Polymer Derived From Methyl Acrylate Or Methyl Methacrylate Patents (Class 526/329.7)
-
Patent number: 7501222Abstract: A polymer including a monomer represented by the following Formula and a photoresist composition including the same are disclosed. The polymer and photoresist composition can improve the resolution and the process margin due to the low activation energy of the deprotection reaction of the alcohol ester group including saturated cyclic hydrocarbyl group, and also can produce fine photoresist patterns because they have a stable PEB(Post Exposure Baking) temperature sensitivity, and further, can improve the focus depth margin and the line edge roughness of the resist layer. In the above Formula, R* is a hydrogen or methyl group, R1 is saturated hydrocarbyl group of 1 to 5 carbon atoms, R is mono-cyclic or multi-cyclic homo or hetero saturated hydrocarbyl group of 3 to 50 carbon atoms, and n is an integer of at least 2.Type: GrantFiled: June 21, 2006Date of Patent: March 10, 2009Assignee: Dongjin Semichem Co., Ltd.Inventors: Jung-Youl Lee, Jae-Woo Lee, Jae-Hyun Kim
-
Patent number: 7491778Abstract: Articles coated with a water-resistant coating that absorbs water to provide the water-resistant effect, and desorbs water when the coating is dried, and a method of providing water resistance and corrosion resistance to articles prepared with such coatings. The coating is formed by applying a composition comprising an aqueous solution of a superabsorbent water-soluble polymer precursor, optionally a viscosity modifying agent, and optionally a lubricant onto the surfaces of the article, and curing to form a coating comprising the superabsorbent polymer.Type: GrantFiled: September 30, 1999Date of Patent: February 17, 2009Assignee: Neptco JV LLCInventors: Martin C. Flautt, James R. Priest, David V. Stotler, Thomas P. Hager
-
Publication number: 20090040618Abstract: An object of the present invention is to provide a light diffuser plate (1) which can illuminate the front side more brightly when incorporated in a surface light source (3) constituting a transmissive image display (2). The light diffuser plate of the present invention comprises a transparent resin and a light diffuser dispersed in the transparent resin, wherein the transparent resin is a transparent resin which has a light transmittance [T600] at a wavelength of 600 nm of 85% or more measured with respect to a thickness of a 2 mm thick plate-shaped specimen, and a ratio [T365/T600] of a light transmittance [T365] at a wavelength of 365 nm to the light transmittance [T600] is 0.90 to 0.99. The transparent resin is polystyrene or the like, an average particle diameter of the light diffuser is from 0.5 to 5 ?m, an absolute value [|?n|] of a difference in a refractive index between the light diffuser and the transparent resin is 0.05 or more, an amount of the light diffuser is from 0.Type: ApplicationFiled: August 7, 2008Publication date: February 12, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Hironobu Iyama
-
Publication number: 20090029161Abstract: The present inventions are a pressure-sensitive adhesive composition comprising a poly(meth)acrylate compound that contains a repeating unit shown by the following formula (1) in its molecule and has a melting point of 50° C. or less; a pressure-sensitive adhesive layer comprising a crosslinked product of the pressure-sensitive adhesive composition; and a pressure-sensitive adhesive sheet comprising the pressure-sensitive adhesive layer and a support, the pressure-sensitive adhesive layer being provided on one side or both sides of the support material. wherein X+ and Y? represent a combination of a counter cation and a counter anion which may form an ion pair, R represents a hydrogen atom or a methyl group, and A represents a linking group.Type: ApplicationFiled: July 15, 2008Publication date: January 29, 2009Applicant: LINTEC CorporationInventors: Yasunori Karasawa, Mikihiro Kashio, Masahito Nakabayashi, Mamoru Kobayashi
-
Publication number: 20090020225Abstract: 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: ApplicationFiled: January 23, 2007Publication date: January 22, 2009Applicant: BASF SEInventors: Dirk Wulff, Axel Weiss, Jose Maria Torres Llosa, Christofer Arisandy
-
Publication number: 20090023576Abstract: A method for the surface treatment of bead polymers is to be prepared, by means of which bead polymers are treated in a particularly simple and effective manner such that upon addition to unfinished ceramic pieces, in particular, their strength and dimensional stability increase. To this end, the bead polymers are conducted to a device which is used for comminution, in particular, to a mill, in which the surface of the bead polymers is purposefully scratched or roughened in a uniformly mechanical manner.Type: ApplicationFiled: April 12, 2006Publication date: January 22, 2009Applicant: BAUER TECHNOLOGIES GMBHInventor: Ottmar Kryts
-
Publication number: 20080318188Abstract: The present invention provides polymerizable dental compositions comprising a dimer acid-derived monomer such as a dimer acid-derived di(meth)acrylate monomer.Type: ApplicationFiled: December 29, 2004Publication date: December 25, 2008Applicant: The Regents of the University of ColoradoInventors: Jeffrey W. Stansbury, Christopher N. Bowman, Marianela Trujillo
-
Publication number: 20080318072Abstract: To realize an imide resin which is favorable in optical use. The imide resin according to the present invention includes: a repeating unit represented by General Formula (1); a repeating unit represented by General Formula (2); and a repeating unit represented by General Formula (3), wherein an orientation birefringence of the imide resin ranges from ?0.1×10?3 to 0.Type: ApplicationFiled: December 1, 2004Publication date: December 25, 2008Applicant: Kaneka CorporationInventors: Hirosuke Kawabata, Tomoki Hiiro, Yasuhiro Sekiguchi, Kazuhito Wada, Kimihide Nishimura, Norito Doi
-
Publication number: 20080311415Abstract: The present invention concerns the use, in the surface treatment of waterproofed wood, of an aqueous dispersion comprising at least one latex obtained by emulsion polymerization of a mixture of monomers comprising at least one acrylic monomer B comprising at least one ureido function.Type: ApplicationFiled: August 30, 2006Publication date: December 18, 2008Applicant: LAPEYREInventors: Jean-Christophe Castaing, William Bett, Jean-Noel Bousseau
-
Patent number: 7465498Abstract: Copolymers including structural units derived from ?-methylene-?-butyrolactone, styrene, methyl methacrylate and, optionally, acrylonitrile, may be used as protective layers in multilayer articles that include UV sensitive substrate materials. The multilayer articles may also include a silicone hardcoat.Type: GrantFiled: November 30, 2005Date of Patent: December 16, 2008Assignee: SABIC Innovative Plastics IP B.V.Inventors: James Edward Pickett, Qing Ye
-
Publication number: 20080306233Abstract: A process for purifying a polymer containing residual volatile monomers by drying the polymer powder under vacuum at a pressure and at a temperature which allows the vaporization of the residual monomers and optionally de-aggregating by sieving.Type: ApplicationFiled: December 18, 2006Publication date: December 11, 2008Applicant: Novartis AGInventors: Gerhard Muhrer, Gesine Winzenburg
-
Publication number: 20080305350Abstract: A barrier laminate comprising at least one organic layer and at least one inorganic layer, in which the organic layer comprises a polymer having a structural unit of the following formula: wherein R1 and R2 represent a hydrogen atom or a methyl group; L represents an open-chain alkylene group having at least 8 carbon atoms and not containing an oxygen atom, a nitrogen atom and a sulfur atom.Type: ApplicationFiled: February 11, 2008Publication date: December 11, 2008Inventor: Yuya AGATA
-
Publication number: 20080299503Abstract: The formation of high-resolution resist patterns by liquid immersion lithography with various fluids is enabled by protecting a resist film from deterioration (such as bridging) during the immersion exposure in a fluid (such as water) and the fluid from deterioration and improving the stability of a resist film in the storage after exposure without increase in the number of treatment steps. A material for forming resist protection films which comprises an alkali-soluble polymer for forming a protective overcoat for a resist film, characterized in that the contact angle of the polymer to water is 90° or above. The polymer is preferably an acrylic polymer which comprises as the essential components constituent units derived from (meth) acrylic acid and constituent units derived from a specific acrylic ester.Type: ApplicationFiled: December 22, 2005Publication date: December 4, 2008Applicant: TOKYO OHKA KOGYO CO., LTD.Inventors: Keita Ishiduka, Kotaro Endo
-
Patent number: 7459513Abstract: A description is given of (meth)acrylic acid copolymers containing methacrylic acid units, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for preparation thereof and use thereof for water treatment, scale inhibition in petroleum production and corrosion inhibition in aqueous systems.Type: GrantFiled: November 5, 2004Date of Patent: December 2, 2008Assignee: BASF AktiengesellschaftInventors: Marcus Guzmann, Karl-Heinz Buechner, Pia Baum, Gregor Brodt
-
Patent number: 7452868Abstract: A formulation of octreotide or pharmaceutically acceptable salts thereof, which provides controlled release of a therapeutically effective amount of octreotide for a period of at least about two months. Methods of treating acromegaly, decreasing growth hormone, decreasing IGF-1, and treating conditions associated with carcinoid tumors and VIPomas by administering a controlled release formulation of octreotide are provided herein.Type: GrantFiled: March 10, 2006Date of Patent: November 18, 2008Assignee: Indevus Pharmaceuticals, Inc.Inventors: Petr Kuzma, Stephanie Decker
-
Publication number: 20080269449Abstract: The present invention provides methods for purifying polymers. In each embodiment of the invention disclosed herein, a supercritical fluid is contacted with an organic solution that includes a polymer to be purified dissolved in an organic solvent. The supercritical fluid extracts the organic solvent from the organic solution. Impurities such as residual monomers and process solvents are removed with the organic solvent and supercritical fluid, thereby purifying the polymer. The methods of the invention are particularly suitable for use in the purification of biodegradable polymers for use in pharmaceutical applications.Type: ApplicationFiled: January 22, 2008Publication date: October 30, 2008Applicant: FERRO PFANSTIEHL LABORATORIES, INC.Inventors: Pratibhash Chattopadhyay, Boris Y. Shekunov, K. Adam Gibson
-
Publication number: 20080257493Abstract: The invention is based on the discovery that certain well-defined compounds derived from pentacyclopentadecane dimethanol are useful components in adhesive formulations. In particular, the invention compounds described herein provide high Tg values and low shrinkage. Compounds of the invention are useful as adhesives for use in the semiconductor packaging industry.Type: ApplicationFiled: April 9, 2008Publication date: October 23, 2008Inventor: Stephen M. Dershem
-
Patent number: 7438978Abstract: A touch panel having excellent durability, in which depression is scarcely generated on the surface of the touch panel by pushing the surface with a pen, and a transparent conductive film and plate useful in the touch panel are provided. The transparent conductive film comprises a first polymer film having a transparent conductive thin layer thereon and a second polymer film having a hardcoat layer thereon, the first and second polymer films being bonded each other through an adhesive layer such that a surface having no transparent conductive thin layer of the first polymer film faces a surface having no hardcoat layer of the second polymer film, wherein work of the adhesive layer in elastic deformation is not less than 60%. The transparent conductive plate is provided with the adhesive layer, the touch panel is provided with the transparent conductive film or plate as an upper or lower electrode.Type: GrantFiled: August 2, 2005Date of Patent: October 21, 2008Assignee: Bridgestone CorporationInventors: Hidefumi Kotsubo, Masato Yoshikawa, Yasuhiro Morimura, Kiyomi Sasaki
-
Patent number: 7439314Abstract: Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are polymerization catalysts for the (co)polymerization of olefins such as ethylene and ?-olefins, and the copolymerization of such olefins with polar group-containing olefins. These and other nickel complexes of neutral and monoanionic bidentate ligands copolymerize ethylene and polar comonomers, especially acrylates, at relatively high ethylene pressures and surprisingly high temperatures, and give good incorporation of the polar comonomers and good polymer productivity. These copolymers are often unique structures, which are described.Type: GrantFiled: September 16, 2004Date of Patent: October 21, 2008Assignee: E. I. du Pont de Nemours and CompanyInventors: Linda Kaye Johnson, Stephan J. McClain
-
Publication number: 20080255531Abstract: The invention relates to a superabsorbent powder consisting of polymer particles which have a core swelling in the presence of water and a superficially postcured shell, in which the powder is a screening fraction of such polymer particles which have not been crushed after the superficial postcure of their shell. This superabsorbent powder is especially suitable for the finishing of textile webs made of super-fine fibers or filaments with a diameter of less than 10 ?m, in particular for the finishing of sanitary products.Type: ApplicationFiled: December 23, 2005Publication date: October 16, 2008Inventors: Horst Ring, Roland Harbig
-
Publication number: 20080224159Abstract: The invention relates to an optical element (1, 25) having a defined shape and comprising a thermoplastic material that has been further cross-linked during or following the shaping thereof. Such thermoplastic materials have an increased heat deflection temperature, distortion, but can be easily and economically shaped before the additional cross-linking as a result of the thermoplastic properties thereof.Type: ApplicationFiled: April 18, 2006Publication date: September 18, 2008Inventors: Gertrud Krauter, Andreas Plossl
-
Publication number: 20080220198Abstract: 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: ApplicationFiled: February 19, 2008Publication date: September 11, 2008Inventors: Jiro Tsukahara, Yuya Agata
-
Publication number: 20080214766Abstract: Aqueous polyacrylate dispersions comprising hydrophobic co-solvents are provided. The dispersions are prepared from copolymers P) which are comprised of I) a hydroxy-functional, hydrophobic polymer containing as structural monomers Ia) (meth)acrylic acid esters having from C1- to C18-hydrocarbon radicals in the alcohol part and/or vinyl aromatic compounds and/or vinyl esters and Ib) hydroxy-functional monomers; and II) a hydroxy-functional, hydrophilic polymer containing as structural components IIa) (meth)acrylic acid esters having from C1- to C18-hydrocarbon radicals in the alcohol part and/or vinyl aromatic compounds and/or vinyl esters, IIb) hydroxy-functional monomers and IIc) acid-functional monomers, and as solvents C) one or more solvents selected from the group consisting of hydrophobic, water-immiscible hydrocarbons having an initial boiling point of from 170° C. to 250° C. and a dry point of from 200° C. to 280° C.Type: ApplicationFiled: February 28, 2008Publication date: September 4, 2008Inventors: Thomas Munzmay, Sandra Hackbarth, Martin Melchiors, Heinz-Dietmar Gewiss
-
Patent number: 7405263Abstract: A description is given of (meth)acrylic acid copolymers comprising methacrylic acid units and units based on isopropanol, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for the preparation thereof and the use thereof for watertreatment, scale inhibition in mineral oil extraction and corrosion inhibition in aqueous systems.Type: GrantFiled: May 6, 2004Date of Patent: July 29, 2008Assignee: BASF AktiengesellschaftInventors: Pia Baum, Erich Lutz, Marcus Guzmann, Karl-Heinz Buechner, Gregor Brodt
-
Publication number: 20080154008Abstract: One aspect of the invention relates to a methacrylate resin prepared by suspension polymerization using a polyalkylacrylate-acrylic acid as a suspension stabilizer. The suspension stabilizer is used in an amount of about 0.05 to about 0.25 parts by weight per 100 parts by weight of a monomer mixture. Another aspect of the invention relates to a method for preparing a methacrylate resin, which comprises: preparing a mixture by mixing an initiator and a chain-transfer agent with a monomer mixture comprising at least about 50% by weight of alkyl methacrylate; and adding the mixture to an aqueous solution of polyalkylacrylate-acrylic acid to conduct suspension polymerization.Type: ApplicationFiled: December 20, 2007Publication date: June 26, 2008Applicant: CHEIL INDUSTRIES INC.Inventors: Jae Hoon JEONG, Doo Han HA, Jung Ho JANG
-
Patent number: 7385019Abstract: Water-based fluids that can viscosify under shear or can produce a gel or form a gel under shear are obtained by dissolving polymers in an aqueous phase. These polymers comprise three types of functional groups: non-ionic functional groups that are hydrosoluble at the temperature under consideration, ionic functional groups, and functional groups that are hydrophobic at the temperature under consideration. These three types of functional groups can be distributed or spread in a random distribution along the polymer chain. A slightly block distribution is acceptable. For applications to oil wells, functional groups are used which exhibit LCST (Lower Critical Solution Temperature) behavior (i.e., a low critical solution temperature) instead of hydrophobic functional groups. At temperatures below the LCST, the functional groups are hydrophobic.Type: GrantFiled: June 11, 2002Date of Patent: June 10, 2008Assignee: Schlumberger Technology CorporationInventors: Pierre Maroy, Arnaud Cadix, Dominique Hourdet, Ilias Iliopoulos, Françoise Lafuma
-
Patent number: 7378216Abstract: A resist material has a base polymer containing a compound including a copolymer of a first unit represented by a general formula of the following Chemical Formula 1 and a second unit represented by a general formula of the following Chemical Formula 2: wherein R1, R2, R3, R7, and R8 are the same or different and are a hydrogen atom, a fluorine atom, or a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20; R4 is a straight-chain alkylene group or a branched or cyclic alkylene group with a carbon number not less than 0 and not more than 20; R5 and R6 are the same or different and are a hydrogen atom, a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20, or a protecting group released by an acid; and R9 is a fluorine atom, or a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl groupType: GrantFiled: May 13, 2005Date of Patent: May 27, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shinji Kishimura, Masayuki Endo, Masaru Sasago, Mitsuru Ueda, Hirokazu Imori, Toshiaki Fukuhara
-
Publication number: 20080085381Abstract: An optical element with a polarizer and a support layer is disclosed herein. The polarizer comprises an intrinsic polarizer and the support layer comprises the reaction product of: (a) from 50 to 99 parts by weight of a (meth)acryloyl oligomer having a plurality of pendant, free radically polymerizable functional groups and a Tg of greater than or equal to 20° C., (b) from 1 to 50 parts by weight of a free-radically polymerizable crosslinking agent and/or diluent monomer, and (c) from 0.001 to 5 parts by weight of an initiator. A method of forming the optical element is also disclosed herein. The optical element may be used in optical devices such as projector systems.Type: ApplicationFiled: October 3, 2007Publication date: April 10, 2008Inventors: Gunnar H. Gunnarsson, David M. Snively, Xuequn Hu, Ying-Yuh Lu, Kevin M. Lewandowski, Joseph D. Rule, Pradnya V. Nagarkar
-
Patent number: 7344768Abstract: The present invention relates to an active energy ray curable composition for coating optical disc, comprising a urethane (meth)acrylate compound having at least one amide group in the molecule, an ethylenically unsaturated compound other than the urethane (meth)acrylate compound and a photopolymerization initiator; and an optical disc having a cured coating layer obtained by curing the composition.Type: GrantFiled: March 27, 2006Date of Patent: March 18, 2008Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Juichi Fujimoto, Kouji Hayama, Seiji Nushi, Hiroshi Fukushima
-
Patent number: 7341771Abstract: The present invention relates to an active energy ray curable composition for coating optical disc, comprising a urethane (meth)acrylate compound having at least one amide group in the molecule, an ethylenically unsaturated compound other than the urethane (meth)acrylate compound and a photopolymerization initiator; and an optical disc having a cured coating layer obtained by curing the composition.Type: GrantFiled: March 27, 2006Date of Patent: March 11, 2008Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Juichi Fujimoto, Kouji Hayama, Seiji Nushi, Hiroshi Fukushima
-
Patent number: 7341784Abstract: A light management film includes a first layer with a thermoplastic resin and a particular phosphonium sulfonate salt, and a second layer formed from a curable composition and having a refractive index of at least 1.5. The light management film exhibits reduced static electricity build-up and reduced dust attraction, making it easier to handle during fabrication of display devices such as the flat panel displays of laptop computers.Type: GrantFiled: September 10, 2004Date of Patent: March 11, 2008Assignee: General Electric CompanyInventors: Chunghei Yeung, Yu Hu, Kevin Patrick Capaldo, Anne Elizabeth Herrmann, Yan Zhang, Bret Chisholm, Paul Smigelski, Dennis Joseph Coyle
-
Patent number: 7335703Abstract: A novel polyolefin graft copolymer prepared by graft-copolymerizing an olefin monomer with a (meth)acryl macromonomer or an isobutylene macromonomer in the presence of a coordination polymerization catalyst based on a late transition metal complex and a method for making the novel polyolefin graft copolymer are provided.Type: GrantFiled: August 7, 2002Date of Patent: February 26, 2008Assignee: Kaneka CorporationInventor: Yoshifumi Fukui
-
Patent number: 7326762Abstract: Disclosed is a copolymer comprising a polyethylene segment which is a main chain; a reactive silicon-containing group which is a side group of the polyethylene segment; and a polycondensation segment bonded to the polyethylene segment, which is a part of the main chain together with the polyethylene segment or a side chain with respect to the polyethylene segment. There are provided a condensation polymer having many reactive silicon-containing groups with respect to one molecule and an organic-inorganic hybrid polymeric material having superior properties such as strength, heat resistance, weather resistance and chemical resistance by using the polymer.Type: GrantFiled: December 22, 2005Date of Patent: February 5, 2008Assignees: Orient Chemical Industries, Ltd., Osaka Municipal GovernmentInventors: Motoomi Arakawa, Kazuaki Sukata, Masayuki Shimada, Shigehiro Sasao
-
Patent number: 7323527Abstract: A method for producing a macroporous acrylic resin in an aqueous suspension from a C1-C4 alkyl acrylate, an organic solvent and a crosslinker.Type: GrantFiled: June 8, 2006Date of Patent: January 29, 2008Assignee: Rohm and Haas CompanyInventors: James Charles Bohling, Roy Jeffrey Furbank, Bruce Maurice Rosenbaum
-
Publication number: 20080017308Abstract: The invention provides derivatives of poly(styrene-co-allylalcohol). These materials are useful as thermosetting monomers that can be incorporated into adhesive compositions. In some embodiments, the adhesive compositions are useful in the microelectronic packaging industry.Type: ApplicationFiled: July 24, 2007Publication date: January 24, 2008Inventor: Stephen M. Dershem
-
Patent number: 7317062Abstract: The invention relates to copolymers, suitable as wetting agents and dispersants, obtainable by copolymerizing (a) 1 to 80 mol % of at least one ethylenically unsaturated 1,2-dicarboxylic acid derivative, (b) 2 to 80 mol % of at least one unsaturated monocarboxylic acid derivative having 12 to 30 carbon atoms, (c) 1 to 90 mol % of at least one polyalkyleneoxyallyl ether having a number-average molecular weight of up to 5000 g/mol and (d) 0 to 30 mol % of further, unsaturated monomers; and also reaction products of the copolymers with ammonia, amines, water, alcohols, amino alcohols and/or alkali metal hydroxides or alkaline earth metal hydroxides. The invention further relates to a process for preparing the copolymers and to their use as wetting agents and dispersants in coating materials and moulding compounds.Type: GrantFiled: September 13, 2005Date of Patent: January 8, 2008Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Karlheinz Haubennestel, Werner Tiegs
-
Publication number: 20070287760Abstract: A method for producing a macroporous acrylic resin in an aqueous suspension from a C1-C4 alkyl acrylate, an organic solvent and a crosslinker.Type: ApplicationFiled: June 8, 2006Publication date: December 13, 2007Inventors: James Charles Bohling, Roy Jeffrey Furbank, Bruce Maurice Rosenbaum
-
Patent number: 7304114Abstract: Liquid rubbers that are ordinarily immiscible in liquid thermoset resins can be made miscible by the addition of at least one non-functional aromatic end-group to the polymer chains of such liquid rubber compositions. Such addition may be initiated by high-temperature peroxides in non-functional aromatic solvents. The liquid rubbers are found to improve the fracture toughness of cured thermoset resins while maintaining dimensional and heat resistance.Type: GrantFiled: August 20, 2004Date of Patent: December 4, 2007Assignee: Rohm and Haas CompanyInventor: Edward Ewart LaFleur
-
Patent number: 7288613Abstract: The present invention relates to selected 1-alkoxy-2,2,6,6 tetramethyl piperidine, 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,3,6 dimethyl piperidine derivatives which are substituted in the 4 position by two oxygen atoms forming an open chain or cyclic ketal structure, a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) said piperidine derivatives. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, and the use of 1-alkoxy-2,2,6,6 tetramethyl piperidine, 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,3,6 dimethyl piperidine derivatives which are substituted in the 4 position by two oxygen atoms forming an open chain or cyclic ketal structure for controlled polymerization.Type: GrantFiled: February 28, 2006Date of Patent: October 30, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Peter Nesvadba, Marie-Odile Zink, Wiebke Wunderlich
-
Patent number: 7285615Abstract: An object of the present invention is to provide a particulate water-absorbent resin composition which is so excellent that: the absorption ability in an initial short time is secured in some degree, and further, the absorption capacity lastingly increases over a long period, and also the liquid permeability and the liquid diffusibility can be secured. As a means of achieving this object, a particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a carboxyl-group-containing water-absorbent resin in an amount of not smaller than 80 mass %, with the composition being characterized by being: not less than 20 g/g in specific-particle-diameter absorption capacity under load (0.29 psi (2.00 kPa), 1 hour); and not less than 3 g/g in specific-particle-diameter absorption index increment in 20 hours.Type: GrantFiled: August 27, 2004Date of Patent: October 23, 2007Assignee: Nippon Shokubai Co., Ltd.Inventors: Yoshifumi Adachi, Toshimasa Kitayama, Yorimichi Dairoku
-
Patent number: 7264866Abstract: The object of the present invention is to provide a laminated film excellent in light resistance, scratch resistance, transparency, dimensional stability and adhesion to a hard coating layer. The present invention is a laminated film comprising a base material layer, an easily adhering layer and a hard coating layer, wherein the easily adhering layer is formed on the base material layer and the hard coating layer is formed on the easily adhering layer, and further wherein (1) the base material layer is formed of a polyester resin formed from naphthalenedicarboxylic acid as a main dicarboxylic acid component and ethylene glycol as a main glycol component, (2) the hard coating layer has an ultraviolet absorbing function and has a pencil hardness of H or higher on the hard coating layer surface, and (3) said laminated film has a variation (?b*) of less than 2.0 between transmittance b* values obtained before and after a 300 hours' xenon arc test of said laminated film.Type: GrantFiled: January 20, 2004Date of Patent: September 4, 2007Assignee: Teijin Dupont Films Japan LimitedInventors: Katsuyuki Hashimoto, Makoto Handa
-
Patent number: 7244796Abstract: Branched polymers are prepared by mixing together monofunctional vinylic monomer with from 0.3 to 100% w/w of polyfunctional vinylic monomer and from 0.0001 to 50% w/w of chain transfer agent and thereafter reacting the mixture to form a polymer. The resulting branched polymers are soluble and may be used as component of surface coatings and inks as well as molding resins.Type: GrantFiled: September 16, 2003Date of Patent: July 17, 2007Assignee: Lucite International UK LimitedInventors: Michael S. Chisholm, Andrew T. Slark, David Sherrington, Nial O'Brien
-
Patent number: 7238761Abstract: Multifunctional biocompatible hydrophilic gel contains, in % (w/w), acrylamide—1.95-8.0, methacrylamide—0.54-3.0, 2-hydroxyethyl methacrylate—0.003-0.4, N,N?-methylene-bis-acrylamide—0.006-0.6 and water—q.s. to 100. The hydrophilic gel is produced by co-polymerization of the above mentioned monomers in water medium in the presence of a peroxide initiator of polymerization in three stages which include (1) incubation of the reaction mixture at 20-30° C. for 12-24 hours, (2) exposure to ?-radiation at a dose of 0.4-1.0×106 rads, and (3) incubation at a temperature of 100-130° C. and pressure of 0-1.2 atm. for 20-40 minutes.Type: GrantFiled: September 9, 2004Date of Patent: July 3, 2007Assignee: Obschestvos Organichennoy Otvetstvennostyu “Vitagel”Inventor: Vladislav Victorovich Lopatin
-
Patent number: 7217377Abstract: An optical waveguide based on a photochromic diarylethene polymer dispersed in a polymeric matrix, and a method for preparing such waveguide is disclosed.Type: GrantFiled: December 23, 2002Date of Patent: May 15, 2007Assignee: Pirelli & C. S.p.A.Inventors: Marco Colombo, Antonio Zaopo, Yuri A. Dubitsky, Giuseppe Zerbi, Chiara Bertarelli, Maria Carla Gallazzi
-
Patent number: 7189303Abstract: Initiator systems of the present invention include both a complexed initiator and a carboxylic acid decomplexer. For example, dicarboxylic acid decomplexer, carboxylic acid ester decomplexers, and monocarboxylic acid decomplexers (preferably those comprising an alkyl group having at least nine carbon atoms for low odor compositions) are useful in the present invention.Type: GrantFiled: August 31, 2004Date of Patent: March 13, 2007Assignee: 3M Innovative Properties CompanyInventors: Edward J. Deviny, Dean M. Moren
-
Patent number: 7183368Abstract: Disclosed is a chemical-amplification negative-working photoresist composition used for photolithographic patterning in the manufacture of semiconductor devices suitable for patterning light-exposure to ArF excimer laser beams and capable of giving a high-resolution patterned resist layer free from swelling and having an orthogonal cross sectional profile by alkali-development. The characteristic ingredient of the composition is the resinous compound which has two types of functional groups, e.g., hydroxyalkyl groups and carboxyl or carboxylate ester groups, capable of reacting each with the other to form intramolecular and/or intermolecular ester linkages in the presence of an acid released from the radiation-sensitive acid generating agent to cause insolubilization of the resinous ingredient in an aqueous alkaline developer solution.Type: GrantFiled: November 8, 2004Date of Patent: February 27, 2007Assignee: Tokyo Ohka Kogyo Co., Ltd.Inventors: Hideo Hada, Takeshi Iwai, Satoshi Fujimura
-
Patent number: 7166661Abstract: An organic-inorganic composite material is formed by polycondensating a metal alkoxide through hydrolysis until the unreacted metal alkoxide is reduced to 3 vol. % or less, and mixing it with an organic polymer. The composite material has a light transmittance of at least 90% per 10 ?m material thickness for light of 600 to 1000 nm. The metal element content of the composite material is preferably 0.1 to 46 wt. %, more preferably 5 to 37 wt. %. By laminating layers of such organic-inorganic composite materials having respective different compositions, the resulting laminate has a concentration gradient wherein the metal element content increases or decreases monotonously, or increases and decreases in succession, from one side to the other side of the laminate. The resulting refractive index varies opposite the metal element content. The material can be used for an optical waveguide or a light transmission structure.Type: GrantFiled: March 1, 2004Date of Patent: January 23, 2007Assignee: Sanyo Electric Co., Ltd.Inventors: Keiichi Kuramoto, Hiroaki Izu, Koji Yamano, Hitoshi Hirano
-
Patent number: 7160970Abstract: The present invention is directed to methods for preparing multi-functional emulsion polymers.Type: GrantFiled: September 17, 2004Date of Patent: January 9, 2007Assignee: Rohm and Haas CompanyInventors: Marianne Patricia Creamer, Lester William Greene, Jr., Ari Kenneth Kar, Miao Wang
-
Patent number: 7160965Abstract: A catalyst system useful to polymerize and co-polymerize polar and non-polar olefin monomers is formed by in situ reduction with a reducing agent of a catalyst precursor comprising {Cp*MRR?n}+{A}? wherein Cp* is a cyclopentadienyl or substituted cyclopentadienyl moiety; M is an early transition metal; R is a C1–C20 hydrocarbyl; R? are independently selected from hydride, C1–C20 hydrocarbyl, SiR?3, NR?2, OR?, SR?, GeR?3, SnR?3, and C?C-containing groups (R?=C1–C10 hydrocarbyl); n is an integer selected to balance the oxidation state of M; and A is a suitable non-coordinating anionic cocatalyst or precursor. This catalyst system may form stereoregular olefin polymers including syndiotactic polymers of styrene and methylmethacrylate and isotactic copolymers of polar and nonpolar olefin monomers such as methylmethacrylate and styrene.Type: GrantFiled: May 4, 2005Date of Patent: January 9, 2007Assignee: Northwestern UniversityInventors: Tobin J. Marks, Lubin Luo, Sung Cheol Yoon
-
Patent number: 7157537Abstract: The invention relates to ?-halocarboxylic acid esters of polyhydric, at least trihydric, alcohols, which can be used as initiators for ATRP. Using those initiators it is possible to prepare block copolymers having branched structures.Type: GrantFiled: February 26, 2004Date of Patent: January 2, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Andreas Mühlebach, François Rime