Adjacent (c=o)* Groups Where * Is At Least Two Patents (Class 522/37)
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Patent number: 5804610Abstract: Methods for preparing viscoelastic compositions (e.g., adhesives such as hot melt adhesives) in which a pre-viscoelastic composition (e.g., a pre-adhesive composition) is combined with a packaging material and then polymerized by transmissive energy.Type: GrantFiled: August 28, 1997Date of Patent: September 8, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Craig E. Hamer, John D. Moon, Thomas A. Kotnour
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Patent number: 5747550Abstract: A method of generating reactive species which includes exposing a photoreactor composition to radiation, in which the photoreactor composition comprises a wavelength-specific sensitizer associated with a reactive species-generating photoinitiator. Also described are methods of polymerizing unsaturated monomers and curing an unsaturated oligomer/monomer mixture.Type: GrantFiled: June 5, 1995Date of Patent: May 5, 1998Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Ronald Sinclair Nohr, John Gavin MacDonald
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Patent number: 5623002Abstract: Provided is a soft contact lens obtained by visible ray polymerization of a mixture comprising one or more of unsaturated carboxylic acid(s) and one or more visible ray polymerization initiator(s), or a mixture comprising one or more of unsaturated carboxylic acid(s), one or more of unsaturated carboxylate(s) and one or more of visible ray polymerization initiator(s).Type: GrantFiled: June 6, 1995Date of Patent: April 22, 1997Assignee: Hoya CorporationInventors: Masashi Nomura, Yuuichi Yokoyama
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Patent number: 5614321Abstract: This invention provides a coating composition which utilizes a free radical initiator and an organic tintability additive which remains substantially unpolymerized even after the remainder of the coating composition is cured. Superior tintability and adhesion to polycarbonate makes this coating particularly suitable for making tinted opthalmic lenses.Type: GrantFiled: April 14, 1995Date of Patent: March 25, 1997Assignee: General Electric CompanyInventors: George F. Medford, Gregory R. Gillette, Norio Sato
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Patent number: 5532286Abstract: A photopolymerizable composition comprising a crosslinking agent, a UV sensitive photopolymerization initiator and a thioether compound having a vinyl ester or vinyl amide component; wherein the crosslinking agent and the thioether may be the same compound.Type: GrantFiled: March 16, 1995Date of Patent: July 2, 1996Assignee: Eastman Kodak CompanyInventors: Elizabeth G. Burns, Susan A. Visser, Jeffrey F. Taylor
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Patent number: 5521228Abstract: A method for forming simulated hair strands on the scalp by utilizing a composition containing an ethylenically unsaturated monomer and a photoinitiator. The composition is applied to the scalp, strands are formed and the strands are cured by light.Type: GrantFiled: January 17, 1995Date of Patent: May 28, 1996Inventors: Michael R. Weber, Paul J. Weber
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Patent number: 5516812Abstract: A radiation and moisture curable silicone conformal coating composition comprises a silicone fluid of a monovalent ethylenically unsaturated functional group endcapped silicone and at least one (meth)acryl-functionalized silicone; and a photoinitiator effective for radiation curing of the silicone composition. The encapped silicone is the product of a reaction between a silanol terminated silicone and a silane cross linker having joined directly to a silicon atom thereof a monovalent ethylenically unsaturated functional group and at least 2 hydrolyzable groups.Type: GrantFiled: August 1, 1994Date of Patent: May 14, 1996Assignee: Loctite CorporationInventors: Hsien K. Chu, Robert P. Cross, Lester D. Bennington
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Patent number: 5461086Abstract: A photocurable resin composition for glass lamination, consisting essentially of a radical polymerizable monomer having at least two repeating units of ethylene oxide in its molecule and a photopolymerization initiator, a cured product of which has a volume resistivity of less than 5.times.10.sup.9 .OMEGA..cm.Type: GrantFiled: September 6, 1994Date of Patent: October 24, 1995Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Toshiyuki Kato, Syunzi Ito, Tsunehiko Shimizui
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Patent number: 5412002Abstract: An epoxy resin composition contains an epoxy resin represented by the formula (I) and a curing accelerator: ##STR1## wherein R.sup.1 stands for ##STR2## where G stands for a glycidyl group, R.sup.2 stands for an alkyl group having 1 to 4 carbon atoms, R.sup.3 and R.sup.4 stand for the same or different groups and each denote a hydrogen atom or a glycidyl group, m and x each denote an integer of 0 to 10, n denotes an integer of 0 to 2, provided that m.gtoreq.x and, if m=0, then x=0, in which case at least one of R.sup.3 and R.sup.4 denotes a glycidyl group on the condition that when m.gtoreq.1 and m>x, R.sup.1 may each stand for different groups.Type: GrantFiled: December 9, 1992Date of Patent: May 2, 1995Assignee: Nippon Oil Co., Ltd.Inventors: Masami Enomoto, Susumu Kubota, Hitoshi Yuasa, Fumiaki Oshimi, Yutaka Otsuki
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Patent number: 5360834Abstract: A process is described for photoinitiated control of inorganic network fotion in the sol-gel process, which comprises eitherA) subjecting one or more hydrolytically polycondensable compounds of constituent elements of glass or ceramic, excluding silicon compounds containing polymerizable organic groups, to hydrolytic polycondensation in a liquid reaction medium to form a sol andirradiating the resulting sol in a structured or unstructured manner in the presence of a photoinitiator which can change the pH of the reaction medium on irradiation, using radiation of a wavelength range in which the photoinitiator absorbs;orB) liberating water in an anhydrous reaction medium which contains an alcohol, one or more hydrolytically polycondensable compounds of constituent elements of glass or ceramic and a photoinitiator which can liberate water by a photochemical reaction or a secondary reaction when irradiated, by structured or non-structured irradiation using radiation of a wavelength range in which the photoinitiatoType: GrantFiled: January 31, 1994Date of Patent: November 1, 1994Assignee: Fraunhofer-Gesellschaft Zur Forderung der Angewandten Forschung e.V.Inventors: Michael Popall, Jochen Schulz, Helmut Schmidt
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Patent number: 5348986Abstract: Photocurable silicone compositions based on capping of a silicone with a silyl diacrylate capper of the formula ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, and R .sub.10 are independently selected from hydrogen, halo, and organo radicals; and n is an integer having a value of from 1 to 4.In specific embodiments, the compositions include a polymodal-cure resin composition comprising an acryloxy-functional capped silicone, and a photocurable silicone gel composition and precursor thereof.Type: GrantFiled: January 25, 1993Date of Patent: September 20, 1994Assignee: Loctite CorporationInventors: Hsien-Kun Chu, Robert P. Cross, David I. Crossan, Edward K. Welch, II
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Patent number: 5300536Abstract: The present invention relates to a catalytic composition for photopolymerization, which comprises an alpha-diketone and a hydrazone or a silane compound which has a silicon atom carrying a hydrogen, and also relates to a photopolymerizable composition which comprises a vinyl compound capable of radical polymerization and the above catalytic composition. The catalytic composition is markedly improved in photopolymerization activity and the photopolymerizable composition uniformly cures.Type: GrantFiled: September 28, 1992Date of Patent: April 5, 1994Assignee: Toagosei Chemical Industry Co., Ltd.Inventors: Shin Takahashi, Yoshiaki Fujimoto
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Composition of ultraviolet curing antifogging agent and process for forming antifogging coating film
Patent number: 5244935Abstract: An ultraviolet curing antifogging agent is disclosed. The composition includes block copolymer (a) having a hydrophilic polymer segment (a1) and a hydrophobic polymer segment (a2). A polar solvent (c) is provided in which the hydrophilic polymer segment (a1) can easily be dissolved while the hydrophobic polymer segment (a2) can not. It further includes a photopolymerizable compound (b), and a photopolymerization initiator (d). The block copolymer (a) contains at least one hydrophilic monomer selected from the group of: a (meth) acrylamide compound represented by the general formula: CH.sub.2 .dbd.CR.sub.1 CONR.sub.2 R.sub.3 ; a cyclic (meth)acrylamide compound represented by the general formula ##STR1## and a hydroxyalkyl (meth)acrylate. Further, the hydrophilic polymer segment (a1) is formed by a radically polymerizable monomer having a functional group such as glycidyl group.Type: GrantFiled: July 31, 1992Date of Patent: September 14, 1993Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Yoshihiro Oshibe, Yasuhiro Yamamoto, Hiroshi Ohmura, Keiji Kumazawa -
Patent number: 5242719Abstract: A method of making a UV curable hardcoat composition uses a strip-free process and produces hardcoats having good scribed tape-pull adhesion, high resistance to scratching and a low delta taber haze after abrading for 500 cycles with a 500 gram weight. UV curable hardcoat compositions are also provided which contain high solids contents and high mole percentages of photoinitiator. Compositions containing methoxypropanol as a water miscible alcohol and methylbenzoylformate as a photoinitiator exhibit high taber hardness and can be made by processes which obviate the need for a time and energy consuming solvent-strip step. The processes are not only shorter, but safer than processes which include a solvent-strip step.Type: GrantFiled: April 6, 1992Date of Patent: September 7, 1993Assignee: General Electric CompanyInventors: George F. Medford, Gregory R. Gillette
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Patent number: 5236967Abstract: An optical molding composition is used for casting and does not cause irritation to the skin or possess a bad smell. This composition comprises1. an actinic radiation-curable, radical-polymerizable organic compound comprising(1) one or more polythiol compounds and(2) one or more polyene compounds each having at least two actinic radiation-reactive carbon-to-carbon double bonds in the molecule, and2. an actinic radiation-sensitive radical polymerization initiator.Type: GrantFiled: February 18, 1992Date of Patent: August 17, 1993Assignee: Asahi Denka Kogyo K.K.Inventors: Kazuo Ohkawa, Seiichi Saito
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Patent number: 5212211Abstract: An acryloxy-functional capped silicone formed as a reaction product of:(i) a silyl diacrylate compound of the formula ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are independently selected from hydrogen, halo, and organo radicals; and n is an integer having a value of from 1 to 4; and(ii) a silicone having (A) functionality which is reactive with an acryloxy functionality of the silyl diacrylate compound, and (B) additional functionality imparting (directly or by reaction with a co-reactant) further curability to the silicone by another modality (e.g., moisture curability, heat curability, etc.)The capped polyfunctional silicone may suitably be formulated with (a) an effective amount of a photoinitiator for partial curing of the acryloxy-functional capped silicone under photoinitiating curing conditions, and (b) suitable curatives, initiators, accelerators, etc.Type: GrantFiled: November 19, 1990Date of Patent: May 18, 1993Assignee: Loctite CorporationInventors: Edward K. Welch, II, Robert P. Cross, David I. Crossan, Hsien-Kun Chu
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Patent number: 5207577Abstract: A dental adhesive comprising a (meth)acryloylaminoalkyl carboxylate of the formula ##STR1## in which R.sup.1 represents hydrogen or methyl;R.sup.2 represents methylene or ethylene; andR.sup.3 represents hydrogen, methyl, or ethyl;and at least one of an initiator, a non-toxic solvent, and a filler. The dental adhesive is useful to effect a strong adhesive bonding of dental materials to collagen-containing materials.Type: GrantFiled: January 25, 1991Date of Patent: May 4, 1993Assignee: Bayer AktiengesellschaftInventors: Michael Muller, Wolfgang Podszun
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Patent number: 5182315Abstract: A silicone composition comprising:(a) a first silane of the formula: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are independently selected from hydrogen, halo, and organo radicals; andn is an integer having a value of from 1 to 4;(b) a second silane of the formula: ##STR2## wherein: R.sub.11 and R.sub.16 are non-polymerizable groups and are independently selected from halo and organo radicals;R.sub.12, R.sub.13, R.sub.14, and R.sub.Type: GrantFiled: November 19, 1990Date of Patent: January 26, 1993Assignee: Loctite CorporationInventors: Hsien-Kun Chu, Robert P. Cross, David I. Crossan
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Patent number: 5179134Abstract: An acryloxy-functional capped silicone formed as a reaction product of:(i) a silyl diacrylate compound of the formula: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are independently selected from hydrogen, halo, and organo radicals; andn is an integer having a value of from 1 to 4; and(ii) a silicone having at least one functionality which is reactive with an acryloxy functionality of the silyl diacrylate compound to yield the acryloxy-functional capped silicone.The capped silicone may suitably be formulated with an effective amount of a photoinitiator for curing of the acryloxy-functional capped silicone under photoinitiating curing conditions. The silicone functionality which is reactive with the acryloxy functionality of the silyl diacrylate compound may be --OH, or other labile hydrogen-containing substituent. Preferably, the silicone is a hydroxy-terminated linear polydiorganosiloxane.Type: GrantFiled: November 19, 1990Date of Patent: January 12, 1993Assignee: Loctite CorporationInventors: Hsien-Kun Chu, Robert P. Cross, David I. Crossan
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Patent number: 5166186Abstract: A resin composition, particularly for an ink printing composition, comprising a polyurethane (meth-) acrylate resin, N-vinylpyrrolidone, and acryloylmorphline, with a photoinitiator when used as an ultraviolet raycurable ink printing composition, and without a photoinitiator when used as an electron beam-curable ink printing composition.Type: GrantFiled: July 28, 1989Date of Patent: November 24, 1992Assignees: Nippondenso Co., Ltd., Nippon Kayaku Kabushiki Kaisha, Jujo Chemical Co., Ltd.Inventors: Hisano Kojime, Yoshinori Asano, Yoshiharu Ohi, Shigeo Date
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Patent number: 5145884Abstract: An ultraviolet-hardenable adhesive for bonding a non-water swellable, ophthalmic-lens to a support member, in producing a non-water swellable ophthalmic lens, the adhesive containing at least one photopolymerizing monomer, and at least one photoinitiator, the at least one photopolymerizing monomer being selected from the group consisting of acrylates or methacrylates represented by following general formulas (I) and (II): ##STR1## wherein R.sub.1 is hydrogen or methyl,R.sub.2 is hydrogen or methyl,R.sub.3 is hydrogen or methyl,m is a positive integer from 2 to 20, andn is a positive integer from 1 to 5.A method of bonding a lens blank to a support member with an adhesive, and a processing of manufacturing a lens using an adhesive, are also disclosed.Type: GrantFiled: August 16, 1990Date of Patent: September 8, 1992Assignee: Menicon Co., Ltd.Inventors: Yasuyoshi Yamamoto, Yuzo Kaga, Toshiharu Yoshikawa, Akira Moribe
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Patent number: 5087550Abstract: Radiation-reactive mixtures suitable for producing insulating layers and printed circuits are composed of certain precursors for preparing polyimides, polyisoindoloquinazolinediones, polyoxiazinediones, polyquinazolinediones or polyquinazolones and aryl-containing carbonyl compounds which when excited by UV radiation are capable of hydrogen abstraction, these mixtures undergoing solubility differentiation on irradiation with actinic light.Type: GrantFiled: September 26, 1989Date of Patent: February 11, 1992Assignee: BASF AktiengesellschaftInventors: Rainer Blum, Gerd Rehmer, Hans Schupp
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Patent number: 5013631Abstract: A two package UV curable conformal coating has been developed which possesses low moisture permeability and good electrical properties and provides a cure for shadowing of components on a printed wiring board. The conformal coating is a mixture of Component (A) which is a mixture of (1) from about 40 to 80% by weight, of a urethane having a free isocyanate group; (2) from about 20 to 60%, by weight, of reactive acrylate diluents; (3) from 0 to about 10% by weight of UV photoinitiators; and (4) from 0 to about 10% by weight of additives; and component (B) which is a mixture of (1) about 50 to 80% by weight of an acrylate-epoxy resin; (2) about 1 to 10% by weight of an acrylate-urethane oligomer; (3) about 10 to 94% by weight of reactive acrylate monomers; (4) from 0 to about 10%, by weight, of UV photoinitiators; and (5) from 0 to about 10% by weight of additives; with the proviso that the total weight percentage of said photoinitiators and additives not be less than 1 percent and not exceed about 10 percent.Type: GrantFiled: March 3, 1989Date of Patent: May 7, 1991Assignee: Westinghouse Electric Corp.Inventor: Wei-Fang A. Su
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Patent number: 5002975Abstract: Liquid, photocurable coating compositions containing nitrile copolymers. Such compositions comprises from about 10 percent to about 60 percent by weight of a high nitrile copolymer, containing at least about 70 percent by weight of a nitrile polymer; from about 30 percent to 90 percent by weight of a photopolymerizable solvent for the high nitrile copolymer, wherein the photopolymerizable solvent is selected from the group consisting of N-vinyl pyrrolidone, cyanoethylacrylate, styrene, N,N-dimethylacylamide, N,N-methylenebisacrylamide, gamma-butyrolactone and combinations thereof, and from about 0.1 percent to about 10 percent by weight of a photoinitiator soluble in the photopolymerizable solvent for curing the high nitrile copolymer with the incorporation of at least 50 percent by weight of the solvent therein upon exposure to ultraviolet radiation, having a wavelength of from about 2000 .ANG. to 14,000 .ANG.Type: GrantFiled: December 23, 1988Date of Patent: March 26, 1991Assignee: The Standard Oil CompanyInventors: Rosemary Bartoszek-Loza, Richard J. Butler
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Patent number: 4996134Abstract: A conjugated diene copolymer comprising (A) 10 to 60 mole % of a conjugated diene compound unit, (B) 5 to 50 mole % of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid unit, (C) 0.1 to 20 mole % of a polyfunctional alkenyl compound unit, (D) 0 to 10 mole % of a diene compound unit having cyclic carbon-carbon double bonds and (E) 0 to 80 mole % of a monoolefinically unsaturated compound unit, the sum of the amounts of units (A), (B), (C), (D) and (E) being 100 mole %, said copolymer having an intrinsic viscosity [.eta.] of 0.01 to 3.0 dl/g as measured at 30.degree. C. in dimethylformamide. The copolymer is soluble in aqueous alkali solutions, excels in processability and photosetting property, and has excellent rubber elasticity and transparency even after photosetting.Type: GrantFiled: March 26, 1985Date of Patent: February 26, 1991Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Hiroji Enyo, Shin-ichiro Iwanaga, Yasuhiko Takemura
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Patent number: 4927738Abstract: A conjugated diene copolymer comprising (A) 40 to 90 mole % of a conjugated diene component, (B) 0.5 to 10 mole % of an alpha,beta-ethylenically unsaturated carboxylic acid component, (C) 0.1 to 5 mole % of a polyfunctional alkenyl compound component and (D) 5 to 58 mole % of a monoolefinically unsaturated compound component wherein the intrinsic viscosity [.eta.] of the copolymer as measured at 30.degree. C. in dimethylformamide is 0.01 to 3.0 dl/g, the width (.DELTA.Tg) of the endothermic transition temperature section determined by a differential scanning calorimetry is 45.degree. to 120.degree. C. and the limit temperature (T.sub.1) on the lower temperature side of the endothermic transition temperature section is -40.degree. C. or less.Type: GrantFiled: November 24, 1987Date of Patent: May 22, 1990Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Shin-ichiro Iwanaga, Tatsuaki Matsunaga, Ituo Nishiwaki, Hiroji Enyo
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Patent number: 4794130Abstract: A shaped article of halogenated polymer which is obtained by causing a halogen to react upon a shaped article of a polymer by irradiation of light is irradiated with light in the presence of an acetylene compound to have the acetylene compound graft polymerized onto the shaped article of polymer.Type: GrantFiled: March 30, 1987Date of Patent: December 27, 1988Assignees: Agency of Industrial Science and Technology, Ministry of International Trade and IndustryInventors: Kiyoshi Hayakawa, Hiromi Yamakita, Masato Tazawa, Hiroshi Taoda
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Patent number: 4777213Abstract: Promoters for a crosslinking reaction involved in the curing of a system comprising crosslinkable polymers are bound to polymeric microparticles having a diameter of about 0.01 to 6 microns prepared by polymerizing a mixture of ethylenically unsaturated monomers. The microparticles carrying the crosslinking reaction promoter may be incorporated to coating compositions, printing inks, sealants, adhesives and other polymeric products in place of conventional crosslinking reaction promoters.Type: GrantFiled: March 2, 1987Date of Patent: October 11, 1988Assignee: Nippon Paint Co., Ltd.Inventors: Kazunori Kanda, Shinichi Ishikura, Keizou Ishii, Akio Kashihara
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Patent number: 4767797Abstract: A linear polymer having a recurring unit represented by the formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.6-10 cycloalkyl group, an aryl group, or a halogen atom and the ethynyl group is in either meta position or para position to the main polymer chain;and a weight-average molecular weight of 1,000 to 1,000,000. A resin composition consisting essentially of (i) a polymer having a recurring unit represented by the formula (I) or a polymer having a recurring unit represented by the formula (I) and a recurring unit represented by the formula (II): ##STR2## wherein X and Y each independently is a C.sub.6-20 aryl group, a C.sub.1-10 alkyl group, a C.sub.6-10 cycloalkyl group, a silyl group having a C.sub.1-10 alkyl group or a C.sub.Type: GrantFiled: August 25, 1986Date of Patent: August 30, 1988Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Hideo Ai, Yohsuke Koizumi, Naohiro Tsuruta
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Patent number: 4624971Abstract: A process is disclosed for producing an abrasion resistant UV curable photopolymerizable composition for coating substrates. The process involves dense grafting and comprises hydrolyzing in an aqueous acidic solution a trialkoxysilane to render it organophillic followed by dispersion with fine silica or alumina. Grafting of the hydrolyzed trialkoxysilane to the silica or alumina is effected through dehydration. The grafted material is then dispersed into intimate contact with one or more photopolymerizable monomers and photoinitiators.Type: GrantFiled: March 1, 1985Date of Patent: November 25, 1986Assignee: Battelle Development CorporationInventors: Nguyen van Tao, Gunter Bellmann
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Patent number: 4609686Abstract: 100 percent solids epoxy, nitrile coating compositions comprising:(a) epoxy resins, and(b) epoxy-nitrile monomers which are useful for protective coatings.The invention further includes a process for producing the 100 percent solids epoxy nitrile coating compositions comprising:(1) forming a mixture of the epoxy resins with the epoxy nitrile monomers and curing agents,(2) applying the mixture to a substrate to form a coating, and(3) curing the coating so that in situ copolymerization of the epoxy resin and epoxy-nitrile monomer results in a multifunctional epoxy nitrile coating system.Type: GrantFiled: April 19, 1985Date of Patent: September 2, 1986Assignee: The Standard Oil CompanyInventors: Paul Giordano, Jr., Richard C. Smierciak
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Patent number: 4576975Abstract: Michler's ketone analogs and salts thereof, which are photosensitizers in water-soluble photoinitiator systems used to induce polymerization in free-radically-curable, ethylenically-unsaturated materials, are disclosed. The Michler's ketone analogs have the formula: ##STR1## wherein each R is an alkyl group of 1 to 8 carbon atoms,R.sup.1 is an alkylene group having 1 to 8 carbon atoms,Z is R.sup.1 COOH or R.sup.1 H, andn is an integer having a value of 1 or 2.The photoinitiator systems are useful in imaging systems, and additionally contain a free radical initiator compound selected from iodonium salts, biimidazoles, trialkylphosphites, alkyl peroxides, benzyl halides, alkyl nitrates, and the benzophenones other than (a).Type: GrantFiled: December 18, 1984Date of Patent: March 18, 1986Assignee: Minnesota Mining and Manufacturing CompanyInventor: Laurence W. Reilly, Jr.