Patents Examined by Satya B. Sastri
  • Patent number: 7642328
    Abstract: The present invention discloses a novel pH sensitive copolymer synthesized from lactide macromers and basic monomers. This composition comprises an acrylate or methacrylate ester of low molecular weight oligomeric lactide copolymerized with basic monomer. These copolymers show pH sensitive dissolution behavior which can be exploited for pharmaceutical applications.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: January 5, 2010
    Assignee: Council of Scientific & Industrial Research
    Inventors: Suvarnapathaki Rupali Kedar, Kulkarni Mohan Gopalkrishna
  • Patent number: 7642329
    Abstract: A macromer based novel copolymer comprising an acrylate or methacrylate ester of low molecular weight oligomeric lactide copolymerized with basic monomer is provided. These copolymers show unusual dissolution behavior in that they are soluble over a wide range of pH from 1.8 to 7.4. This unexpected solubility behavior can be exploited to develop pharmaceutical dosage forms.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: January 5, 2010
    Assignee: Council of Scientific & Industrial Research
    Inventors: Suvarnapathaki Rupali Kedar, Kulkarni Mohan Gopalkrishna
  • Patent number: 7622539
    Abstract: An organopolysiloxane represented by the following general formula (1), where R1 represents an aliphatic, unsaturated univalent hydrocarbon group, R2 represents identical or different univalent hydrocarbon groups except for aliphatic unsaturated bonds, R3 represents an oxygen atom or a bivalent hydrocarbon group, R4 represents a univalent hydrocarbon group that contains an acryloxy or methacryloxy group, R5 may represent an alkyl group, alkoxyalkyl group, alkenyl group, or an acyl group; “n” is an integer from 5 to 1000, and “a” is 1 or 2, can be used for the preparation of a silicone composition as a main component of a composition or as a surface-treating agent for thermally conductive fillers, can be combined with large amounts of thermally conductive fillers, is easy to handle, and imparts to the composition appropriate thixotropy.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: November 24, 2009
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Hiroshi Fukui, Satoshi Onodera, Tadashi Okawa
  • Patent number: 7619032
    Abstract: An aqueous composition comprising dispersed particles comprising: at least one unsaturated flow promoter and at least one copolymer formed by the polymerization of at least one ethylenically unsaturated nonionic monomer and at least one monomer bearing a pendant functionality which can react with the unsaturated flow promoter upon drying and exposure to oxygen.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: November 17, 2009
    Assignee: Rohm and Haas Company
    Inventors: Steven C. Brown, Catherine A. Finegan, William D. Rohrbach, Wei Zhang
  • Patent number: 7615581
    Abstract: The present invention relates to a black paste composition and an upper plate of plasma display panel using the same. The upper plate of plasma display panel comprises an upper substrate, a transparent electrode disposed on a predetermined position of the upper substrate, a bus electrode disposed on a predetermined position of the transparent electrode and a black matrix disposed between the transparent electrode and the bus electrode, and in each discharge cell. The black paste composition comprises about 5 to 25 parts by weight of a heat resistant black pigment; about 5 to 20 parts by weight of a glass powder; about 25 to 30 parts by weight of a binder; about 5 to 15 parts by weight of a photopolymerization monomer; about 1 to 10 parts by weight of a photopolymerization initiator; and about 20 to 35 parts by weight of a solvent.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: November 10, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jong Hyung Choi, Keun Soo Lee
  • Patent number: 7612127
    Abstract: It is to provide a curable resin composition which is curable at room temperature, has fluidity, is excellent in workability and provides a cured product having high thermal conductivity and being excellent in flexibility. A curable resin composition comprising a (meth)acrylate monomer, an organic peroxide, a decomposition accelerator for the organic peroxide, and an inorganic filler, wherein the inorganic filler has a particle size distribution such that it has peak diameters at least in the respective regions of from 3 to 10 ?m and from 30 to 70 ?m, and the mode diameter is from 30 to 70 ?m and the median diameter is from 5 to 40 ?m.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: November 3, 2009
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Kazuhiro Oshima, Yoichi Ogata
  • Patent number: 7601776
    Abstract: Disclosed herein is an aqueous coating composition for plastic automotive interiors, including 1) a component selected from the group consisting of aqueous polyurethane resins, aqueous acrylic resins, and mixtures thereof, 2) an aqueous polyurethane resin having a hydroxyl group, 3) a micronized silica dispersant having an average particle size of 10˜30 ?m, 4) a polyethylene paraffin wax dispersant having an average particle size of 30˜100 nm, 5) a polysiloxane surface controlling agent, 6) a polyoxyethylene sorbitan monooleate stabilizer, 7) capsulated aromatic particles, and 8) a trifunctional hexamethlylenediisocyanate curing agent having a hydrophilic group.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: October 13, 2009
    Assignees: Hyundai Mobis Co., Ltd., Daihan Bee Chemical Co., Ltd.
    Inventors: Ok Kim, Yong Chun, Young-Ho Cho, Kang-Moon Jin, Jae-Beom Ahn, Cheol-Hee Cho
  • Patent number: 7544765
    Abstract: A process for producing a class of polyarylenes having p-bis-(chlorodifluoromethyl) benzene or p-bis(bromodifluoromethyl) benzene as a comonomer. The p-bis-(chlorodifluoromethyl) benzene or the p-bis(bromodifluoromethyl)benzene act as precursors in a polycondensation reaction with a difunctional monomer.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: June 9, 2009
    Assignees: University of Florida Research Foundation, Inc., Arkema Inc.
    Inventors: William R. Dolbier, Jr., Lotfi Hedhli, Maher Elsheikh, Valerie Rodriguez-Garcia, Kai Wu
  • Patent number: 7307119
    Abstract: The present invention is directed to a thin film material for encapsulation of organic or polymeric light-emitting electric device having light-emitting layer between cathode and anode, for elongation of lifetime of said device and for providing said device with flexibility, more specifically, to a thin film material for encapsulation of organic or polymeric light-emitting electric device comprising polymer having, as repeating unit of backbone, homo-, 2-component co-, ter-, or tetra-polymer of one to four pentaerythritol acrylate monomer, or physically mixed polymer blend of said polymer and polymers other than poly(pentaerythrithol acrylate). Moreover, the present invention is directed to a method for encapsulation of organic or polymeric light-emitting device using said thin film material consisting of wet and dry process. The light-emitting device encapsulated according to the present invention can be bended and can be used in the manufacturing of large surface area display.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: December 11, 2007
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Ji Young Oh, Yong Suk Yang, Jeong Ik Lee, Lee Mi Do, Tae Hyoung Zyung
  • Patent number: 7295376
    Abstract: A pseudo cross-link type resin composition made of one of resins or a mixture of the resins; wherein the resin is obtained by mixing a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end of the polymer molecule, and a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at lest in a molecular side chain or in a molecular skeleton of the polymer molecule; wherein the polymer molecule having an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end is a vinylic polymer or a copolymer thereof that has a carboxyl group or a hydroxyl group at least in a molecular side chain or at a molecular tail end, and the polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or in a molecular skeleton is a vinylic polymer or a copolymer thereof
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: November 13, 2007
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Tetsuro Yamanaka, Yukihiko Yamashita, Kenji Kanemaru
  • Patent number: 7276551
    Abstract: The present invention relates to a novel cement composition. This cement may be combined with a number of different products, including residual materials such as polystyrene, glass, cork, fiberglass, cellulose fibers, wood fibers and wood shavings, as well as with minerals or compositions such as zonolite or vermiculite. The resultant concrete exhibits physical and chemical characteristics that make it suitable for use in construction projects, including resistance to freeze-thaw cycles.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: October 2, 2007
    Inventor: Jean-Roch Pageau
  • Patent number: 7250468
    Abstract: Polyvinyl-alcohol-stabilized redispersible powders which have plasticizing properties are obtained by drying polyvinyl-alcohol-stabilized aqueous dispersions of polymers of one or more monomers from the group of vinyl esters of optionally branched C1-18 alkylcarboxylic acids, (meth)acrylic esters of optionally branched C1-15 alcohols, dienes, olefins, vinylaromatics and vinylhalides, in the presence of a copolymer formed from a) one or more monomers from the group of ethylenically unsaturated monocarboxylic acids, ethylenically unsaturated dicarboxylic acids and their anhydrides, each having 4 to 8 carbon atoms, and salts thereof, b) one or more ethylenically unsaturated compounds containing sulfonic, sulfuric, and/or phosphonic acid groups, and salts thereof, and c) one or more monomers from the group consisting of vinyl esters of optionally branched C1-18 alkylcarboxylic acids and (meth)acrylic esters of optionally branched C1-15 alcohols.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: July 31, 2007
    Assignee: Wacker Polymer Systems GmbH & Co. KG
    Inventors: Reinhard Harzschel, Thomas Bastelberger, Ulf Dietrich, Armin Hoffmann
  • Patent number: 7244784
    Abstract: New aqueous PNP dispersions are disclosed. A method of preparing an aqueous PNP dispersion from solvent-based PNPs having a diameter in the range of from 1 to 50 nanometers is disclosed. An associative thickener composition based on PNPs having an average of at least two phobes extending from the surface of said PNPs is also disclosed. The aqueous PNP dispersions are useful in aqueous-based industrial and consumer products, such as latex paint.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: July 17, 2007
    Assignee: Rohm and Haas Company
    Inventors: David Richard Amick, Robert Howard Gore, Dennis Paul Lorah, James Watson Neely
  • Patent number: 7244774
    Abstract: An aqueous dispersion for inkjet recording containing colorant-containing water-insoluble vinyl polymer particles dispersed in water, wherein the water-insoluble vinyl polymer contains a constitutive unit derived from a styrenic macromer (a) which has a polymerizable functional group at one end, wherein the styrenic macromer (a) has a number-average molecular weight of from 1000 to 5000 and a molecular weight distribution (weight-average molecular weight/number-average molecular weight) of from 1.0 to 2.5; and a water-based ink for inkjet recording containing the aqueous dispersion. The aqueous dispersion is capable of realizing a water-based ink for inkjet recording, which has excellent storage stability, a high optical density, and gives a high gloss.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: July 17, 2007
    Assignee: Kao Corporation
    Inventors: Nobushige Tanaka, Koji Azuma, Takehiro Tsutsumi
  • Patent number: 7241838
    Abstract: Disclosed are blends of aliphatic-aromatic copolyesters with poly(ethylene-co-vinyl acetate) copolymers and shaped articles prepared therefrom. These blends have higher melt strength than the aliphatic-aromatic copolyester alone and exhibit increased melt strength and better processability. In addition, the blends and shaped articles show bio-disintegration and/or biodegradability in a composting environment.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: July 10, 2007
    Assignee: Eastman Chemical Company
    Inventors: Marcus David Shelby, Andrew Joseph Matosky, Candace Michele Tanner, Michael Eugene Donelson
  • Patent number: 7238749
    Abstract: A two-component mortar composition is described with a curable resin component containing at least one free radical-polymerizable resin, fillers, reactive diluents, solvents, accelerators and/or further conventional mortar components and, separated therefrom to inhibit reaction, a curing agent component for chemically fastening anchoring means in boreholes, characterized in that the resin component, in order to improve the adhesion to different mineral substrates of the borehole, contains a reactive diluent mixture of at least one hydroxyalkyl (meth)acrylate and at least one acetoacetoxyalkyl (meth)acrylate. Furthermore, the use of the two-component mortar composition for chemically fastening anchoring means in boreholes of different mineral substrates is also described.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: July 3, 2007
    Assignee: Hilti Aktiengesellschaft
    Inventors: Thomas Buergel, Rainer Hettich, Armin Pfeil
  • Patent number: 7226959
    Abstract: A homogenous, aqueous, energy curable, stereo cross linkable ionomer containing coating composition and a method of preparing same.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: June 5, 2007
    Assignee: Sun Chemical Corporation
    Inventors: Volker Linzer, Richard M. Jones
  • Patent number: 7226970
    Abstract: A resin composition comprising a 2-(1-arylalkylidene) acetic ester and at least one resin selected from a methyl methacrylate resin, a styrene resin and a methyl methacrylate-styrene copolymer resin is provided, wherein the acetic ester is contained in the composition in an amount of from about 0.0005 part by weight to about 0.1 part by weight with respect to 100 parts by weight of the resin. The resin composition is improved in durability without deteriorating the excellent properties of the resin, such as being colorless and transparent.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: June 5, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomohiro Maekawa, Kenji Manabe
  • Patent number: 7220797
    Abstract: A copolymer latex for chipping-resistant aqueous paint capable of remarkably improving balance of chipping-resistance, strength of adherence with metal, water-resistance and high resistance for cycles of cool and heat is provided. This is achieved by a method for producing a copolymer latex using for chipping-resistant aqueous paint, the method comprising emulsion-polymerizing 20 to 80 parts by weight of a conjugated diene as a monomer, 0.5 to 15 parts by weight of an ethylenically unsaturated carboxylic acid as a monomer, 5 to 40 parts by weight of an aromatic vinyl compound as a monomer, 5 to 40 parts by weight of an unsaturated alkyl carboxylate as a monomer and optionally not more than 69.
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: May 22, 2007
    Assignee: Nippon A&L Incorporated
    Inventors: Toshiyasu Nishioka, Akira Kamimura, Makoto Itagaki
  • Patent number: 7220337
    Abstract: A composition comprising an aqueous polymer dispersion, characterised in that a) the composition contains 0.001 to 0.5 mol of a photo-initiator, which causes a cross-linking reaction on irradiation with energy-rich light and b) the polymer dispersed in the dispersion has 0.0001 to 1 mol of keto or aldehyde groups, whereby the mol amounts relate to 100 g of the dispersed polymer.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: May 22, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Fricke, Martin Jung, Bernd Meyer-Roscher