Water Patents (Class 522/84)
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Patent number: 8124666Abstract: An object of the present invention is to provide an energy ray-curable ink composition which is excellent in curability and adhesion, and is also excellent in storage stability. The present invention relates to an energy ray-curable ink composition comprising a coloring material; a polyfunctional monomer having three or more ethylenical double bonds in one molecule as a polymerizable compound; an ?-aminoalkylphenone-based compound and a thioxanthone-based compound as photopolymerization initiators; and a hindered amine-based compound having a 2,2,6,6-tetramethylpiperidinyl group as an antigelling agent.Type: GrantFiled: February 4, 2009Date of Patent: February 28, 2012Assignee: Hitachi Maxell, Ltd.Inventors: Katsuyuki Kito, Masayuki Oya, Satoshi Kobayashi
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Patent number: 8114920Abstract: The UV-curable aqueous coating composition is characterized by using a UV-curable aqueous emulsion obtained by urethane reaction with a mixture including a poly-carbonate polyol or polyester polyol; an isocyanate compound; a urethane-reactive carboxylic acid; a UV-curable acrylic oligomer having 2 to 9 functional acrylate groups; a UV-curable acrylic monomer; and a urethane-reactive acrylate without an organic solvent. The aqueous composition provides good environmental acceptability and satisfactory film properties comparable to those of the prior oily UV-curable coating composition and, therefore, it is useful for coating various plastics.Type: GrantFiled: January 15, 2007Date of Patent: February 14, 2012Assignee: Akzo Nobel Coatings International B.V.Inventors: Dong Soo Kim, Tae Yun Jeong, Su Dong Hong, Jung Hyun Oh
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Patent number: 8110249Abstract: An antireflective coating composition includes a photopolymerizable acrylate monomer (C1); a particle-type metal fluoride (C2) with a refractive index of 1.40 or less; a photopolymerization initiator (C3); and at least one liquid dispersion-enhancing chelating agent (C4) selected from the group consisting of Mg(CF3COO)2, Na(CF3COO), K(CF3COO), Ca(CF3COO)2, Mg(CF2COCHCOCF3)2 and Na(CF2COCHCOCF3). This composition ensures good mechanical strength, excellent adhesion to a substrate, short curing time by UV curing, prevention of dust attachment, good erasure of stain, good dust removal and good scratch resistance, so it is usefully for making an antireflective coating film of a display.Type: GrantFiled: July 6, 2007Date of Patent: February 7, 2012Assignee: LG Chem, Ltd.Inventors: Joon-Koo Kang, Mi-Young Han, Young-Eun Lee, Young-Jun Hong, Yeong-Rae Chang
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Patent number: 8106109Abstract: The invention concerns a dental filling material with dual hardening mechanism, wherein i) a first hardening mechanism is based on a photocuring reaction, preferably a radical reaction, and ii) a second hardening mechanism is dependent on H2O as a reactant, especially as a ligand. Preferably, the second hardening mechanism is a gypsum-type reaction. Owing to the expansion of the composition an excellent marginal seal can be achieved, while the first hardening mechanism allows for a rapid cure on demand.Type: GrantFiled: May 12, 2008Date of Patent: January 31, 2012Assignee: Coltene Whaledent AGInventors: Ralf Böhner, Dierk Lübbers, Silvan Benz
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Patent number: 8101673Abstract: The present invention relates to a UV-crosslinkable composition comprising a) unmodified, protonated silica nanoparticles; b) urethane acrylate; c) polar solvent; and d) UV initiator system, wherein the amount by weight of unmodified, protonated silica nanoparticles exceeds the content of urethane acrylate and is at least 50.1 wt. %, based on the dry weight of the coating, to the use of the composition in the coating of substrates, and to substrates coated with such formulations.Type: GrantFiled: January 15, 2009Date of Patent: January 24, 2012Assignee: Bayer MaterialScience AGInventors: Karlheinz Hildenbrand, Peter Capellen, Eberhard Koch
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Publication number: 20110293669Abstract: The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as precursors that react upon contact with an initiator. In embodiments, the resulting hydrogels may have varying levels of crosslinking with both denser and less dense regions.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Inventors: Steven Bennett, Nathaniel Mast, Kevin Lavigne, Walter Skalla
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Patent number: 8048937Abstract: The present invention relates to UV-curable polyurethane dispersions, to a process for preparing them, and to their use.Type: GrantFiled: February 23, 2006Date of Patent: November 1, 2011Assignee: BASF AktiengesellschaftInventors: Yvonne Heischkel, Harald Larbig, Werner Lebkuecher, Reinhold Schwalm, Nick Gruber, Christian Krueger, Michael Kluge, Cedric Dieleman
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Publication number: 20110261129Abstract: The invention provides an active energy ray curable ink jet recording liquid composition including a radically polymerizable compound, an active energy ray polymerization initiator, a wax and water, wherein the melting point of the wax is 40° C. or more and 120° C. or less.Type: ApplicationFiled: April 7, 2011Publication date: October 27, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Kouji Harada, Kenji Shinjo, Shinsuke Tsuji, Yutaka Kurabayashi
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Patent number: 8030369Abstract: The invention relates to a biomedical molding, in particular a contact lens, which is obtainable by crosslinking, in a mold, an aqueous solution of a crosslinkable polyvinyl alcohol (PVA) prepolymer comprising at least 0.5 weight-%, based on the entire formulation, of a non-reactive PVA, wherein the number-average molecular weight of the non-reactive PVA is higher than that of the crosslinkable PVA. A contact lens of the invention has an improved wearing comfort.Type: GrantFiled: October 5, 2005Date of Patent: October 4, 2011Assignee: Novartis AGInventor: Lynn Cook Winterton
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Publication number: 20110237701Abstract: [Problems to be Solved] To provide highly hydrous contact lenses having a cellulose derivative as an essential component. [Means to Solve the Problems] The highly hydrous contact lens formed by exposing a pasty mixture containing a cellulose derivative, a polymerizable compound couplable to the foregoing cellulose derivative, and water to radiation.Type: ApplicationFiled: March 14, 2011Publication date: September 29, 2011Applicants: Nippon Contact Lens Inc., JAPAN ATOMIC ENERGY AGENCYInventors: Toshihiro SATO, Akihiro Hiroki, Naotsugu Nagasawa, Masao Tamada
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Publication number: 20110230583Abstract: The present invention provides a process for producing an N-vinylamide polymer in an efficient manner by an aqueous solution polymerization method in which a gel-like polymer having an excellent handling property can be produced, and a polymerization time can be shortened. The process for producing an N-vinylamide polymer by subjecting a monomer component comprising N-vinylamide to aqueous solution polymerization according to the present invention comprises the step of polymerizing the monomer component comprising N-vinylamide in the presence of an inorganic salt, which inorganic salt is present in an amount of not less than 7% by mass based on water in a uniform aqueous solution comprising the monomer component at a concentration not more than a saturated solution concentration thereof as measured at a polymerization initiation temperature.Type: ApplicationFiled: June 29, 2009Publication date: September 22, 2011Inventor: Koji Shimizu
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Patent number: 8022112Abstract: A plasticized ceramic-forming mixture and a method for stiffening the mixture, the mixture comprising a combination of inorganic powder, one or more plasticizing organic binders, a radiation-curable monomer, a photoinitiator, and water, and the method comprising stiffening the surfaces of extruded shapes of the mixture by applying electromagnetic energy to the surfaces following extrusion.Type: GrantFiled: November 29, 2007Date of Patent: September 20, 2011Assignee: Corning IncorporatedInventors: Michelle Dawn Fabian, Edward John Fewkes, Kevin Robert McCarthy
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Publication number: 20110211013Abstract: An ink composition includes a colorant particle, a water-soluble polymerizable compound having an acrylamide structure in a molecule thereof, colloidal silica, and water.Type: ApplicationFiled: February 25, 2011Publication date: September 1, 2011Applicant: FUJIFILM CORPORATIONInventors: Jun MATSUMOTO, Kiyoshi IRITA
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Patent number: 7985782Abstract: The present invention provides an ink for a color filter comprising a polymer binder, a crosslinking monomer, a solvent, a pigment, and a polymerization initiator. The polymer binder comprises acrylate or methacrylate including a hydroxy group. The polymer binder may comprise 2-hydroxyethyl acrylate or 2-hydroxyethyl methacrylate.Type: GrantFiled: January 9, 2007Date of Patent: July 26, 2011Assignees: Samsung Electronics Co., Ltd., Dongjin Semichem Co., Ltd.Inventors: Kwang Ho Lee, Byoung Joo Kim, Jang Sub Kim, Chang Hun Kwak, Seong Gyu Kwon, Chan Seok Park, Kyung Ah Kim, Hyun Il Cho, Gil Lae Kim, Yoon Ho Kang
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Patent number: 7977398Abstract: An aqueous-based UV-curable fluid composition for use in a micro-fluid ejection device. The fluid composition includes a mixture of poly-functional compounds, a colorant compound, a photo-initiator and less than about 50 weight percent water based on a total weight of the fluid composition, wherein the fluid composition is substantially devoid of volatile organic carrier fluids.Type: GrantFiled: December 17, 2008Date of Patent: July 12, 2011Inventors: Robert Lee Cornell, Robert Wilson Cornell
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Patent number: 7973095Abstract: The invention relates to a process for the production of water-soluble or water-swellable polymers having a low content of residual monomers, particularly on the basis of acrylic acid and/or acrylamide and at least one additional water-soluble comonomer, in which process a monomer solution in a polymerizing state is treated with electromagnetic radiation at the earliest after reaching the maximum temperature of polymerization, and the gel obtained is subsequently crushed and dried, and it also relates to the water-soluble or water-swellable polymers as such, which can be obtained according to said process, to their use in the hygiene industry, packaging industry, in the agrarian technology or in agriculture and horticulture, in the cable industry and information technology, in the food industry, papermaking industry, and to their use as flocculation aids and as drilling fluid in petroleum production.Type: GrantFiled: January 16, 2006Date of Patent: July 5, 2011Assignee: Evonik Stockhausen GmbHInventors: Gregor Herth, Manfred Dannehl, Norbert Steiner
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Publication number: 20110160689Abstract: The present invention relates to a High Internal Phase Emulsion (HIPE) and HIPE foams produced therefrom comprising two or more layers and having a photoinitiator.Type: ApplicationFiled: June 7, 2010Publication date: June 30, 2011Inventors: Steven Ray Merrigan, Thomas Allen Desmarais
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Patent number: 7968618Abstract: A one-component self-etching self-priming dental adhesive composition is disclosed. The composition comprises glycerol phosphate di(meth)acrylate monomer, at least one mono-functional polymerizable monomer having just one ethylenically unsaturated group, at least one multi-functional polymerizable monomer having at least two ethylenically unsaturated groups, at least one aprotic solvent, at least one protic solvent, and at least one polymerization initiator.Type: GrantFiled: July 13, 2010Date of Patent: June 28, 2011Assignee: Kerr CorporationInventors: Xiangxu Chen, Xuejun Qian
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Patent number: 7963769Abstract: A dental adhesive composition comprising (i) at least one non-acidic polymerizable monomer having at least one ethylenically unsaturated group, (ii) optionally one or more acidic compounds, (iii) at least one photoinitiator, (iv) at least one solvent, and (v) about 0-40% by weight of one or more fillers; wherein the weight ratio of non-acidic polymerizable monomers/acidic compounds in the adhesive composition is more than about 4.5; the viscosity of the adhesive composition is less than about 350 centipoise (cP) at 25° C.; and the adhesive composition excluding solvent and filler has an acid number of less than about 0.75 mmol NaOH/g. The dental adhesive composition is used with a dental primer composition, which may be provided together in a kit.Type: GrantFiled: October 8, 2007Date of Patent: June 21, 2011Assignee: Kerr CorporationInventor: Xuejun Qian
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Publication number: 20110143055Abstract: The present invention provides the use of aqueous dispersions comprising a pigment (B) at least partially enveloped by polyurethane (A) and further comprising at least one polymerization inhibitor (C), said polyurethane (A) being obtainable by reaction of (a) 15% to 70% by weight of di- or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C—C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di- or polyisocyanate, with (c) 5% to 50% by weight of compound having at least two isocyanate-reactive groups, weight % ages being based on total polyurethane (A), in printing inks.Type: ApplicationFiled: July 30, 2009Publication date: June 16, 2011Applicant: BASF SEInventors: Holger Tuerk, Reinhold Schwalm, Cedric Du fresne von hohenesche, Martin Kaarup Bek
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Patent number: 7943067Abstract: The present invention includes a method for preparing polymer hydrogel spherical particles on a nanometer scale (nanogels). The method includes encapsulating hydrogel-forming components into liposomes, diluting the large unilamellar liposomes suspension to prevent polymerization outside the liposomes, and polymerizing the encapsulated hydrogel-forming components. The lipid bilayer may be solubilized with detergent. The phospholipid and detergent molecules and their micelles may then be removed by dialysis. The resulting nanogels may then be dried by evaporation in a temperature gradient. Poly(acrylamide), poly(N-isopropylacrylamide), and poly(N-isopropylacrylamide-co-1-vinylimidazole) hydrogel particles with a diameter from 30 to 300 nm were detected and characterized by dynamic light scattering technique. The solvent, temperature, pH, and ionic sensitivities of the nanogels were studied.Type: GrantFiled: August 14, 2002Date of Patent: May 17, 2011Assignee: Polytechnic Institute of New York UniversityInventors: Sergey Kazakov, Marian Kaholek, Kalle Levon
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Patent number: 7939578Abstract: Polymeric fibers and methods of making the polymeric fibers are described. The polymeric fibers are crosslinked hydrogels or dried hydrogels that are prepared from a precursor composition that contains polymerizable material having an average number of ethylenically unsaturated groups per monomer molecule greater than 1.0. The polymeric fibers can contain an optional active agent.Type: GrantFiled: August 30, 2007Date of Patent: May 10, 2011Assignee: 3M Innovative Properties CompanyInventors: Robin E. Wright, Mahfuza B. Ali, Jessica M. Buchholz, Louis C. Haddad, Linda K. M. Olson, Matthew T. Scholz, Narina Y. Stepanova, Michael J. Svarovsky, Richard L. Walter, Caroline M. Ylitalo, Diane R. Wolk, Yifan Zhang
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Patent number: 7923481Abstract: The present invention relates to a composition which is curable by radiation such as an ultraviolet ray or an electron beam. Specifically, the present invention relates to a curable composition which is useful for coatings and inks. The present invention provides a radiation curable composition that is highly cationically polymerizable and highly adhesive to substrates. A radiation curable composition of the present invention includes, as essential ingredients, a cationically polymerizable compound (a) represented by the following general formula 1 (wherein, R represents an alkyl group of 1 to 10 carbon atoms, R1 represents a hydrogen atom or a methyl group, n represents a number from 1 to 4, and m represents a number from 0 to 10); a cationic photoinitiator (b); and water (c).Type: GrantFiled: October 31, 2008Date of Patent: April 12, 2011Assignee: DIC CorporationInventors: Kai-Uwe Gaudl, Artur Lachowicz
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Patent number: 7883648Abstract: Lipobeads (liposome-encapsulated hydrogels) combine properties of hydrogels and liposomes to create systems that are sensitive to environmental conditions and respond to changes in those conditions in a fast time scale. Lipobeads may be produced by polymerizing anchored or unanchored hydrogels within liposomes or by mixing anchored or unanchored hydrogels with liposomes. Giant lipobeads may be produced by shrinking unanchored nanogels in lipobeads and fusing the resulting lipobead aggregates, long-term aging of anchored or unanchored lipobeads, or mixing anchored or unanchored aggregated nanogels with liposomes. Poly(acrylamide), poly(N-isopropylacrylamide), and poly(N-isopropylacrylamide-co-1-vinylimidazole) lipobeads were produced and characterized.Type: GrantFiled: November 16, 2009Date of Patent: February 8, 2011Assignee: Polytechnic Institute of New York UniversityInventors: Sergey Kazakov, Marian Kaholek, Kalle Levon
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Patent number: 7875362Abstract: An absorbent member and a method for making such an absorbent member. The absorbent member includes a modified water absorbent resin having good production efficiency, absorbency against pressure, absorption speed, gel strength, and liquid permeability. The modified water absorbent resin may be made by mixing a water absorbent resin, water, and a water-soluble radical polymerization initiator without addition of an ethylenically unsaturated monomer to obtain a water absorbent resin composition, and irradiating the water absorbent resin composition with active energy rays. During irradiation, the surface water content of the water absorbent resin is at least 3.0 wt %.Type: GrantFiled: May 20, 2010Date of Patent: January 25, 2011Assignee: The Procter & Gamble CompanyInventors: Yoshiro Mitsukami, Makoto Matsumoto, Taku Iwamura
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Patent number: 7872057Abstract: A liquid radiation and thermally curing composition characterized in, that said composition comprises at least one ester between at least one tri or polyalcohol and acrylic and/or methacrylic acid, which ester has at least two hydroxyl groups, at least one acrylic or methacrylic double bond, a hydroxyl value of 50-500 mg KOH/g and a double bond concentration of 1-10 mmoles/g, at least one crosslinking agent for hydroxyl functional compounds, which crosslinking agent optionally has at least one olefinic double bond, and an additive package comprising at least one photoinitiator, radical scavenger, light stabilizer, wetting agent and/or leveling agent, and optionally at least one monomeric or oligomeric reactive diluent.Type: GrantFiled: October 2, 2006Date of Patent: January 18, 2011Assignee: Perstorp Specialty Chemicals ABInventors: David James, Kent Sörensen, Henrik Bernquist
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Patent number: 7868055Abstract: Aqueous UV-hardenable dispersions are provided, as well as their use for the production of coating agents, in particular coatings for ligneous substrates.Type: GrantFiled: January 30, 2008Date of Patent: January 11, 2011Assignee: Bayer MaterialScience AGInventors: Harald Blum, Erhard Luehmann, Stefan Sommer, Christoph Irle
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Patent number: 7858669Abstract: There is provided a novel composition for an alignment film having excellent adhesiveness to a liquid crystal layer as well as to a substrate when a cycloolefin-based aligned film (COP) is used as the substrate instead of triacetyl cellulose (TAC) that is used as a conventional substrate for an optical film whose optical properties are significantly deteriorated when it is used under hot and humid environments. The composition for an alignment film that is used for splay alignment includes polyvinyl alcohol (PVA); 13 to 25% by weight of an aery late monomer based on the weight of the polyvinyl alcohol; 20 to 30 % by weight of a compatibilizing agent based on the weight of the acrylate monomer; and 10 to 50% by weight of an aqueous photo initiator based on the weight of the acrylate monomer.Type: GrantFiled: November 15, 2007Date of Patent: December 28, 2010Assignee: LG Chem, Ltd.Inventors: Du-Hyun Shin, Hyuk Yoon, Moon-Soo Park
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Patent number: 7838110Abstract: A photoactive compound that is the Michael addition reaction product of an aziridine compound and a photoinitiator-functional (meth)acrylate is described. The compound can be used to crosslink (meth)acrylic polymers via a hydrogen abstracting or an alpha-cleavage mechanism.Type: GrantFiled: December 2, 2008Date of Patent: November 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Peiwang Zhu, Maureen A. Kavanagh, Kelly S. Anderson, Larry R. Krepski, Guy D. Joly, Belma Erdogan, Babu N. Gaddam
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Patent number: 7820729Abstract: A process for preparing functionalised microporous polymers (which are also known as micro-cellular polymers or polyHIPE polymers (PHPs)) using intensified internal heating (for example by microwave irradiation).Type: GrantFiled: April 13, 2006Date of Patent: October 26, 2010Assignee: University of Newcastle Upon Tyne, c/o School of Chemical Engineering and Advanced MaterialsInventors: Galip Akay, Zainura Zainon Noor, Omer Faruk Calkan, Teresa Manguangua Ndlovu, David Robert Burke
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Patent number: 7816417Abstract: A water soluble photo-curable antistatic resin compound has developed to improve the wear resistance and high transparency comprising: 5˜15 wt % of fine conductive particles containing carbon nanotubes, 0.1˜5 wt % of fumed silica, 10˜20 wt % of water soluble acrylate based oligomer, 20˜75 wt % of mono-functional monomer or multi-functional monomer, 0.1˜5 wt % of photo-polymerization initiator, 0.1˜5 wt % of additive including at least one selected from a group consisting of adhesion enhancer, dispersing agent, defoaming agent, leveling agent; and 50˜150 parts by weight of pure water relative to the total 100 weight of the above ingredients. The water soluble photo-curable antistatic resin compound is coated to the conductive hard tile having double-layer lamination, such as a general rubber or PVC to improve the wear resistance.Type: GrantFiled: March 10, 2008Date of Patent: October 19, 2010Inventor: Chae-Ho Kim
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Publication number: 20100261850Abstract: Provided is a surface treatment method for a water-absorbent resin having excellent production efficiency, absorption capacity against pressure, fluid permeability or the like. Provided is a method for the surface treatment of a water-absorbent resin which comprises a) a step for mixing 0.1 to 20 parts by weight of an acid group-containing radically polymerizable compound and 5 to 20 parts by weight of water, relative to 100 parts by weight of a water-absorbent resin; and b) a step for polymerizing the acid group-containing radically polymerizable compound, wherein neutralization ratio of the acid group-containing radically polymerizable compound is 0 to 60% by mol, and is lower than neutralization ratio of the water-absorbent resin.Type: ApplicationFiled: October 8, 2008Publication date: October 14, 2010Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Yoshiro Mitsukami, Taku Iwamura, Makoto Matsumoto
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Patent number: 7790347Abstract: A three-dimensional shaped structure is prepared from a multi-photon reactive composition including: (a) at least one reactive species; (b) a multi-photon photoinitiator system; and (c) a plurality of substantially inorganic particles, wherein the particles have an average particle size of less than about 10 microns in diameter.Type: GrantFiled: July 11, 2008Date of Patent: September 7, 2010Assignee: 3M Innovative Properties CompanyInventors: Catherine A. Leatherdale, Craig R. Schardt, D. Scott Thompson, Wendy L. Thompson
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Publication number: 20100222448Abstract: Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least one isocyanate reactive group and at least one free radically polymerisable unsaturated group, and at least one compound comprising at least one isocyanate reactive group and at least one at least dispersing active group, and optionally at least one compound comprising at least two isocyanate reactive groups and having a molecular weight of less than 1000 g/mol.Type: ApplicationFiled: March 16, 2006Publication date: September 2, 2010Applicant: PERSTORP SPECIALTY CHEMICALS ABInventors: Göran Ziegler, David James, Kent Sörensen
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Patent number: 7786182Abstract: The present invention provides a method for producing a water absorbing agent which excels in water absorption properties. In detail, the present invention provides a method for the production of a water absorbing agent, comprising a) a step of mixing a water absorbing resin, water, and a mixing aid without adding a water-soluble radical polymerization initiator and an ethylenically unsaturated monomer and b) a step of irradiating the resultant mixture with ultraviolet rays while keeping the mixture with flowed state.Type: GrantFiled: September 15, 2006Date of Patent: August 31, 2010Assignee: Nippon Shokubai Co., Ltd.Inventors: Taku Iwamura, Yoshiro Mitsukami
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Patent number: 7767731Abstract: A one-component self-etching self-priming dental adhesive composition is disclosed. The composition comprises glycerol phosphate di(meth)acrylate monomer, at least one mono-functional polymerizable monomer having just one ethylenically unsaturated group, at least one multi-functional polymerizable monomer having at least two ethylenically unsaturated groups, at least one aprotic solvent, at least one protic solvent, and at least one polymerization initiator.Type: GrantFiled: December 29, 2005Date of Patent: August 3, 2010Assignee: Kerr CorporationInventors: Xiangxu Chen, Xuejun Qian
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Patent number: 7767381Abstract: This invention relates to a photosensitive composition characterized by comprising components A, B and C, and a photosensitive film and a stencil for screen printing using the photosensitive composition; Component A: a poly(vinyl alcohol) polymer represented by formula (1) or (2) wherein R1 represents a hydrogen atom, an alkyl or aralkyl group having 1 to 10 carbon atoms, wherein the alkyl and aralkyl groups may be substituted by a hydroxyl or carbamoyl group and the bond between carbon atoms thereof may be present through an oxygen atom or an unsaturated bond; R2 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; m is an integer of 1 to 6; n is 0 or 1; and X? represents a halogen ion, a phosphate ion, a methosulfate ion, or a sulfonate ion, or a mixture of the anions; component B: a radical polymerizable monomer containing at least one ethylenically unsaturated bond and possesses an anion dissociating capability; and component C: a radical photoinitiator.Type: GrantFiled: May 17, 2006Date of Patent: August 3, 2010Assignee: Murakami Co., Ltd.Inventors: Kunihiro Ichimura, Junichi Kawanobe, Chieko Hotta, Eri Nagabuchi
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Patent number: 7745507Abstract: This invention is to provide an absorbent member and a method for making such an absorbent member. The absorbent member comprises modified water absorbent having good production efficiency, good absorbency against pressure, good absorption speed, gel strength, good liquid permeability, and the like. The modified water absorbent resin is made by a method, which comprises (i) a mixing step comprising mixing a water absorbent resin, water, and a water-soluble radical polymerization initiator without addition of an ethylenically unsaturated monomer, to obtain a water absorbent resin composition, and (ii) an irradiating step comprising irradiating said water absorbent resin composition obtained in the mixing step with active energy rays, wherein the surface water content of said water absorbent resin in said water absorbent resin composition at least at any point of time in the irradiating step (ii) is controlled to a level of not lower than 3.0% by weight based on 100% by weight of the water absorbent resin.Type: GrantFiled: April 4, 2007Date of Patent: June 29, 2010Assignee: The Procter & Gamble CompanyInventors: Yoshiro Mitsukami, Makoto Matsumoto, Taku Iwamura
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Publication number: 20100144915Abstract: A radiation curable aqueous coating composition having a 85° gloss of ?60 upon drying comprising (A) 10 to 99 wt % of a polyurethane, (B) 1 to 90 wt % of a radiation curable component; (C) 0.1 to 10 wt % of an associative thickener; wherein at least 80 wt % of (A)+(B)+(C) has a particle size greater than 500 nm and wherein the C?C bond concentration of the composition is 0.2 to 5.0 mmol per g of (A)+(B)+(C).Type: ApplicationFiled: February 19, 2008Publication date: June 10, 2010Inventors: Ilse Van Casteren, Roland Tennebroek, Mario Cornelis Schoondermark, Paul De Kok
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Patent number: 7709550Abstract: An ink composition is provided that includes a cationically polymerizable compound (a), a compound (b) that generates an acid when exposed to radiation, a colorant (c), and a salt of a weak acid having a pKa of 4 to 8 (d). There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium, and a step of irradiating the discharged ink composition with radiation so as to cure the ink composition.Type: GrantFiled: September 7, 2006Date of Patent: May 4, 2010Assignee: FUJIFILM CorporationInventor: Toshiaki Aoai
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Patent number: 7696401Abstract: An absorbent material formed at least in part of a cross-linked polymer. The absorbent material has a centrifuge retention capacity as determined by a Centrifuge Retention Capacity Test of at least about 20 g/g and a gel bed permeability under load as determined by a Gel Bed Permeability Under Load Test of at least about 300×10?9 cm2 or a free swell gel bed permeability as determined by a Free Swell Gel Bed Permeability Test of at least about 2,500×10?9 cm2. The cross-linked polymer may comprise either at least about 75 weight percent anionic polymer or at least about 75 weight percent cationic polymer. In one embodiment, the cross-linked polymer is surface treated with a water soluble non-cross-linked polymer having a potential for becoming charged opposite that of the cross-linked polymer.Type: GrantFiled: July 31, 2003Date of Patent: April 13, 2010Assignee: Evonik Stockhausen, Inc.Inventors: Jian Qin, Xiaomin Zhang, Debra Ann Miller
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Patent number: 7687551Abstract: Adhesive compositions useful for laminating cellulosic substrates are formulated using an aqueous emulsion of a vinyl ester polymer such as polyvinyl acetate, one or more monomers or oligomers functionalized with (meth)acrylate groups, and a photoinitiator. The adhesive is cured by drying and exposing the adhesive to UV or visible light and is particularly useful for attaching clear films to cellulosic substrates such as paper and boxboard (e.g., in the manufacture of envelopes or folding cartons having windows).Type: GrantFiled: September 6, 2006Date of Patent: March 30, 2010Assignee: Henkel CorporationInventors: Alexander P. Mgaya, Balasubramaniam Ramalingam
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Patent number: 7649026Abstract: Radiation curable compositions, such as UV curable ink compositions, contain a polymeric dispersant, a curable material, and a nanoscale pigment particle composition including an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.Type: GrantFiled: November 1, 2007Date of Patent: January 19, 2010Assignee: Xerox CorporationInventors: C. Geoffrey Allen, Rina Carlini, Sandra J. Gardner
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Patent number: 7642298Abstract: A polymeric surfactant formed by the reaction of an oligomeric or polymeric substrate with at least one ethylenically unsaturated monomer, wherein the reaction is conducted in the presence of a type II photo initiator and by the action of actinic radiation. The polymeric surfactant is useful for stabilising the interface in emulsions or dispersions.Type: GrantFiled: May 26, 2004Date of Patent: January 5, 2010Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventor: Michael Singh
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Patent number: 7629394Abstract: The present invention describes a process of preparing microcapsules in a UV curable water immiscible phase. The microcapsules formed according to the invention contain an aqueous phase core. The process comprises dispersing a water soluble or dispersible core material along with at least one wall forming prepolymer and a polycondensation polymerization catalyst into an aqueous solution. The aqueous phase is then dispersed into the water immiscible phase comprising UV curable monomers or oligomers forming droplets of the aqueous phase solution in the water immiscible phase. Polycondensation of the prepolymers is initiated to form polymeric wall material or microcapsules at or near the interface of the water immiscible solvent and droplets of aqueous phase solution. Following capsule formation, a UV initiator is dispersed in the water immiscible phase. The UV curable dispersion containing aqueous microcapsules can be coated on a substrate.Type: GrantFiled: February 21, 2006Date of Patent: December 8, 2009Assignee: Appleton Papers Inc.Inventor: Nianxi Yan
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Publication number: 20090286001Abstract: An active energy radiation polymerizable substance is disclosed which is represented by the following general formula (I): wherein Z is a dihydric to hexahydric polyol residue, and A, B and D are groups represented by the following formulas (II) to (IV), respectively: (II), (III), and (IV).Type: ApplicationFiled: September 28, 2006Publication date: November 19, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Tsuyoshi Kanke, Yutaka Kurabayashi, Kenji Shinjo, Hiromitsu Kishi
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Patent number: 7618565Abstract: Lipobeads (liposome-encapsulated hydrogels) combine properties of hydrogels and liposomes to create systems that are sensitive to environmental conditions and respond to changes in those conditions in a fast time scale. Lipobeads may be produced by polymerizing anchored or unanchored hydrogels within liposomes or by mixing anchored or unanchored hydrogels with liposomes. Giant lipobeads may be produced by shrinking unanchored nanogels in lipobeads and fusing the resulting lipobead aggregates, long-term aging of anchored or unanchored lipobeads, or mixing anchored or unanchored aggregated nanogels with liposomes. Poly(acrylamide), poly(N-isopropylacrylamide), and poly(N-isopropylacrylamide-co-1-vinylimidazole) lipobeads were produced and characterized.Type: GrantFiled: August 14, 2002Date of Patent: November 17, 2009Assignee: Polytechnic Institute of New York UniversityInventors: Sergey Kazakov, Marian Kaholek, Kalle Levon
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Patent number: 7619015Abstract: The present invention relates to an ink composition containing fine particles having an amino group on surfaces thereof. According to the invention, there can be provided an ink composition which prevents volatilization or bleedout of an amine compound to cause no discharge of the amine compound into the environment and is also excellent in curability. Further, there can be provided an ink composition which is excellent in curing efficiency, surface curability and internal curability, and can prevent the occurrence of cracks.Type: GrantFiled: March 15, 2006Date of Patent: November 17, 2009Assignee: Eiko Epson CorporationInventors: Takashi Oyanagi, Keitaro Nakano
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Patent number: 7615582Abstract: A hydrophobic acidic group-containing polymeric monomer (a); a water-soluble polymeric monomer (b); water (c); a photopolymerization initiator (d); an aromatic tertiary amine (e) having an electron-withdrawing group; a cross-linkable polymeric monomer (f); and a basic compound (g) for producing a water-soluble salt through a reaction with a part of the hydrophobic acidic group-containing polymeric monomer (a) are included as essential compounding ingredients. A one-part dental adhesive composition that exhibits high adhesive strength and high storage stability in adhesion between a teeth, and more particularly enamel or dentine, and a dental repairing material, and more particularly a resin material, is provided.Type: GrantFiled: December 8, 2004Date of Patent: November 10, 2009Assignee: Kuraray Medical Inc.Inventors: Kazumitsu Nakatsuka, Naoki Nishigaki
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Patent number: 7591890Abstract: A photocurable pigment type inkjet ink composition including 5 to 95 wt % of water; 0.5 to 20 wt % of a pigment; 1 to 70 wt % of a photocurable component; and 0.0001 to 30 wt % of a reactive surfactant. The reactive surfactant can serve as a pigment dispersant for dispersing pigment particles or as an emulsifier for emulsifying the photocurable component.Type: GrantFiled: September 21, 2006Date of Patent: September 22, 2009Assignee: Industrial Technology Research InstituteInventors: Chi-Jung Chang, Shu-chen Tsou, Feng-Mei Wu, Shinn-Jen Chang