Diester Derived From An Ethylenically Unsaturated Monocarboxylic Acid And Polyol Patents (Class 526/323.1)
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Patent number: 10995183Abstract: The present invention relates to a superabsorbent polymer having an improved adsorption rate and a high bulk density, and a preparation method thereof.Type: GrantFiled: November 4, 2016Date of Patent: May 4, 2021Inventors: Kum Hyoung Lee, Gi Cheul Kim, Sung Soo Park, Ye Sol Yang, Bo Hyun Seong
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Patent number: 10619058Abstract: A curable composition is provided that has low viscosity and rapid curing ability in the form of thin film, further has excellent resistance to emulsification and preservation stability, and has high hardness in the form of cured film, thereby achieving excellent alkali developability, which is preferably an active energy beam-curable composition. The curable composition includes a mixture (A) of a compound having two or more (meth)acryloyl groups that is obtained by conducting a transesterification reaction of a polyalcohol and a compound having one (meth)acryloyl group under the presence of catalysts X and Y. Catalyst X is a compound that is at least one of a cyclic tertiary amine having an azabicyclo structure or a salt or complex thereof, an amidine or a salt or complex thereof, and a compound having a pyridine ring or a salt or complex thereof. Catalyst Y is a compound including zinc.Type: GrantFiled: July 1, 2016Date of Patent: April 14, 2020Assignee: TOAGOSEI CO., LTD.Inventors: Kentaro Yachi, Naoki Hashimoto
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Patent number: 9547238Abstract: A method of making a photoresist with rare-earth sensitizers is provided. The rare-earth sensitizer could be a salt or a rare-earth complex. According to the invention, photoresist composition is useful to pattern circuits by visible light.Type: GrantFiled: February 19, 2013Date of Patent: January 17, 2017Inventor: Eugen Pavel
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Patent number: 8961823Abstract: The compound represented by formula (1). For example, the rings A1, A2, A3 and A4 are 1,4-phenylene, Z1 and Z2 are alkylene having 1 to 10 carbons in which at least one —CH2— may be replaced by —O— or —CH?CH—; L1, L2 and L3 are a single bond, —COO— or —CH?CH—; G1 and G2 are —O—; s, t and u are 0 or 1; and P1 and P2 is the group (P-1), the group (P-2) or the group (P-3). M1 and M2 are hydrogen or methyl.Type: GrantFiled: December 20, 2012Date of Patent: February 24, 2015Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Yasuyuki Gotoh, Mayumi Goto
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Patent number: 8936854Abstract: Provided is a method of forming an antifouling coating film including the steps of [1] preparing a colored antifouling paint containing a prescribed Si-containing hydrolyzable resin and a color pigment such that a coating film having a target dry film thickness T completely hides a surface of an object to be coated, the colored antifouling paint has a color difference ?E1 between the coating film having the thickness T and a coating film having a dry film thickness of 0.8 T, at least 2.0, and preferably the colored antifouling paint has a color difference ?E2 between the coating film having the thickness T and a coating film having a dry film thickness of 1.2 T, less than 1, and [2] coating a surface of the object with the colored antifouling paint until the surface of the object is completely hidden by the coating film formed from the colored antifouling paint.Type: GrantFiled: June 14, 2011Date of Patent: January 20, 2015Assignee: Nippon Paint Marine Coatings Co., Ltd.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama
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Patent number: 8912300Abstract: There are provided a radical polymerizable composition having a low viscosity suitable for coating and a cured product and a plastic lens each obtained by curing the composition, the cured product having a high refractive index, good adhesiveness to a plastic film substrate, and good adhesiveness kept even under high-temperature and high-humidity conditions. The radical polymerizable composition includes phenylbenzyl (meth)acrylate (A), an epoxy (meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.Type: GrantFiled: March 12, 2012Date of Patent: December 16, 2014Assignee: DIC CorporationInventors: Nobuo Kobayashi, Akihiro Kondo, Atsuhisa Miyawaki, Naoya Ikushima, Kazuaki Hatsusaka
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Patent number: 8900297Abstract: Disclosed are soft, high refractive index, acrylic device materials. The materials contain a hydrophilic side-chain macromer for glistening resistance.Type: GrantFiled: March 28, 2014Date of Patent: December 2, 2014Assignee: Novartis AGInventor: Douglas C. Schlueter
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Patent number: 8835583Abstract: A composition including an actinic radiation or thermally curable polyorganosiloxane ionomer having one or more reactive groups, for example, vinyl, acrylate, epoxy groups.Type: GrantFiled: December 20, 2012Date of Patent: September 16, 2014Assignee: Momentive Performance Materials Inc.Inventors: Anubhav Saxena, Sandeep Naik, Pranav Ramchandra Joshi, Alok Sarkar, Monjit Phukan
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Patent number: 8822028Abstract: Provided is a removable acrylic pressure sensitive adhesive comprising (A) 70-96.5 weight % of (meth)acrylic acid ester monomer having C1-C14 alkyl group; (B) 0.5-27 weight % of one or more functional group containing monomers selected from the group consisting of carboxyl group containing monomer, hydroxyl group containing monomer, epoxy group containing monomer, vinyl ester group containing monomer and cyano group containing monomer; and (C) 0.6-3 weight % of a cross linking agent having 5-13 alkylene oxide groups and acrylate group or vinyl group in 100 weight % of the monomers and the cross linking agent, and the adhesive of the present invention is a water based adhesive and pro-environmental, and demonstrates excellent adhesiveness at room temperature and under aging atmosphere and excellent dimensional stability as well, so that it can be widely used for various pressure sensitive adhesive sheets for outdoor/indoor advertisement, automobile, printing, decorating, etc.Type: GrantFiled: July 7, 2010Date of Patent: September 2, 2014Assignee: LG Chem, Ltd.Inventors: Kong-ju Song, Young-min Kim, Chang-bum Ko, Kum-hyoung Lee
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Patent number: 8815972Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.Type: GrantFiled: May 21, 2013Date of Patent: August 26, 2014Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Osman Rathore, Zohra Fadli, Mark Lada, James D. Ford, Azaam Alli, Yongcheng Li
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Patent number: 8816033Abstract: An object of the present invention is to provide a radically curable compound which produces cured products with excellent heat resistance, and in order to achieve the object, the present invention provides a radically curable compound represented by general formula (1) below. (In the formula, R1 and R2 are each independently an alkyl group having 1 to 8 carbon atoms, R3 and R4 are each independently a hydrogen atom or a methyl group, m and n are each independently an integer of 1 to 4, and X is an aromatic hydrocarbon group or an aromatic hydrocarbon group substituted by an alkyl group having 1 to 8 carbon atoms.Type: GrantFiled: March 5, 2012Date of Patent: August 26, 2014Assignee: DIC CorporationInventors: Tomoyuki Imada, Takakazu Kage, Norifumi Imaizumi
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Patent number: 8809446Abstract: Substituted 3-oxopentanoates are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methyl group; X is a straight-chain, branched, or cyclic alkyl or alkyl ether group having from 1 to 15 carbon atoms or aromatic group having from 6 to 15 carbon atoms; and Y1 and Y2 are independently hydrogen or an alkyl having 1 to 2 carbon atoms. Also disclosed are emulsion polymers, suspension polymers, and solution polymers that comprise residues from the substituted 3-oxopentanoate monomers, and that may also include one or more additional ethylenically unsaturated monomers. Also disclosed are coating compositions that include a latex emulsion polymer and the substituted 3-oxopentanoate monomer of formula 1 provided as a coalescent.Type: GrantFiled: December 15, 2010Date of Patent: August 19, 2014Assignee: Eastman Chemical CompanyInventors: John Thorton Maddox, Robert Lee Eagan
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Patent number: 8809447Abstract: Acetoacetate-functional monomers are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methylgroup; X is a branched alkyl or a branched cyclic alkyl having from 5 to 8 carbon atoms; and Y1 and Y2 are independently hydrogen or methyl. Also disclosed are emulsion, suspension, and solution polymers comprising residues from the acetoacetate-functional monomer of formula 1 and one or more additional ethylenically unsaturated monomers. Self-curing coating compositions are likewise disclosed that comprise the acetoacetate-functional monomer of formula 1, and optionally one or more additional ethylenically unsaturated monomers. Latex formulations are also disclosed that comprise a polymer having residues from the acetoacetate-functional monomer of formula 1 dispersed in an evaporable aqueous carrier.Type: GrantFiled: December 15, 2010Date of Patent: August 19, 2014Assignee: Eastman Chemical CompanyInventors: John Thorton Maddox, Stacey James Marsh
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Patent number: 8772422Abstract: A polymer composite composition wherein at least one of the constituents is a silicone ionomer and the other constituent is polymer.Type: GrantFiled: December 20, 2012Date of Patent: July 8, 2014Assignee: Momentive Performance Materials Inc.Inventors: Anubhav Saxena, Srividhya Marimuthu, Alok Sarkar, Pranav Ramchandra Joshi
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Patent number: 8722830Abstract: The present invention relates to a branched vinyl polymer carrying dendrons made from monofunctional vinyl monomers and branched by virtue of difunctional vinyl monomers so that there is on average one branch or fewer per polymer chain to avoid gelation. The polymer may be made by chain-growth polymerization of predominantly monofunctional vinyl monomers in the presence of difunctional vinyl monomers and dendron units.Type: GrantFiled: March 13, 2013Date of Patent: May 13, 2014Assignee: The University of LiverpoolInventors: Jonathan Weaver, Steven Rannard, Gwenaelle Bonzi, Andrew Cooper
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Patent number: 8697235Abstract: Disclosed is a barrier laminate excellent in adhesiveness. The barrier laminate comprises a first organic layer, an inorganic layer, a second organic layer adjacent to the inorganic layer, and an adhesive layer adjacent to the second organic layer in that order, wherein the second organic layer is obtained by curing a polymerizable composition comprising a (meth)acrylate compound comprising a hydroxyl group at a terminal of the compound; and the adhesive layer comprises an epoxy series adhesive.Type: GrantFiled: September 13, 2010Date of Patent: April 15, 2014Assignee: FUJIFILM CorporationInventor: Satoshi Aiba
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Patent number: 8648157Abstract: The present invention relates to metal-containing compositions comprising a metal-containing precursor unit (MU), a prepolymer unit (PU), and a catalyst or an initiator capable of inducing a combining reaction of ethylenically unsaturated groups of the metal-containing precursor unit and the prepolymer unit. In another embodiment, the composition comprises MU and a catalyst or initiator capable of inducing a combining reaction of the metal-containing precursor units. Both MU and PU contain additional functional groups, which may be selected to impart compatibility with each other and to produce optically clear films. The metal-containing compositions can be used to produce films or articles having a transmittance of at least 90% and index of refraction in the range of 1.4 to 1.8 in the 400-700 nm range of light and 1.4 to 2.4 in the 150-400 nm range of light.Type: GrantFiled: December 28, 2010Date of Patent: February 11, 2014Assignee: Pryog, LLCInventor: Joseph J. Schwab
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Publication number: 20140008572Abstract: The compound represented by formula (1). For example, the rings A1, A2, A3 and A4 are 1,4-phenylene, Z1 and Z2 are alkylene having 1 to 10 carbons in which at least one —CH2— may be replaced by —O— or —CH?CH—; L1, L2 and L3 are a single bond, —COO— or —CH?CH—; G1 and G2 area single bond or —O—; s, t and u are 0 or 1; and P1 and P2 is the group (P-1), the group (P-2) or the group (P-3). M1 and M2 are hydrogen or methyl.Type: ApplicationFiled: December 20, 2012Publication date: January 9, 2014Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: YASUYUKI GOTOH, MAYUMI GOTO
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Patent number: 8614284Abstract: The present invention relates to a branched vinyl polymer carrying dendrons made from monofunctional vinyl monomers and branched by virtue of difunctional vinyl monomers so that there is on average one branch or fewer per polymer chain to avoid gelation. The polymer may be made by chain-growth polymerization of predominantly monofunctional vinyl monomers in the presence of difunctional vinyl monomers and dendron units.Type: GrantFiled: April 6, 2009Date of Patent: December 24, 2013Assignee: The University of LiverpoolInventors: Gwenaelle Bonzi, Jonathan Weaver, Andrew Cooper, Steven Rannard
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Publication number: 20130338329Abstract: An object of the present invention is to provide a radically curable compound which produces cured products with excellent heat resistance, and in order to achieve the object, the present invention provides a radically curable compound represented by general formula (1) below. (In the formula, R1 and R2 are each independently an alkyl group having 1 to 8 carbon atoms, R3 and R4 are each independently a hydrogen atom or a methyl group, m and n are each independently an integer of 1 to 4, and X is an aromatic hydrocarbon group or an aromatic hydrocarbon group substituted by an alkyl group having 1 to 8 carbon atoms.Type: ApplicationFiled: March 5, 2012Publication date: December 19, 2013Applicant: DIC CORPORATIONInventors: Tomoyuki Imada, Takakazu Kage, Norifumi Imaizumi
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Patent number: 8597795Abstract: Provided are an antifouling coating composition containing a hydrolyzable resin having a specific silicon-containing group and a triorganosilyl oxycarbonyl group, an antifouling film, a composite film and an in-water structure such as a ship using the same. The hydrolyzable resin may further have a specific metal-atom-containing group containing a divalent metal atom. By the antifouling coating composition, it is possible to form a coating film having excellent crack resistance, while exerting an excellent antifouling property for a long period of time even when no or a small amount of antifouling agent is contained.Type: GrantFiled: October 8, 2010Date of Patent: December 3, 2013Assignee: Nippon Paint Marine Coatings Co., Ltd.Inventors: Ryo Ehara, Haruyasu Minami, Soichiro Tomiyama, Masahiro Anjiki
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Publication number: 20130289205Abstract: Disclosed is a resin composition for laser engraving, comprising: (Component A) a macroinitiator having a structure represented by any one of Formulae I to V below obtained by step-growth polymerization; and (Component B) a polymerizable compound.Type: ApplicationFiled: April 24, 2013Publication date: October 31, 2013Applicant: FUJIFILM CorporationInventor: Atsushi SUGASAKI
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Patent number: 8545970Abstract: To provide a retardation film and an optical compensation film which have excellent optical properties and are useful as a compensation film for compensating the contrast and viewing-angle characteristics of liquid-crystal displays and as an antireflection film.Type: GrantFiled: September 5, 2007Date of Patent: October 1, 2013Assignee: Tosoh CorporationInventors: Toru Doi, Shinji Shimosato, Naoto Obara
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Patent number: 8530540Abstract: A curable composition for imprints, comprising at least one polymerizable monomer and a photopolymerization initiator, wherein the content of a polymerizable monomer having a viscosity at 25° C. of 7 mPa·s or more is 80% by mass or more, relative to all the polymerizable monomers contained in the composition. The curable composition for imprints has low volatility of the components even in a thin film coating on a substrate and is thus capable of forming a good pattern.Type: GrantFiled: July 7, 2009Date of Patent: September 10, 2013Assignee: FUJIFILM CorporationInventor: Kunihiko Kodama
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Patent number: 8512604Abstract: An acrylate-based optical coating composition containing a blend of monomers, a metal salt, a Hindered Amine Light Stabilizer (HALS), an antioxidant (AO), an initiator and a photochromic dye. The initiator has a range of free radical energy that is below a predetermined level. The cure process is controlled by the catalyst and initiator in combination with the HALS and AO to avoid deleterious reactions that can increase yellowness. The composition is well suited to be applied to a lens and cured in the mold to form a coating with reduced yellowness having high adhesion and abrasion-resistant properties. A photochromic segmented bifocal lens is produced with low photochromic fatigue and favorable % T values.Type: GrantFiled: June 18, 2009Date of Patent: August 20, 2013Assignees: Essilor International (Compagnie Generale d'Optique), Transitions Optical, Inc.Inventors: Ronald Berzon, Leo Charles Collett
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Patent number: 8513322Abstract: Polymeric beads and methods of making the polymeric beads are described. The polymeric beads are crosslinked hydrogels or dried hydrogels. The polymeric beads are formed from droplets of a precursor composition that are exposed to radiation. The droplets are totally surrounded by a gas phase. The precursor composition contains a polar solvent and a polymerizable material miscible in the polar solvent. The polymerizable material has an average number of ethylenically unsaturated groups per monomer molecule equal to at least 1.2.Type: GrantFiled: June 7, 2007Date of Patent: August 20, 2013Assignee: 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: 8466241Abstract: A method for producing a highly branched polymer, with which a molecular weight can be controlled without using a polymerization inhibitor and a polymer having a controlled molecular weight can be produced safely even in a case of mass production in an industrial scale. A method for producing a highly branched polymer including polymerizing a monomer A having two or more radical polymerizable double bonds in a molecule, in the presence of a polymerization initiator B in an amount of 5% by mol to 200% by mol with respect to 1 mol of the monomer A at a temperature 20° C. higher than a 10-hour half-life temperature of the polymerization initiator B or higher.Type: GrantFiled: April 30, 2010Date of Patent: June 18, 2013Assignee: Nissan Chemical Industries, Ltd.Inventors: Masayuki Haraguchi, Hideki Musashi, Satoru Hatayama, Masaaki Ozawa
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Patent number: 8426106Abstract: A Photoresist composition comprising a polymer comprising a structural unit derived from a compound represented by the formula (I): wherein R1 represents a hydrogen atom or a methyl group, R2 represents a C6-C12 aromatic hydrocarbon group which can have one or more substituents, R3 represents a cyano group or a C1-C12 hydrocarbon group which can have one or more substituents and which can contain one or more heteroatoms, A1 represents a single bond, —(CH2)g—CO—O—* or —(CH2)h—O—CO—(CH2)i—CO—O—* wherein g, h and i each independently represent an integer of ?1 to 6 and * represents a binding position to the nitrogen atom, a resin having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid, and an acid generator.Type: GrantFiled: October 12, 2010Date of Patent: April 23, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuro Masuyama, Kazuhiko Hashimoto, Junji Shigematsu
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Patent number: 8349934Abstract: The present invention is directed to a hardening composition comprising silica fine particles (a), a (meth)acrylate (b) having two or more ethylenically unsaturated groups and being free from cyclic structure, a (meth)acrylate (c) having an ethylenically unsaturated group and having an alicyclic structure, a polymerization initiator (d) and black inorganic fine particles (e), wherein the silica fine particles (a) are surface-treated with a silane compound (f) represented by the following general formula (1) and a silane compound (g) represented by the following general formula (2): (in the formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents an alkyl group having 1 to 3 carbon atoms or a phenyl group, R3 represents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms; q represents an integer of 1 to 6; and r represents an integer of 0 to 2, (in the formula (2), R4 is an alkyl group having 1 to 3 carbon atoms or a phenyl group which may have a substituent; RType: GrantFiled: December 10, 2009Date of Patent: January 8, 2013Assignee: Showa Denko K.K.Inventors: Katsumi Murofushi, Nobuaki Ishii, Shigeru Yamaki, Hideo Miyata, Yotaro Hattori
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Patent number: 8329763Abstract: The invention relates to hydrogels containing water and polyethylene glycol-dimethacrylates in a polymerized form. The polymethacrylate blocks are so short that they form no proper phase. The invention further relates to methods for producing said hydrogels. The inventive hydrogels are provided with reduced haze and are used as materials for contact lenses, electrophoresis gels, membrane materials, and sound-absorbing materials.Type: GrantFiled: September 20, 2004Date of Patent: December 11, 2012Assignee: Evonik Roehm GmbHInventor: Siol Werner
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Patent number: 8247510Abstract: A homopolymer having a monomer unit such as an isopropylidene diallylmalonate unit; a process for producing said homopolymer comprising the step of homopolymerising a monomer such as isopropylidene diallylmalonate; a copolymer containing said monomer unit and an ethylene unit and/or ?-olefin unit; and a process for producing said copolymer comprising the step of copolymerizing a monomer such as isopropylidene diallylmalonate with at least ethylene and/or an ?-olefin.Type: GrantFiled: July 15, 2011Date of Patent: August 21, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Kohtaro Osakada, Daisuke Takeuchi, Sehoon Park, Masayuki Fujita, Wataru Hirahata
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Patent number: 8168735Abstract: The present invention provides a hydrophilic silicone which has a predetermined number of silicon atoms and a high purity and is suitable for producing an ophthalmic device and a process for preparing the same. The silicone compound is represented by formula (1) with a purity of 95% by weight or higher, wherein m is one value out of the integers of from 3 to 10, n is one value out of the integers of from 1 to 10, R1 is one out of alkyl groups having 1 to 4 carbon atoms, and R2 is one out of a hydrogen atom and a methyl group.Type: GrantFiled: May 26, 2009Date of Patent: May 1, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Shoji Ichinohe
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Publication number: 20120100358Abstract: The invention relates to a method for preparing molecular imprint polymers (MIP) by radical polymerisation that uses at least one primer including at least two chemical functions capable of forming reactive radicals, thereby providing a locally high radical concentration for priming the polymerisation on or about the imprint entity or molecule. The invention also relates to molecular imprint polymers (MIP) that can be obtained by the method of the invention, and to the use thereof in the production of biomimetic biosensors, biomimetic biochips, chemical sensors, specific adsorption separation devices, as a coating, particularly for releasing active ingredients.Type: ApplicationFiled: September 1, 2009Publication date: April 26, 2012Applicant: Universite De Technologie De Compiegne - UTCInventors: Karsten Haupt, Arnaud Cutivet, Jeanne Bernadette Tse Sum Bui, Pinar Cakir
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Patent number: 8163357Abstract: A scratch-resistant coating comprising a polymer including a functionalized polysilsesquioxane. The scratch-resistant coating is exposed to oxidizing conditions (e.g., ozone or ultraviolet light) that modify the surface chemistry of the coating to enhance adhesion to inorganic thin film coatings, such as antireflective coatings.Type: GrantFiled: March 26, 2009Date of Patent: April 24, 2012Assignee: Signet Armorlite, Inc.Inventors: Thomas J. Engardio, Geoffrey Yuxin Hu, Dae Ki Kang, Erick S. Rorye
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Patent number: 8163847Abstract: A thermoset composition exhibiting reduced water absorption in the cured state includes an olefinically unsaturated monomer and a capped poly(arylene ether) prepared by the reaction of an uncapped poly(arylene ether) with an anhydride capping agent. The capped poly(arylene ether) is isolated and/or purified by methods that reduce the concentrations of polar impurities that contribute to water absorption by the cured composition.Type: GrantFiled: December 10, 2009Date of Patent: April 24, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Kenneth Paul Zarnoch, John Robert Campbell, Amy Rene Freshour, Hua Guo, John Austin Rude, Prameela Susarla, Michael Alan Vallance, Gary William Yeager
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Publication number: 20120059136Abstract: A method for producing a highly branched polymer, with which a molecular weight can be controlled without using a polymerization inhibitor and a polymer having a controlled molecular weight can be produced safely even in a case of mass production in an industrial scale. A method for producing a highly branched polymer including polymerizing a monomer A having two or more radical polymerizable double bonds in a molecule, in the presence of a polymerization initiator B in an amount of 5% by mol to 200% by mol with respect to 1 mol of the monomer A at a temperature 20° C. higher than a 10-hour half-life temperature of the polymerization initiator B or higher.Type: ApplicationFiled: April 30, 2010Publication date: March 8, 2012Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Masayuki Haraguchi, Hideki Musashi, Satoru Hatayama, Masaaki Ozawa
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Patent number: 8129442Abstract: A hydrophilic polysiloxane macromonomer containing polyoxyethylene as a hydrophilic side chains pendant to a polysiloxane main chain for imparting transparency, oxygen permeability, and hydrophilic properties to a contact lens is disclosed. The properties of the material are controlled by regulating the length of the polysiloxane main chain, the length of the hydrophilic polyoxyethylene side chains, and the number of the side chains.Type: GrantFiled: February 6, 2009Date of Patent: March 6, 2012Assignee: CooperVision International Holding Company, LPInventors: Hiroyuki Ueyama, Seiichiro Ikawa, Junichi Iwata
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Patent number: 8124229Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the monomer solution comprises at least 0.5% by weight of a crosslinker, based on the monomer, the polymerization in the droplet takes place in homogeneous phase, and the polymer beads have a mean diameter of at least 150 ?m.Type: GrantFiled: July 11, 2007Date of Patent: February 28, 2012Assignee: BASF SEInventors: Uwe Stueven, Matthias Weismantel, Wilfried Heide, Marco Krüger, Volker Seidl, Stefan Blei, Dennis Loesch, Rüdiger Funk, Annemarie Hillebrecht
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Patent number: 8110127Abstract: A photochromic coating exhibiting improved performance and photochromic lenses made using the coating. The coating has excellent photochromic darkening and fatigue properties. The coating formulation is made from a monomer blend having at least two different types of monomers. A metal salt catalyst is used along with an initiator. An antioxidant is used in combination with a hindered amine light stabilizer. The coating is suitable for use in an in-mold coating process.Type: GrantFiled: June 18, 2009Date of Patent: February 7, 2012Assignees: Essilor International (Compagnie Generale d'Optique), Transitions Optical, Inc.Inventors: Ronald Berzon, Leo Charles Collett
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Patent number: 8071665Abstract: A single phase aqueous composition suitable for thermal inkjet printing comprises a mixture of curable materials including at least two curable oligomers; and one or more co-solvents for the curable materials.Type: GrantFiled: September 14, 2006Date of Patent: December 6, 2011Assignee: Xennia Technology LimitedInventors: Shaun Christopher Hazlewood, Natasha Jeremic
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Patent number: 8058347Abstract: A composite including interpenetrating networks of an organic polymer, such as from an acrylate or olefin, having urethane groups; and an inorganic polymer, the composite having a low or no-shrinkage characteristic, and a method for making the composite, as defined herein.Type: GrantFiled: February 9, 2010Date of Patent: November 15, 2011Assignee: Corning IncorporatedInventor: Nikita Sergeevich Shelekhov
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Patent number: 8058323Abstract: Disclosed are soft, high refractive index, acrylic materials. These materials, especially useful as intraocular lens materials, contain one or more aryl acrylic hydrophobic monomers as principal device-forming monomers and a tack-reducing macromer additive. In addition to their use as intraocular lens materials, the present materials are also suitable for use in other ophthalmic or otorhinolaryngological devices, such as contact lenses, keratoprostheses, corneal inlays or rings; otological ventilation tubes and nasal implants.Type: GrantFiled: January 23, 2009Date of Patent: November 15, 2011Assignee: Novartis AGInventors: Diana M. Cordova, Mutlu Karakelle, Chance Lehman, Douglas C. Schlueter, Joseph I. Weinschenk, III
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Patent number: 8048154Abstract: Disclosed are soft, high refractive index, acrylic device materials. The materials contain a hydrophilic side-chain macromer for glistening resistance.Type: GrantFiled: October 3, 2008Date of Patent: November 1, 2011Assignee: Novartis AGInventor: Douglas C. Schlueter
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Patent number: 8048968Abstract: The invention provides an actinically-crosslinkable linear polysiloxane copolymer. The actinically-crosslinkable polysiloxane copolymer can be used to prepare a silicone hydrogel contact lens having a hydrophilic surface without post-curing surface treatment. The invention is also related to a silicone hydrogel contact lens obtained from a lens-forming material including an actinically-crosslinkable polysiloxane copolymer of the invention and to a method for making an actinically-crosslinkable polysiloxane copolymer of the invention. In addition, the invention provides a non-crosslinkable linear polysiloxane copolymer capable of being used as a internal wetting agent which can render the surface of a silicone hydrogel contact lens hydrophilic.Type: GrantFiled: November 11, 2009Date of Patent: November 1, 2011Assignee: Novartis AGInventors: John Christopher Phelan, Yongxing Qiu, Robert Scott, Lynn Cook Winterton
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Patent number: 8044159Abstract: A homopolymer having a monomer unit such as an isopropylidene diallylmalonate unit; a process for producing said homopolymer comprising the step of homopolymerising a monomer such as isopropylidene diallylmalonate; a copolymer containing said monomer unit and an ethylene unit and/or ?-olefin unit; and a process for producing said copolymer comprising the step of copolymerizing a monomer such as isopropylidene diallylmalonate with at least ethylene and/or an ?-olefin.Type: GrantFiled: June 28, 2006Date of Patent: October 25, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Kohtaro Osakada, Daisuke Takeuchi, Sehoon Park, Masayuki Fujita, Wataru Hirahata
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Patent number: 8007585Abstract: A syrup composition of the present invention comprises a mixture of monomers (A), each having a molecular mass of 130 to 300 and one (meth)acryloyl group; a resin (C) which is soluble in the monomers (A) and has a glass transition temperature of 20 to 155° C.; a wax (D); and a tertiary amine (E), wherein the monomers (A) contain a heterocyclic ring-containing (meth)acrylate (a1), an oligoethylene glycol monoalkyl ether (meth)acrylate (a2), and a hydroxyalkyl (meth)acrylate (a3) having a hydroxyalkyl group with 2 or 3 carbon atoms. The syrup composition does not substantially contain a polyvalent metal soap.Type: GrantFiled: September 13, 2006Date of Patent: August 30, 2011Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Yujiro Yoshii, Toshikazu Aoki, Mikio Takasu
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Patent number: 7977442Abstract: A polymer includes a repeating unit shown by a general formula (1) in which R1 represents a hydrogen atom or a methyl group, R2 represents a substituted or unsubstituted linear or branched monovalent alkyl group having 1 to 20 carbon atoms, an alicyclic group having 3 to 25 carbon atoms, or an aryl group having 6 to 22 carbon atoms, and X represents a substituted or unsubstituted methylene group or a substituted or unsubstituted linear, branched or alicyclic hydrocarbon group having 2 to 25 carbon atoms. The polymer has a polystyrene-reduced weight average molecular weight determined by gel permeation chromatography (GPC) of 3000 to 100,000.Type: GrantFiled: September 3, 2010Date of Patent: July 12, 2011Assignee: JSR CorporationInventors: Ken Maruyama, Daisuke Shimizu
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Patent number: 7964687Abstract: An oxylamino group-containing compound represented by the following formula: R1—B-A-B—R2, wherein R1 represents a polymerizable group, R2 represents an oxylamino group-containing group or an oxylamino derivative-containing group, B represents an ester linkage or an amide linkage, and A represents an optionally substituted alkylene group having 2 to 12 carbon atoms.Type: GrantFiled: July 7, 2005Date of Patent: June 21, 2011Assignees: Sumitomo Bakelite Company, Ltd., National University Corporation Hokkaido UniversityInventors: Shinichiro Nishimura, Hideyuki Shimaoka
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Patent number: 7947796Abstract: The present invention provides copolymers made up of alkoxyalkyl methacrylate and/or alkoxyalkyl acrylate monomers in combination with one or more additional hydrophobic monomers. The copolymers may be used in the manufacture of intraocular lenses, including both the optic and haptic portions of the lenses. The present invention also provide methods for making intraocular lenses from the copolymers.Type: GrantFiled: May 1, 2006Date of Patent: May 24, 2011Assignee: Benz Research & Development CorporationInventors: Patrick H. Benz, Jose A. Ors
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Patent number: RE46269Abstract: Adhesive composition for bonding and filling large assemblies, including a mixture of about 5 percent to about 75 percent by weight of a thermoplastic polymer, about 0.5 percent to about 35 percent by weight of a polyester resin or vinyl ester resin, and about 20 percent to about 80 percent by weight of an alkyl acrylate or methacrylate monomer.Type: GrantFiled: September 12, 2012Date of Patent: January 10, 2017Assignee: IPS CORPORATIONInventor: Paul C. Briggs