Containing Ethylenic Unsaturation Patents (Class 522/34)
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Patent number: 11209733Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substitutedType: GrantFiled: September 9, 2019Date of Patent: December 28, 2021Inventors: Yuichi Nishimae, Hisatoshi Kura, Kazuhiko Kunimoto, Ryuhei Yamagami, Keita Tanaka
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Patent number: 10488756Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C1-CType: GrantFiled: April 5, 2017Date of Patent: November 26, 2019Assignee: BASF SEInventors: Yuichi Nishimae, Hisatoshi Kura, Kazuhiko Kunimoto, Ryuhei Yamagami, Keita Tanaka
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Patent number: 10106629Abstract: The present invention relates to a series of novel multifunctional mono- and bis-acylphosphine oxides, which are useful as photoinitiators, and to photocurable compositions comprising said photoinitiators.Type: GrantFiled: May 28, 2015Date of Patent: October 23, 2018Assignee: IGM RESINS ITALIA S.R.L.Inventors: Gabriele Norcini, Marika Morone, Andrea Bernini Freddi, Giuseppe Li Bassi, Giovanni Floridi
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Patent number: 9982072Abstract: A process for the preparation of optionally asymmetric acetal compounds includes reacting a compound containing a hydroxyl group with a vinylether compound in the presence of a zwitterionic catalyst including at least one basic nitrogen containing structural fragment and at least one sulfonic acid group in its structure, with the proviso that a molar ratio of the basic nitrogen to sulfonic acid is 1:1.Type: GrantFiled: October 22, 2014Date of Patent: May 29, 2018Assignee: AGFA NVInventor: Johan Loccufier
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Patent number: 9957402Abstract: A compound obtained through Michael addition reaction of an ?-aminoacetophenone skeleton-containing compound (I) represented by the following general formula (1) and a reactive compound (II) having a function as a Michael acceptor is used as a photopolymerization initiator. In the general formula (1), R1 represents an aliphatic group, R2 to R3 each independently represent an aliphatic group, etc., R4 to R7 each independently represent a hydrogen atom, X1 represents a single bond or a C1-6 alkylene group, X2 represents a carbonyl group, Y1 and Y2 represent a group represented by the following general formula (2). However, when Y1 and Y2 both have a structure represented by the general formula (2), X5 in at least one of them is —NH—. In the general formula (2), X3 and X4 each independently represent a linear or branched alkylene group having 2 to 6 carbon atoms, X5 represents a single bond, —O— or —NH—.Type: GrantFiled: May 12, 2015Date of Patent: May 1, 2018Assignee: DIC CORPORATIONInventors: Masanori Miyamoto, Youichi Tanimoto, Sei Yamamoto, Azusa Yogo, Akihiro Kondou, Tomokazu Yamada
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Patent number: 9718971Abstract: A radiation curable liquid includes at least one free radical polymerizable monomer or oligomer, at least one diffusion hindered acetalyzation catalyst, and at least one diffusion hindered hydroxyl containing compound. The radiation curable liquid applied to a substrate prevents migration of very low viscous monomers, such as vinyl ether acrylate monomers, into the substrate.Type: GrantFiled: November 30, 2012Date of Patent: August 1, 2017Assignee: AGFA GRAPHICS NVInventors: Johan Loccufier, Roel De Mondt
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Patent number: 9387610Abstract: A hard coating forming method is disclosed that can form a hard coating on surfaces of various manufactured goods including resin products and wood products. The method includes transcribing a coating layer of a sheet having a substrate and the coating layer formed on the substrate, the coating layer containing a thermoset product of a resin composition comprising a resin having an epoxy group and a (meth)acryloyl group and a thiol based curing agent; delaminating the substrate from the sheet; and irradiating light to the coating layer to cure the coating layer.Type: GrantFiled: February 9, 2011Date of Patent: July 12, 2016Assignee: LG Hausys, Ltd.Inventors: Yun Bong Kim, Won Kook Kim, Yang Go Kang, Jin Woo Kim, Dong Joo Kwon, Mu Seon Ryu
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Patent number: 8940811Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.Type: GrantFiled: April 25, 2013Date of Patent: January 27, 2015Assignee: Agfa Graphics NVInventors: Roland Claes, Johan Loccufier
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Patent number: 8933141Abstract: An ink composition which is used for active energy ray-curable inkjet printing, has excellent curability or adhesiveness to multiple base materials while having low viscosity, and exhibits excellent non-yellowing properties of the printed matter is provided. The composition comprises a polymerizable monomer (A) and photopolymerization initiators (B), the polymerizable monomer comprising 2-(2-vinyloxyethoxy)ethyl acrylate (A-1), and the photopolymerization initiators comprising oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) (B-1) and other initiator (B-2).Type: GrantFiled: March 29, 2012Date of Patent: January 13, 2015Assignees: Toyo Ink SC Holdings Co., Ltd., Toyo Ink Co., Ltd.Inventors: Norio Suzuki, Kazuhiro Jonai, Mayuko Okamoto, Yuji Kameyama, Yohei Konda
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Patent number: 8883873Abstract: A polymerizable polymeric photoinitiator according to Formula (I): wherein: PL represents an n+m+p-functional polymeric core; n and m independently represent an integer from 1 to 30; p represents an integer from 0 to 10; o is 0 or 1; INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an ?-hydroxyalkylphenone, an ?-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an ?-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an ?-haloarylketone and an ?-haloaryl sulfone; L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester,Type: GrantFiled: January 22, 2010Date of Patent: November 11, 2014Assignee: Agfa Graphics NVInventors: Johan Loccufier, Luc Vanmaele, Hedwige Docx, Nadine Willems
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Patent number: 8877954Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.Type: GrantFiled: June 28, 2013Date of Patent: November 4, 2014Assignee: BASF SEInventors: Thomas Giesenberg, Andreas Muhlebach, Tunja Jung, Francois Rime, Laurent Michau, Martin Muller, Didier Bauer
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Publication number: 20140220367Abstract: An energy curable bonding resin composition that prevents corrosion in metallic optical structures including DVDs includes at least one monomer, acrylated epoxidized soya bean oil, and a photoinitiator of among 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO); Phosphine oxide, phenylbis 2,4,6-trimethyl benzoyl; oligo[2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone]; alpha-hydroxy ketone, difunctional; or combinations thereof.Type: ApplicationFiled: August 17, 2012Publication date: August 7, 2014Applicant: SUN CHEMICAL CORPORATIONInventor: Robert Neddersen
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Publication number: 20130324633Abstract: The invention provides 2,2-dimethoxy-1,2-di-[4-(meth)acryloyloxy]phenylethane-1-one represented by the following formula (A): (wherein R1 and R2, which may be identical to or different from each other, each represent a hydrogen atom or a methyl group).Type: ApplicationFiled: January 30, 2012Publication date: December 5, 2013Applicant: TOYO GOSEI CO., LTDInventors: Satoshi Enomoto, Yuki Hara
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Publication number: 20130296453Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.Type: ApplicationFiled: June 28, 2013Publication date: November 7, 2013Inventors: Thomas GIESENBERG, Andreas MUHLEBACH, Tunja JUNG, Francois RIME, Laurent MICHAU, Martin MULLER, Didier BAUER
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Patent number: 8563624Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.Type: GrantFiled: October 16, 2008Date of Patent: October 22, 2013Assignee: Agfa Graphics NVInventors: Roland Claes, Johan Loccufier
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Publication number: 20130269558Abstract: The present invention relates to a curable jettable fluid for making a flexographic printing master comprising an initiator, a cyclic monofunctional (meth)acrylate monomer and a difunctional (meth)acrylate monomer characterized in that the initiator is an oligomer, a polymer or a copolymerizable compound.Type: ApplicationFiled: December 19, 2011Publication date: October 17, 2013Applicant: AGFA GRAPHICS NVInventors: Luc Vanmaele, Eddie Daems
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Patent number: 8507572Abstract: The present invention relates to functionalizing a surface of an organic material. For example, surfaces of materials having C—H bonds, such as polymers having C—H bonds, can be functionalized. In certain embodiments, a heterobifunctional molecule having a photoactive anchor, a spacer, and a terminal functional group is applied to the surface of an organic material that contains one or more C—H bonds. The heterobifunctional molecule can be bound to any surface having C—H bonds as the photoactive anchor can react with C—H bonds upon irradiation. The terminal functional group has a “click” functionality which can be utilized to functionalize the surface of the organic material with any desired functionalizing moiety having the orthogonal click functionality.Type: GrantFiled: June 8, 2010Date of Patent: August 13, 2013Assignee: The Trustees of Columbia University in the City of New YorkInventors: Jeffrey Lancaster, Nicholas J. Turro, Jeffrey T. Koberstein
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Patent number: 8492452Abstract: A polymerizable photoinitiator is represented by Formula (I): wherein R1, R2 and R3 are independently selected from the group consisting of a hydrogen, an optionally substituted alkyl group and an optionally substituted aryl group or R1 and R3 represent the necessary atoms to form a five to eight membered ring; p, w, y and z are all integers with y representing a value 1 to 6; p representing the sum of w and z; p representing a value of 1 to 6; w=1 to (p?z) and z=0 to (p?w); L represents an optionally substituted (p+y)-valent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, an allyl ester group and a vinyl ester group; and X represents a photoinitiating moiety including at least one group capable of initiating a free radical pType: GrantFiled: December 1, 2009Date of Patent: July 23, 2013Assignee: Agfa Graphics NVInventors: Johan Loccufier, Luc Van Maele, Jaymes Van Luppen, Roland Claes
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Publication number: 20120315474Abstract: Described is a radiation-crosslinkable hotmelt adhesive comprising at least one radiation-crosslinkable poly(meth)acrylate formed to an extent of at least 60% by weight of C1 to C10 alkyl (meth)acrylates and at least one oligo(meth)acrylate which comprises nonacrylic C—C double bonds and has a K value of less than or equal to 20. The hotmelt adhesive comprises a photoinitiator which may be present in the form of an additive not attached to the poly(meth)acrylate and/or not attached to the oligo(meth)acrylate, may be incorporated by copolymerization into the poly(meth)acrylate, and/or may be attached to the oligo(meth)acrylate. The hotmelt adhesive can be used for producing adhesive tapes.Type: ApplicationFiled: June 4, 2012Publication date: December 13, 2012Applicant: BASF SEInventors: Ulrike LICHT, Dirk Wulff, Thomas Christ, Ulrich Filges
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Patent number: 8323750Abstract: The present invention relates to a UV irradiation assisted method of surface modification, which comprises: introducing a functional group L onto the surface of a polymer material P through the photochemical reaction of a photosensitive group X under UV irradiation, wherein the photosensitive group X comprises at least one xanthone unit.Type: GrantFiled: August 20, 2008Date of Patent: December 4, 2012Assignees: Beijing Wanhexinyuan BioTechnology Co., Ltd., Beijing University of Chemical TechnologyInventors: Wantai Yang, Zhenhua Huang, Yanhe Tong, Lei Shao
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Publication number: 20120245245Abstract: A photoperoxidation process including irradiating a donor molecule with light from a light source to form an activated donor molecule, contacting the activated donor molecule with an acceptor molecule to form an activated acceptor molecule, and contacting the activated acceptor molecule with a diene elastomer in a vessel to form a singlet oxygen functionalized elastomer molecule.Type: ApplicationFiled: March 25, 2011Publication date: September 27, 2012Applicant: Fina Technology, Inc.Inventors: Olga Khabashesku, Billy Ellis
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Publication number: 20120046376Abstract: A polymerizable polymeric photoinitiator according to Formula (I): wherein: PL represents an n+m+p-functional polymeric core; n and m independently represent an integer from 1 to 30; p represents an integer from 0 to 10; o is 0 or 1; INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an ?-hydroxyalkylphenone, an ?-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an ?-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an ?-haloarylketone and an ?-haloaryl sulfone; L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl esterType: ApplicationFiled: January 22, 2010Publication date: February 23, 2012Applicant: AGFA GRAPHICS NVInventors: Johan Loccufier, Luc Vanmaele, Hedwige Docx, Nadine Willems
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Patent number: 8110610Abstract: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, characterized in that said co-initiator is a oligomer or polymer having a repeating unit, said repeating unit comprising at least two tertiary amines, and said polymer being prepared by the polycondensation of di- or oligofunctional Michael acceptors with mono- or oligofunctional aliphatic primary amines or with di- or oligofunctional aliphatic secondary amines or with a mixture thereof.Type: GrantFiled: December 17, 2007Date of Patent: February 7, 2012Assignee: Agfa Graphics N.V.Inventors: Johan Loccufier, Roland Claes
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Patent number: 8088836Abstract: An oxime ester compound represented by the following general formula (I): (the symbols of which are defined in the specification) is used as the photopolymerization initiator in a photosensitive resin composition.Type: GrantFiled: February 16, 2010Date of Patent: January 3, 2012Assignee: Nippon Chemical Works Co., Ltd.Inventor: Yuji Taguchi
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Publication number: 20110224324Abstract: A polymerizable photoinitiator is represented by Formula (I): wherein R1, R2 and R3 are independently selected from the group consisting of a hydrogen, an optionally substituted alkyl group and an optionally substituted aryl group or R1 and R3 represent the necessary atoms to form a five to eight membered ring; p, w, y and z are all integers with y representing a value 1 to 6; p representing the sum of w and z; p representing a value of 1 to 6; w=1 to (p?z) and z=0 to (p?w); L represents an optionally substituted (p+y)-valent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, an allyl ester group and a vinyl ester group; and X represents a photoinitiating moiety including at least one group capable of initiating a free radical pType: ApplicationFiled: December 1, 2009Publication date: September 15, 2011Applicant: AGFA GRAPHICS NVInventors: Johan Loccufier, Luc Van Maele, Jaymes Van Luppen, Roland Claes
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Publication number: 20110201718Abstract: The UV-curable resin compositions for optical discs are characterized in that they comprise (A) 15-70 wt % of a (meth)acrylate monomer that has an ethylene oxide chain in the molecule, (B) 5-50 wt % of a urethane (meth)acrylate, (C) 2-50 wt % of an epoxy (meth)acrylate, and (D) 1-10 wt % of a photopolymerization initiator, in the resin composition. The glass transition temperature of cured films thereof is 10-65° C., and the maximum value of the dynamic loss factor tan ? of the cured films is in the range of 0.35-0.73.Type: ApplicationFiled: November 4, 2009Publication date: August 18, 2011Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Masahiro Naitou, Daisuke Kobayashi, Jun Kidoba, Hiroki Tsutsumi, Yuichiro Matsuo
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Patent number: 7977015Abstract: The present invention provides a polymerizable compound denoted by general formula (1). In general formula (1), A denotes an oxygen atom, sulfur atom, or NR, R denotes a hydrogen atom, alkyl group, aryl group, or heterocyclic group, X denotes a hydrogen atom, polymerizable group, optionally polymerizable group-substituted alkyl group or the like, B and C each independently denote a hydrogen atom, halogen atom, polymerizable group, optionally polymerizable group-substituted alkyl group or the like, wherein at least one from among B and C denotes a hydrogen atom and at least one from among X, Y, and Z comprises a polymerizable group, m denotes an integer ranging from 0 to 5, n denotes an integer ranging from 0 to 2, and Q denotes an elimination group.Type: GrantFiled: February 8, 2008Date of Patent: July 12, 2011Assignee: Fujifilm CorporationInventors: Hiroyuki Suzuki, Satoru Yamada
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Patent number: 7964249Abstract: Method for producing a polyacrylate adhesive compound by a hot-melt method in which a polyfunctional ?-cleaving initiator, which is present as an oligomer, is added to the polymer to be crosslinked prior to the hot-melt method and ultraviolet crosslinking is carried out after treatment in the hot-melt method.Type: GrantFiled: October 5, 2001Date of Patent: June 21, 2011Assignee: tesa SEInventors: Ulf Cartellieri, Marc Husemann, Christian Ring, Stephan Zöllner
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Patent number: 7807230Abstract: Curcumin and curcuminoid compounds as photosensitizers for onium salt photoinitiators in cationic photopolymerization reactions are presented.Type: GrantFiled: June 16, 2006Date of Patent: October 5, 2010Assignee: Rensselaer Polytechnic InstituteInventors: James Crivello, Umut Bulut
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Publication number: 20100247940Abstract: The invention provides an optical resin composition being transparent, having suitable adhesion and necessary impact absorption for protection of an image display device etc., not affecting constituent materials of a image display panel, and being excellent in reliability, and an optical resin material using the same. Disclosed is an optical resin composition containing (A) a first acrylate derivative that is a compound having one polymerizable unsaturated bond in its molecule, (B) a second acrylate derivative that is a compound having two or more polymerizable unsaturated bonds in its molecule, and (C) an acrylate derivative polymer, and an optical resin material produced by curing reaction of the optical resin composition.Type: ApplicationFiled: October 31, 2007Publication date: September 30, 2010Applicant: Hitachi Chemical Co., Ltd.Inventors: Tooru Takahashi, Yasuhisa Ishida, Hisashige Kanbara, Hidekazu Kondou
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Publication number: 20100210749Abstract: [Purpose] To provide highly-sensitive oxime ester compounds as photopolymerization initiators in photosensitive resin compositions. [Solution Means] An oxime ester compound represented by the following general formula (I): (the symbols of which are defined in the specification) is used as the photopolymerization initiator in a photosensitive resin composition.Type: ApplicationFiled: February 16, 2010Publication date: August 19, 2010Inventor: Yuji Taguchi
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Patent number: 7745505Abstract: UV-crosslinkable acrylic hotmelt pressure sensitive adhesives comprising acrylic and vinyl monomers, and a polymerizable UV photoinitiator. The photoinitiator comprises a spacer comprising both ethylene oxide and urethane, or urea, carbonate, or siloxane functional groups. The ethylene oxide is directly bonded to the chromophore (e.g., benzophenone) moiety, while the urethane (or urea, carbonate, siloxane) is closely linked to the polymerizable moiety (e.g., styrenic C?C double bond).Type: GrantFiled: December 29, 2004Date of Patent: June 29, 2010Assignee: Henkel AG & Co. KGaAInventors: Yuxia Liu, Darwin Scott Bull
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Patent number: 7732504Abstract: The invention relates to novel photoinitiators of formula (I) wherein each of the substituents is given the definition as set forth in the Specification and the claims. The photoinitiators can be used to prepare multifunctional photoinitiators.Type: GrantFiled: January 24, 2005Date of Patent: June 8, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Kurt Dietliker, Rinaldo Hüsler, Jean-Luc Birbaum, Jean-Pierre Wolf
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Publication number: 20100136491Abstract: Compounds of formula (I), (II), and (III), wherein R1, R2, R?2 and R??2 for example are C1-C20alkyl, provided that at least one of R1, R2, R?2 and R??2 carries a specified substituent; R3, R4, and R5 for example independently of one another are hydrogen or a defined substituent provided that at least one of R3, R4 or R5 is other than hydrogen or C1-C20alkyl; R6, R7, R8, R?7, RV, R?8, R?6, R?7, R??6 and R??7 for example independently of one another have one of the meanings as given for R3, R4, and R5; and R9 for example is C1-C20alkyl; exhibit an unexpectedly good performance in photopolymerization reactions.Type: ApplicationFiled: April 24, 2008Publication date: June 3, 2010Inventors: Akira Matsumoto, Junichi Tanabe, Hisatoshi Kura, Masaki Ohwa
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Patent number: 7659323Abstract: Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.Type: GrantFiled: September 8, 2009Date of Patent: February 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Kevin M. Lewandowski, Duane D. Fansler, Michael S. Wendland, Steven M. Heilmann, Babu N. Gaddam
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Patent number: 7598298Abstract: Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.Type: GrantFiled: November 4, 2008Date of Patent: October 6, 2009Assignee: 3M Innovative Properties CompanyInventors: Kevin M. Lewandowski, Duane D. Fansler, Michael S. Wendland, Steven M. Heilmann, Babu N. Gaddam
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Publication number: 20090192238Abstract: It is an object of the present invention to provide an active energy ray-curable composition excellent in curability, in particular in depth curability, and capable of providing cured products excellent in thermal stability, weather resistance, oil resistance and permanent compression set, among others, as well as a cured product derived therefrom. The present invention relates to an active energy ray-curable composition which comprises the following components (A) and (B) as essential components: (A) A vinyl polymer having at least one terminal group represented by the general formula (1): —OC(O)C(Ra)?CH2??(1) per molecule; (B) At least one acylphosphine oxide photopolymerization initiator represented by the general formula (2): R1R2P(?O)C(?O)R3,??(2) and cured products derived therefrom.Type: ApplicationFiled: January 13, 2006Publication date: July 30, 2009Applicant: KANEKA CORPORATIONInventors: Shigeki Ono, Yoshiki Nakagawa
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Patent number: 7560499Abstract: Novel blends of photo-initiators and photo-absorbers are disclosed. By the proper selection of the type and amount of absorber and initiator used in a composition, it is possible to regulate the conditions under which photo-induced reactions occur. In a specific embodiment, blends of UV initiators and photoabsorbers are used to control the conditions under which UV initiated polymerization occurs.Type: GrantFiled: June 10, 2005Date of Patent: July 14, 2009Assignee: Calhoun Vision, Inc.Inventors: Jagdish M. Jethmalani, Shiao H. Chang, Robert H. Grubbs
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Patent number: 7524565Abstract: The liquid, uncrosslinked, UV-curable Michael addition resins and blends of the present invention exhibit performance properties that make them very effective coating materials and these properties can be modified greatly depending upon composition. Michael donors and acceptors can be constructed from Type I and/or Type II photoinitiators and can be included in the coating compositions disclosed to make UV-curable coatings with extraordinary photoreactivity and properties. Resins can be produced that show excellent adhesion to metals, plastics, wood, paper and glass. They exhibit wide ranges of hardness, toughness, flexibility, tensile strength, stain resistance, scratch resistance, impact resistance, solvent resistance, etc. Almost any desired coating performance parameter can be attained by proper selection of raw material building blocks.Type: GrantFiled: April 19, 2005Date of Patent: April 28, 2009Assignee: Ashland Licensing and Intellectual Property LLCInventors: Michael L. Gould, Terry E. Hammond, Sridevi Narayan-Sarathy
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Publication number: 20090068418Abstract: A display panel has a resin substrate and a printed layer formed on at least a part of the resin substrate through inkjet printing. The printed layer is formed from cured products of UV-curable inks each containing UV-curable monomers which are polymerized and cured by UV irradiation, and the printed layer has at least two such cured products having different pencil hardness values.Type: ApplicationFiled: August 28, 2008Publication date: March 12, 2009Applicants: DENSO CORPORATION, Toyo Ink Mfg. Co., Ltd.Inventors: Teruhiko Iwase, Takashi Aoki, Osamu Ina, Yasuo Yoshihiro, Yukitoshi Takahashi, Shinichi Sato
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Patent number: 7473719Abstract: The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor groups, and crosslinked by polyacryl Michael acceptor compounds.Type: GrantFiled: January 28, 2008Date of Patent: January 6, 2009Assignee: 3M Innovative PropertiesInventors: David J. Plaut, Duane D. Fansler, Kevin M. Lewandowski, Babu N. Gaddam
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Radiation Curable Resin, Liquid Crystal Sealing Material, and Liquid Crystal Display Cell Using Same
Publication number: 20080305707Abstract: [Problems] To provide a radiation curable resin having an extremely low possibility of contaminating liquid crystals, and a liquid crystal sealing material using such a photopolymerization initiator. [Means for Solving Problems] A liquid crystal sealing material characterized by comprising (a) a radiation curable resin represented by the general formula (1) below, (b) a photopolymerization initiator and (c) a filler having an average particle diameter of not more than 3 ?m.Type: ApplicationFiled: October 12, 2005Publication date: December 11, 2008Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Masahiro Imaizumi, Yasumasa Akatuka, Naoyuki Ochi, Eiichi Nishihara, Masaru Kudou, Toyohumi Asano, Naoki Toneda, Masahiro Hirano -
Patent number: 7459489Abstract: Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.Type: GrantFiled: August 8, 2006Date of Patent: December 2, 2008Assignee: 3M Innovative Properties CompanyInventors: Kevin M. Lewandowski, Duane D. Fansler, Michael S. Wendland, Steven M. Heilmann, Babu N. Gaddam
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Patent number: 7452921Abstract: Compounds of formula (I) where: {R1 is methyl, ethyl, cycloalkyl or optionally substituted aryl; Z is arylene or a group of formula —(CHR4)n-, where R4 is hydrogen, hydroxy or alkyl, and n is a number from 0 to 6; Y is carbonyl or a —CH2— group; Q is a residue of a mono- or poly-hydroxyl compound having from I to 6 hydroxy groups; and x is a number from I to 6; and esters thereof} are useful as sensitizers for use in radiationcurable compositions.Type: GrantFiled: July 2, 2004Date of Patent: November 18, 2008Assignee: Sun Chemical CorporationInventors: Shaun Lawrence Herlihy, Brian Rowett, Robert Stephen Davidson
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Publication number: 20080260960Abstract: Curcumin and curcuminoid compounds as photosensitizers for onium salt photoinitiators in cationic photopolymerization reactions are presented.Type: ApplicationFiled: June 16, 2006Publication date: October 23, 2008Applicant: Rensselaer Polytechnic InstituteInventors: James Crivello, Umut Bulut
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Publication number: 20080125509Abstract: 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: ApplicationFiled: November 29, 2007Publication date: May 29, 2008Inventors: Michelle Dawn Fabian, Edward John Fewkes, Kevin Robert McCarthy
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Patent number: 7371782Abstract: This invention relates to a polymerizable composite material and method of making same including at least one multifunctional acid containing monomer having a concentration ranging from about 10% to about 85%, a non-reactive filler having a concentration ranging from about 1% to about 80%, a polymerization system having a concentration ranging from about 1.5% to about 15%, and water having a concentration ranging from about 0.1% to about 25%.Type: GrantFiled: August 23, 2004Date of Patent: May 13, 2008Assignee: Pulpdent CorporationInventors: Jan G. Stannard, Kenneth J. Berk
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Patent number: 7364834Abstract: A polymer having ?,? unsaturated groups and a group that generates a free radical when exposed to actinic radiation. The polymer may be self-cross-linking.Type: GrantFiled: July 13, 2005Date of Patent: April 29, 2008Assignee: Rohm and Haas Electronic Materials LLCInventors: Robert K. Barr, Edgardo Anzures, Daniel E. Lundy
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Patent number: 7335690Abstract: The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor groups, and crosslinked by polyacryl Michael acceptor compounds.Type: GrantFiled: January 25, 2005Date of Patent: February 26, 2008Assignee: 3M Innovative Properties CompanyInventors: David J. Plaut, Duane D. Fansler, Kevin M. Lewandowski, Babu N. Gaddam
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Patent number: 7323290Abstract: A dry film photoresist includes a functional polymer. The functional polymer has ?,?-unsaturated groups and groups that generate a free radical upon exposure to actinic radiation.Type: GrantFiled: March 18, 2003Date of Patent: January 29, 2008Assignee: Eternal Technology CorporationInventors: Robert K. Barr, Edgardo Anzures, Daniel E. Lundy