.A.
    Inventors: Guy Lemoine, Jean-Philippe Gillet
  • Patent number: 6924338
    Abstract: A polymer blend for use in a biomedical application comprising: (A) a polymer A, bearing zwitterionic pendant groups; and (B) a hydrophobic addition polymer B, selected from the group consisting silyl(alk)acrylates, alkyl(alk)acrylamides, dialkyl(alk)acrylamides, and alkyl(alk)acrylate polymers, wherein the structure of the blend exhibits phase separation forming a micro-phase segregated structure at a surface. Articles, methods of production and liquid blend compositions are also disclosed. Preferably A is a copolymer of 15 to 30 mole % 2-methacryloyloxyethy1-2-trimethylammonium ethyl phosphate inner salt and 85 to 70 mole % of a C6-18 alkyl methacrylate, and B is a homopolymer of a C4-18 alkyl(meth)acrylate, blended in weight proportions of 1:1 to 1:50.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: August 2, 2005
    Assignee: Biocompatibles UK Limited
    Inventors: Martyn Christopher Davies, Stuart Clarke, Andrew Lennard Lewis
  • Patent number: 6921729
    Abstract: Adhesive tapes (e.g., duct tapes) having a backing comprising a compatibilized release composition are reported. The compatibilized release composition comprises a thermoplastic olefin-based polymer comprising an acid or a base functionality and a polymeric release material comprising an acid or a base functionality. The functionality of the thermoplastic olefin-based polymer and the functionality of the polymeric release material provide an acid-base interaction that compatibilizes the release composition.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: July 26, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Jeffrey J. Schwab, Patrick S. Seleski, David J. Kinning, Audrey A. Sherman, Gregory D. Kostuch, Wendi J. Winkler
  • Patent number: 6919406
    Abstract: Disclosed are techniques and related material blends for improving adhesion between a polyolefin film and a pressure sensitive adhesive, and also significantly decreasing the coefficient of thermal expansion of a polyolefin film by modifying the chemical properties of the film. Specifically, particular amounts of a modifying polymer and/or copolymer such as ethylene vinyl acetate are incorporated into the polyolefin film. The polyolefin film may for instance be either a polyethylene or polypropylene film.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: July 19, 2005
    Assignee: The XLO Group of Companies, Inc.
    Inventors: John A. Petroski, Rachna Mohan
  • Patent number: 6919405
    Abstract: The invention relates to compatibilized release compositions useful in release layers of release articles (e.g., release liners) and adhesive articles (e.g., pressure sensitive adhesive tapes). The compatibilized release compositions comprise a mixture of a thermoplastic olefin-based polymer comprising an acid or a base functionality and a polymeric release material comprising an acid or a base functionality. The functionality of the thermoplastic olefin-based polymer and the functionality of the polymeric release material are selected to provide an acid-base interaction.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: July 19, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: David J. Kinning, Audrey A. Sherman, Jeffrey J. Schwab, Patrick S. Seleski, Gregory D. Kostuch, Wendi J. Winkler
  • Patent number: 6919408
    Abstract: Disclosed is a thermoplastic transparent resin composition and a method for manufacturing the same. The resin composition includes 3-15 parts by weight of small aperture polybutadiene rubber latex; 5-25 parts by weight of large aperture polybutadiene rubber latex; 40-70 parts by weight of a methacrylic acid alkylester compound or an acrylic acid alkylester compound; 15-30 parts by weight of an aromatic vinyl compound; and 1-20 parts by weight of a vinylcyan compound. The method includes the steps of a) producing a small aperture polybutadiene rubber latex having an average particle diameter of 600-1500 A, a gel content of 70-95%, and a swelling index of 12-30 by reacting butadiene at 55-70° C. using a polymerization initiator, b) producing a large aperture polybutadiene rubber latex having a particle diameter of 2600-5000 A, a gel content of 70-95%, and a swelling index of 12-30 by enlarging the small aperture polybutadiene rubber latex particles; c) performing graft copolymerization at 65-80° C.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: July 19, 2005
    Assignee: LG Chemical Ltd.
    Inventors: Keon-Hoon Yoo, Yang-Hyun Shin, Chan-Hong Lee
  • Patent number: 6914094
    Abstract: An article formed from a polyolefin resin blend reaction product that includes at least one propylene-based polyolefin-metal salt and at least one property-modifying agent. Optionally, the article includes a polyethylene-based polyolefin-metal salt, thermoplastic elastomer, such as a hydrogenated styrene-butadiene random copolymer or any other styrenic block copolymer, semi-crystalline polyolefin component, or the like, or combinations thereof. Such articles have enhanced scratch and mar resistance while still retaining acceptable impact toughness. Methods of preparing articles and the blends used to form such articles are also part of the invention.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: July 5, 2005
    Assignee: Solvay Engineered Polymers, Inc.
    Inventors: Rui-dong Ding, Satchit Srinivasan
  • Patent number: 6906140
    Abstract: The present invention relates to a sealant composition comprising i) at least a copolymer of propylene and ?-olefins, and ii) at least a copolymer of ethylene and alkyl acrylate, wherein the alkyl acrylate is present in an amount ranging from about 1 to less than 9 weight percent, relative to the weight of the sealant composition. It also relates to a multilayer film or a packaging comprising a sealant layer comprising such a composition.
    Type: Grant
    Filed: May 2, 2003
    Date of Patent: June 14, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Yves M. Trouilhet, Bernard Rioux, Jacques Andre, Sebastian Landeck
  • Patent number: 6906142
    Abstract: The invention relates to an impact-modified moulding composition which has particularly high impact resistance at low temperatures (?20° C., ?40° C.). This low-temperature impact resistance is achieved by using a silicone elastomer.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: June 14, 2005
    Assignee: Roehm GmbH & Co. KG
    Inventors: Klaus Schultes, Michael Wicker, Werner Hoess, Klaus Albrecht, Hans-Juergen Kress
  • Patent number: 6903161
    Abstract: This invention relates to a low-density polyethylene composition useful for coating polar substrates. This invention particularly relates to a low-density polyethylene composition useful for coating metal foils, wherein the composition comprises an ethylene/(meth)acrylic acid copolymer having a low acid content.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: June 7, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Barry Alan Morris
  • Patent number: 6903160
    Abstract: The invention provides a pseudo cross-link resin composition comprises at least tow polymer molecules; wherein the resin is obtained by mixing a vinylic polymer molecule A that has an atomic group capable of forming an intermolecular hydrogen bond in a molecular side chain and/or at a molecular tail end of the polymer molecule, and a vinylic polymer molecule B that has an atomic group capable of forming an intermolecular hydrogen bond in a molecular side chain and/or in a molecular skeleton of the polymer molecule; wherein the vinylic polymer molecule A is a polymer and/or copolymer that has a carboxyl group or a hydroxyl group in a molecular side chain and/or at a molecular tail end, and the vinylic polymer molecule B is a polymer and/or copolymer having at least one or more nitrogen atom in a molecular side chain and/or a molecular skeleton; wherein the vinylic polymer molecule A and the vinylic polymer molecule B are mixed together, the intermolecular hydrogen bond is formed therebetween, and adding a sili
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: June 7, 2005
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Yukihiko Yamashita, Kenji Kanemaru, Koichi Saito
  • Patent number: 6894115
    Abstract: Adhesive blend compositions having significantly improved adhesion to metals at elevated temperatures are provided. The compositions are blends of one or more polyolefin base resins, an acid or acid derivative modified polyolefin and silane modified polyolefin. A low level of adhesion promotor is optionally included in the blend.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: May 17, 2005
    Assignee: Equistar Chemicals, LP
    Inventor: Maged G. Botros
  • 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: 6894114
    Abstract: A block copolymer is obtained by anionic polymerization, includes two or more polymer blocks A miscible with each other, and at least one (meth)acrylic ester polymer block B immiscible with the polymer blocks A, has a ratio [Mn(Amax)/Mn(Amin)] of 2 or more, wherein the ratio [Mn(Amax)/Mn(Amin)] is the ratio of the largest number average molecular weight [Mn(Amax)] to the smallest number average molecular weight [Mn(Amin)] among the polymer blocks A, has at least one block bonding including polymer block Amax-polymer block B-polymer block Amin, and has a total content of the polymer blocks A ranging from 20 wt % to 45 wt % based on the total mass of the block copolymer. This invention provides block copolymers having two or more polymer blocks A miscible with each other and at least one (meth)acrylic ester polymer block B immiscible with the polymer blocks A and exhibiting satisfactory flexibility, melt fluidity, moldability, coatability, mechanical properties, and other properties.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: May 17, 2005
    Assignee: Kuraray Co., Ltd.
    Inventors: Masaji Kato, Kenichi Hamada, Kazushige Ishiura, Yoshihiro Morishita
  • Patent number: 6890990
    Abstract: A thermoplastic elastomer with increased oil resistance and decreased compression set compared to conventionally cured thermoplastic elastomers may be made from a dynamically vulcanized blend of propylene resin and ethylene/alpha-olefin/non-conjugated diene elastomers via a curing system containing a free radical initiator, a first co-agent including diene-containing polymers with a 1,2-vinyl content greater than 50% by weight, and a second co-agent including multifunctional acrylates containing at least two acrylate groups, multifunctional maleimides containing at least two imide groups, or mixtures of both, where the elastomer gel content in the modified blend is at least 97%.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: May 10, 2005
    Assignee: Solvay Engineered Polymers, Inc.
    Inventors: Kevin Cai, Howard Colvin, Charles G. Reid, Hoan Tran
  • Patent number: 6890993
    Abstract: The invention relates to an impact-modified molding composition which has particularly high impact resistance at low temperatures (?20° C., ?40° C.). This low-temperature impact resistance is achieved by using a silicone elastomer.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: May 10, 2005
    Assignee: Roehm GmbH & Co. KG
    Inventors: Klaus Schultes, Michael Wicker, Werner Hoess, Klaus Albrecht, Hans-Juergen Kress