Specified Rate-affecting Material Contains Onium Group Patents (Class 522/25)
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Patent number: 8236872Abstract: A photocationically polymerizable adhesive composition and an optical member, the photocationically polymerizable adhesive composition including about 75 to about 99.8 parts by weight of a compound including one of aliphatic epoxy, alicyclic epoxy, oxetane, and vinyl ether compounds, about 0.1 to about 5 parts by weight of a titanate coupling agent, and about 0.1 to about 20 parts by weight of a photopolymerization initiator, wherein a sum of weights of the compound, the titanate coupling agent, and the photopolymerization initiator is 100 parts by weight.Type: GrantFiled: April 22, 2011Date of Patent: August 7, 2012Assignee: Cheil Industries, Inc.Inventors: Cheong Hun Song, Hiroshi Ogawa, Tatsuhiro Suwa
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Patent number: 8207238Abstract: The invention features a hardenable dental composition, e.g., polymerizable dental restoratives, adhesives, etc., that contain a color-stable amine electron donor in an initiation system for initiating polymerization of the composition.Type: GrantFiled: October 29, 2008Date of Patent: June 26, 2012Assignee: 3M Innovative Properties CompanyInventors: Brian N. Holmes, Gregory A. Kobussen
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Patent number: 8207239Abstract: The present invention aims to provide a radiation-curing liquid resin composition for optical tridimensional modeling having good storage stability. The suitable radiation-curing liquid resin composition for optical tridimensional modeling of the present invention includes a compound represented by the below general formula (1), a compound having phenolic hydroxyl group, a cationic polymerizable compound, a radical polymerization initiator, a radical polymerizable compound, one or more sulfur compound selected from the group consisting of 2-mercaptobenzothiazole, 2-(4-morpholinodithiobenzothiazole, diisopropylxantogendisulfide and diphenyldisulfide, a polyether polyol compound.Type: GrantFiled: October 17, 2011Date of Patent: June 26, 2012Assignees: DSM IP Assets B.V., JSR Corporation, Japan Fine Coatings Co. Ltd.Inventors: Katsuyuki Takase, Takayoshi Tanabe, Noriyasu Shinohara
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Publication number: 20120121815Abstract: Acrylate-containing compositions are photocured by mixing at least one N-oxyazinium salt photoinitiator, a photosensitizer for the N-oxyazinium salt, an N-oxyazinium salt efficiency amplifier, and one or more photocurable acrylates to form a photocurable composition. This photocurable composition is then irradiated to effect polymerization of the one or more acrylates. This method can be carried out in oxygen-containing environments.Type: ApplicationFiled: November 15, 2010Publication date: May 17, 2012Inventor: Deepak Shukla
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Publication number: 20120123010Abstract: A photocurable composition includes at least one N-oxyazinium salt photoinitiator, a photosensitizer for the N-oxyazinium salt photoinitiator, an N-oxyazinium salt efficiency amplifier, and one or more photocurable acrylates. This composition can be cured using irradiation under high efficiency. Curing can be carried out in oxygen-containing environment.Type: ApplicationFiled: November 15, 2010Publication date: May 17, 2012Inventor: Deepak Shukla
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Patent number: 8168263Abstract: A photo-curable composition including (A) a cationic polymerizable compound, (B) a sensitizing colorant represented by the following formula (I), and (C) an onium salt; an ink composition containing the photo-curable composition; an inkjet recording method using the ink composition are provided, and in formula (I), X represents O, S or NR, R represents a hydrogen atom, an alkyl group, or an acyl group, n represents 0 or 1, each of R1 to R8 independently represents a hydrogen atom, or a monovalent substituent.Type: GrantFiled: July 2, 2009Date of Patent: May 1, 2012Assignee: FUJIFILM CorporationInventor: Tokihiko Matsumura
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Patent number: 8158326Abstract: A compound which generates a sulfonic acid having one or more —SO3H groups and one or more —SO2— bonds upon irradiation with an actinic ray or a radiation; a photosensitive composition containing the compound; and a method of pattern formation with the photosensitive composition.Type: GrantFiled: August 13, 2008Date of Patent: April 17, 2012Assignee: Fujifilm CorporationInventors: Kunihiko Kodama, Kenji Wada, Kaoru Iwato
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Patent number: 8148443Abstract: The present invention relates to oxonium salts having [(Ro)3O]+ cations and sulfonium salts having [(Ro)3S]+ cations, where Ro denotes straight-chain or branched alkyl groups having 1-8 C atoms or phenyl which is unsubstituted or substituted by Ro, ORo, N(Ro)2, CN or halogen, and anions selected from the group of [PFx(CyF2y+1?xHz)6?x]? anions, where 2?x?5, 1?y?8 and 0?z?2y+1, or anions selected from the group of [BFn(CN)4?n]? anions, where n=0, 1, 2 or 3, or anions selected from the group of [(Rf1SO2)2N]? anions or anions selected from the group of [BFWRf24?w]? anions, to processes for the preparation thereof, and to the use thereof, in particular for the preparation of ionic liquids.Type: GrantFiled: October 20, 2010Date of Patent: April 3, 2012Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Nikolai (Mykola) Ignatyev, German Bissky, Helge Willner
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Publication number: 20120059079Abstract: A dual-cure curable material kit comprising: (A) a radical-polymerizable monomer component; (B) a photopolymerization initiator component comprising (b1) an ?-diketone compound, (b2) an aliphatic tertiary amine compound having a tertiary amino group in which three saturated aliphatic groups are bonded to a nitrogen atom and one of the saturated aliphatic groups has an electron-withdrawing group as a substituent, and (b3) an s-triazine compound having a trihalomethyl group as a substituent, or a diaryliodonium salt compound; and a chemical polymerization initiator component (C) comprising (c1) an organic peroxide, and (c2) an N,N-di(hydroxyalkyl)-p-toluidine compound; which is packed separately at least in two packages so that the component (b2) and the component (b3) of the photopolymerization initiator component (B) are not packed together in a single package and the component (c1) and the component (c2) of the chemical polymerization initiator component (C) are not packed together in a single package.Type: ApplicationFiled: December 8, 2009Publication date: March 8, 2012Applicant: TOKUYAMA DENTAL CORPORATIONInventors: Kyoichi Fujinami, Kazuhiko Okishio
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Publication number: 20120041091Abstract: The present invention aims to provide a radiation-curing liquid resin composition for optical tridimensional modeling having good storage stability. The suitable radiation-curing liquid resin composition for optical tridimensional modeling of the present invention includes a compound represented by the below general formula (1), a compound having phenolic hydroxyl group, a cationic polymerizable compound, a radical polymerization initiator, a radical polymerizable compound, one or more sulfur compound selected from the group consisting of 2-mercaptobenzothiazole, 2-(4-morpholinodithiobenzothiazole, diisopropylxantogendisulfide and diphenyldisulfide, a polyether polyol compound.Type: ApplicationFiled: October 17, 2011Publication date: February 16, 2012Applicants: DSM IP ASSETS B.V., Japan Fine Coatings Co., Ltd., JSR CorporationInventors: Katsuyuki Takase, Takayoshi Tanabe, Noriyasu Shinohara
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Patent number: 8088548Abstract: Developable bottom antireflective coating compositions are provided.Type: GrantFiled: October 23, 2007Date of Patent: January 3, 2012Assignee: AZ Electronic Materials USA Corp.Inventors: Francis M. Houlihan, Shinji Miyazaki, Mark O. Neisser, Alberto D. Dioses, Joseph E. Oberlander
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Publication number: 20110300367Abstract: Disclosed is a composition that includes a photo-curable base composition that contains one or more acrylate-containing compounds; a photoinitiator that activates polymerization of the photo-curable base composition upon exposure to light of a suitable wavelength; and a photo-acid generating compound that liberates an acid group following exposure to the light of the suitable wavelength. Optical fibers that include the cured product of this composition demonstrate enhanced fatigue resistance, extending lifetime in transient, very small bend applications. Optical fiber ribbons that contain these optical fibers are also disclosed.Type: ApplicationFiled: June 2, 2011Publication date: December 8, 2011Inventor: Ching-Kee Chien
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Patent number: 8012671Abstract: A curable composition in which polymerization inhibition due to oxygen is suppressed and which may be cured with high sensitivity by exposure to laser light or the like is provided. The curable composition includes: a polymerizable compound having an ethylenically unsaturated bond; a binder; a radical polymerization initiator; and at least one specific amine compound. Also provided is an image forming material and a negative-working planographic printing plate precursor including the curable composition.Type: GrantFiled: September 24, 2008Date of Patent: September 6, 2011Assignee: FUJIFILM CorporationInventor: Shigefumi Kanchiku
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Patent number: 8012672Abstract: Compounds of the formula (I), wherein L1, L2, L3 and L4 independently of one another are hydrogen or an organic substituent; R is for example C1-C20alkyl, C5-C12cycloalkyl, C2-C20alkenyl, substituted C1-C20alkyl; X is O, S, NRa or NCORa; Ra is for example hydrogen or C1-C20alkyl; and Y is an inorganic or organic anion; are suitable as photolatent acid generators.Type: GrantFiled: September 24, 2007Date of Patent: September 6, 2011Assignee: BASF SEInventors: Pascal Hayoz, Jean-Luc Birbaum, Stephan Ilg
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Publication number: 20110172323Abstract: Disclosed are photopolymerizable compositions suitable for uses such as dental composite resins, and that comprise (A) a radical-polymerizable monomer, (B) a photopolymerization initiator that comprises (B1) an ?-diketone compound, (B2) a photoacid generating agent, (B3) an aromatic amine compound, and (C) an organic filler containing a phthalate ester fluorescent agent.Type: ApplicationFiled: May 20, 2009Publication date: July 14, 2011Applicant: TOKUYAMA DENTAL CORPORATIONInventors: Hironobu Akizumi, Junichiro Yamagawa
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Patent number: 7964248Abstract: The present invention is directed to a photoinitiator composition comprising two different cationic photoinitiators and a photocurable composition comprising said photoinitiator composition. Moreover, the present invention relates to the use of the photoinitiator composition and the photocurable composition. Furthermore, the present invention relates to a process for producing a three dimensional article.Type: GrantFiled: April 9, 2008Date of Patent: June 21, 2011Assignee: Huntsman Advanced Materials Americas LLCInventors: John Wai Fong, Carole Chapelat, Loic Messe, Ranjana Patel, Laurence Messe
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Patent number: 7947336Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; n represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.Type: GrantFiled: June 4, 2010Date of Patent: May 24, 2011Assignee: Canon Kabushiki KaishaInventors: Shimpei Otaka, Kazunari Ishizuka, Isamu Horiuchi, Isao Imamura
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Patent number: 7947759Abstract: Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component comprising a polymerizable resin comprising ethylenic unsaturated double bond, a second component comprising a compound comprising more than one type of amine selected from the group consisting of primary amines, secondary amines, tertiary amines and quaternary amines, and, optionally, the cement product includes a bioactive component to promote bone formation.Type: GrantFiled: August 8, 2006Date of Patent: May 24, 2011Assignee: Angstrom MedicaInventors: Juchui Ray Lin, Edward S. Ahn, Hansen Yuan, Paul J. Mraz
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Publication number: 20110118374Abstract: The invention relates to a method for preparing a hard film or coating from a composition based on monomers, oligomers and/or polymers capable of being involved in cationic polymerization and/or crosslinking reactions, comprising reactive functional radicals capable of forming intra-chain and inter-chain bridges, so as to obtain a polymerized and/or crosslinked film, coating or bulk (for example composite) material which has a certain level of hardness and a certain level of mechanical strength. The initiator system for polymerization and/or crosslinking, formed by an iodonium borate photoinitiator and by a photosensitizer chosen from di-anthracene-ethers, di-naphthalene-ethers and/or di-benzene-ethers, makes it possible to use a smaller amount of iodonium borate compared with the known systems, for an equivalent efficiency and with an acceptable odour being given off, in particular after polymerization/crosslinking.Type: ApplicationFiled: December 23, 2008Publication date: May 19, 2011Inventors: Sophie Schneider, Jean-Marc Frances
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Patent number: 7900558Abstract: The invention provides a radiation-curable polymerizable composition of the invention having (a) a hindered amine compound having no nucleophilic moiety in a molecule, (b) a photo-acid generating agent and (c) a cationic polymerizable monomer. The invention further provides an ink composition formed of the radiation-curable polymerizable composition, a method for ink jet recording having: ejecting the ink composition onto a recording medium by using an ink jet recording apparatus and irradiating the ejected ink composition so as to cure the ink composition, and a printed material obtained thereby. The invention further provides a method for forming a planographic printing plate having: ejecting the ink composition onto a hydrophilic recording medium by using an ink jet recording apparatus; and irradiating the ejected ink composition so as to cure the ink composition for forming a hydrophobic region, and a planographic printing plate obtained thereby.Type: GrantFiled: February 1, 2008Date of Patent: March 8, 2011Assignee: Fujifilm CorporationInventor: Kazuhiro Yokoi
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Patent number: 7893130Abstract: Dental compositions are described which are photocurable by radiation with a wavelength greater than 390 nm. The compositions include a cationically active compound, a dental filler, optionally a dispersant, a cationic photoinitiator and a photosensitizer which is a thioxanthone salt substituted by at least one group containing an ammonium function. The composition has the advantage of remedying the color stability problems of finished dental products after crosslinking.Type: GrantFiled: May 10, 2005Date of Patent: February 22, 2011Assignee: Bluestar Silicones France SASInventor: Jean-Marc Frances
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Patent number: 7893129Abstract: Stable, highly filled cationic dental compositions useful for the production of dental prostheses and dental restoration materials contain: (1) at least one compound which is reactive cationically when activated, advantageously at least one UV- and cationically reactive oxirane-functionalized silicone; (2) at least one dental filler, advantageously SiO2; (3) at least one organic polymer or copolymer dispersant having an amine index less than or equal to 100 mg of potassium hydroxide per gram of dispersant, advantageously a polyurethane/acrylate copolymer or alkylammonium salt thereof; (4) at least one cationic photoinitiator, advantageously iodonium borate; and (5) optionally, at least one photosensitizer.Type: GrantFiled: March 9, 2009Date of Patent: February 22, 2011Assignee: Bluestar Silicones France SASInventor: Jean-Marc Frances
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Patent number: 7887162Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; n represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.Type: GrantFiled: January 29, 2010Date of Patent: February 15, 2011Assignee: Canon Kabushiki KaishaInventors: Shimpei Otaka, Kazunari Ishizuka, Isamu Horiuchi, Isao Imamura
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Patent number: 7844153Abstract: An active energy ray (e.g. UV rays)-curable organopolysiloxane resin composition comprises (A) 100 parts by weight of an organopolysiloxane resin containing epoxy groups and aromatic hydrocarbon groups, (B) 0.05 to 20 parts by weight of a photo acid generator, (C) 0.01 to 20 parts by weight of a photosensitizer or photo-radical generator, and (D) 0 to 5,000 parts by weight of an organic solvent. An optical transmission component made of the above-mentioned composition cured by irradiation with active energy rays (for example, UV rays). A method for manufacturing an optical transmission component by irradiating the above-mentioned composition with active energy rays (for example, UV rays).Type: GrantFiled: May 30, 2005Date of Patent: November 30, 2010Assignee: Dow Corning CorporationInventors: Toshinori Watanabe, Takuya Ogawa
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Patent number: 7838570Abstract: An ink used preferably in jet ink devices includes an ink vehicle, the ink vehicle being made up either (a) a first component curable by a first polymerization route and an associated photointiator, and a second component curable by a second polymerization route and as associated photoinitiator, wherein the second polymerization route is different from the first polymerization route, or (b) a component curable by a single polymerization route with a first and a second photoinitiator system in which the first system responds to longer wavelengths. An image may be formed by such inks by jetting onto a transfer member surface, curing the first component or partially curing the single component while upon the transfer member surface, transferring the ink to an image receiving surface, and completing curing. The first component is preferably curable via cationic polymerization and the second component is preferably curable via free radical polymerization.Type: GrantFiled: January 14, 2005Date of Patent: November 23, 2010Assignee: Xerox CorporationInventors: Peter G. Odell, Eniko Toma
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Publication number: 20100255211Abstract: Provided is an actinic energy radiation curable ink-jet ink, an ink-jet recording method, and printed matter satisfying ink storage stability, ejection stability, weather resistance, flexibility, safety, odorless properties. An actinic energy radiation curable ink-jet ink comprises a cationically polymerizable compound and a photo-cationic polymerization initiator, wherein the cationically polymerizable compound comprises a vinyl ether group as a reactive group, the photo-cationic polymerization initiator is a photo acid generator, an amount of generation of protonic acid from the photo acid generator is 1×10?4 mol/L or less, and comprising a radical polymerization inhibitor; wherein the amount of generation of protonic acid is defined as a difference of a hydrogen ion concentration (mol/L) in dioxane solution between immediately after preparation and after refluxing when 0.02 mol/L of the photo acid generator in dioxane solution are refluxed 20 hours under atmospheric pressure.Type: ApplicationFiled: March 24, 2010Publication date: October 7, 2010Applicant: KONICA MINOLTA IJ TECHNOLOGIES, INC.Inventors: Kouki KAWASHIMA, Masaki NAKAMURA, Atsushi NAKAJIMA, Yusuke TAKAKU
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Patent number: 7776940Abstract: Hardenable and hardened dental compositions, and articles including such hardenable and hardened compositions, are provided. In some embodiments, the hardenable dental compositions include an acid-generating component and an acid-reactive component including one or more acid-reactive groups. Upon irradiating, and optionally heating, the hardened compositions are useful, for example, for reducing the bond strength of orthodontic appliances adhered to tooth structures with the hardened compositions.Type: GrantFiled: December 20, 2005Date of Patent: August 17, 2010Assignee: 3M Innovative Properties CompanyInventors: Rajdeep S. Kalgutkar, Joan V. Brennan, Babu N. Gaddam
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Publication number: 20100203241Abstract: The present invention relates to a novel holographic photopolymer based on prepolymer-based polyurethane compositions, the preparation of said photopolymer and its use for a very wide range of optical applications.Type: ApplicationFiled: February 12, 2010Publication date: August 12, 2010Applicant: Bayer MaterialScience AGInventors: Marc-Stephan Weiser, Thomas Rölle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel
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Patent number: 7754780Abstract: A method for forming a pattern includes forming an etching object layer on a substrate, applying a resist on an etching object layer, the resist including a photo-initiator, and a liquid pre-polymer including a vinyl functional group and a hydrophilic functional group, shaping the resist using a mold plate having an imprint formed therein, and hardening the resist to form a resist pattern while the mold plate shaping the resist corresponding to the imprint.Type: GrantFiled: June 9, 2005Date of Patent: July 13, 2010Assignee: LG Display Co., Ltd.Inventor: Jin-Wuk Kim
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Patent number: 7741260Abstract: The invention provides a novel rinsing fluid which can convert an easily wettable resist pattern surface having a contact angle of 40° or below into one having a contact angle of 70° or above to inhibit pattern collapse effectively and thereby give high-quality products.Type: GrantFiled: April 20, 2005Date of Patent: June 22, 2010Assignee: Tokyo Ohka Kogyo Co., Ltd.Inventors: Jun Koshiyama, Kazumasa Wakiya, Fumitake Kaneko, Atsushi Miyamoto, Hidekazu Tajima, Yoshihiro Sawada
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Patent number: 7740482Abstract: Stable and substantially filled cationic dental compositions are described which include: (1) at least one cationically reactive compound (A); (2) at least one dental filler (B); (3) optionally, at least one dispersant (C) composed of at least one organic polymer or copolymer; (4) at least one cationic photoinitiator (D); and (5) optionally, at least one photosensitizer (E). The dental filler (B) is treated with at least one organosilicon coupling agent (F), and at least one compound (G). The organosilicon coupling agent (F) has at least one reactive function (rfA) directly linked to a silicon atom forming after activation of a chemical bond with the dental filler, and at least one reactive function (rfB) not directly linked to a silicon atom, forming after activation, a chemical bond with a reactive function (rfC) of the compound (G).Type: GrantFiled: May 2, 2008Date of Patent: June 22, 2010Assignee: Bluestar Silicones FranceInventors: Jean-Marc Frances, Martial Deruelle, Yves Giraud
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Patent number: 7718111Abstract: A photocurable composition comprising cationically curable compound, an acrylate-containing compound; a hydroxyl-containing compound; a cationic photoinitiator; and a free radical photoinitiator; wherein said composition has less than 0.54 equivalents of cationically curable groups, less than 0.10 equivalents of acrylate groups and less than 0.10 equivalents of hydroxyl 0groups per 100 grams of said composition.Type: GrantFiled: April 11, 2007Date of Patent: May 18, 2010Assignee: Huntsman Advanced Materials Americas Inc.Inventors: David L. Johnson, Frank Tran, John Fong, Richard Leyden, Ranjana Patel
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Patent number: 7709554Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; n represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.Type: GrantFiled: November 16, 2006Date of Patent: May 4, 2010Assignee: Canon Kabushiki KaishaInventors: Shimpei Otaka, Kazunari Ishizuka, Isamu Horiuchi, Isao Imamura
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Patent number: 7709546Abstract: An ink composition is provided that includes a compound represented by Formula (I) or (II). (In Formulae (I) and (II), R1 and R2 independently denote a monovalent substituent, R3 to R6 independently denote a hydrogen atom or a monovalent substituent, n denotes an integer of 0 to 5, and n? denotes an integer of 0 to 5; n and n? are not both 0, when n is 2 or greater a plurality of R1s may be identical to or different from each other, and when n? is 2 or greater a plurality of R2s may be identical to or different from each other.) There are also provided an inkjet recording method employing the ink composition, and a process for producing a lithographic printing plate, the process including discharging the ink composition onto a hydrophilic support. A printed material and a lithographic printing plate thus obtained are also included in the present invention.Type: GrantFiled: April 13, 2007Date of Patent: May 4, 2010Assignee: FUJIFILM CorporationInventors: Tomotaka Tsuchimura, Tetsunori Matsushita
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Patent number: 7709547Abstract: The present invention provides an ink composition, and inkjet recording method, a printed material, a production method of a planographic printing plate, and a planographic printing plate. The ink composition of the present invention contains a cationically polymerizable compound, a compound that generates an acid when irradiated with a radiation ray, and an onium salt compound that generates an organic acid compound having a basic nitrogen atom when irradiated with a radiation ray.Type: GrantFiled: November 21, 2006Date of Patent: May 4, 2010Assignee: FUJIFILM CorporationInventors: Kazuhiro Yokoi, Ippei Nakamura, Kenji Wada
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Patent number: 7709553Abstract: The invention provides a cation polymerizable resin composition excellent in curing properties and corrosion resistance with less resin coloration and less cure shrinkage, which is a material suitable as a surface protective material for optical disk. Specifically, the cation polymerizable resin composition comprises an epoxy compound (A) as an essential ingredient represented by formula 1 wherein R1 and R2 each represent a saturated or unsaturated carbon atom, and R3 represents a hydrogen atom or a saturated or unsaturated carbon atom, a cation polymerizable compound (B) other than the epoxy compound represented by formula 1, a photo cation polymerization initiator (C) and a photo radical polymerization initiator (D).Type: GrantFiled: April 16, 2004Date of Patent: May 4, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Yuichi Ito, Satoru Suda, Yasushi Mizuta, Katsunori Nishiura, Toshikazu Gomi
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Patent number: 7700264Abstract: A photosensitive resin composition containing an alkali soluble resin, an ethylenically unsaturated compound, a near infrared absorbing dye, a compound containing a halomethyl group and a compound containing an organoboron anion, wherein the alkali soluble resin is an acryl resin having one or more pendant groups in which both terminals of a diol compound have been blocked with isophorone diisocyanates and then (meth)acryloyl has been added. Also provided is an image forming material having a substrate, and a photosensitive layer formed by the photosensitive resin composition on the substrate, as well as an image forming method.Type: GrantFiled: October 31, 2006Date of Patent: April 20, 2010Assignee: Nippon Paint Co., Ltd.Inventor: Hirotoshi Umemoto
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Patent number: 7696260Abstract: A composition comprising a cationically-polymerizable compound, an iodonium-based cationic initiator, a sensitizer for said cationic initiator and an antioxidant selected from the group consisting of phenol antioxidants, lactone antioxidants, and combinations of these antioxidants is provided. The addition of this antioxidant to this composition contributes to the reduction of potential run-away reaction when it is exposed in-bulk to actinic radiation.Type: GrantFiled: March 30, 2006Date of Patent: April 13, 2010Assignee: DSM IP Assets B.V.Inventors: Kangtal Ren, John A. Lawton
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Publication number: 20100087563Abstract: Compounds of the formula (I), wherein L1, L2, L3 and L4 independently of one another are hydrogen or an organic substituent; R is for example C1-C20alkyl, C5-C12cycloalkyl, C2-C20alkenyl, substituted C1-C20alkyl; X is O, S, NRa or NCORa; Ra is for example hydrogen or C1-C20alkyl; and Y is an inorganic or organic anion; are suitable as photolatent acid generators.Type: ApplicationFiled: September 24, 2007Publication date: April 8, 2010Inventors: Pascal Hayoz, Jean-Luc Birbaum, Stephan Ilg
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Patent number: 7687552Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.Type: GrantFiled: November 4, 2009Date of Patent: March 30, 2010Assignee: Canon Kabushiki KaishaInventors: Shimpei Otaka, Kazunari Ishizuka, Isamu Horiuchi, Isao Imamura
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Publication number: 20100013899Abstract: A photo-curable composition including (A) a cationic polymerizable compound, (B) a sensitizing colorant represented by the following formula (I), and (C) an onium salt; an ink composition containing the photo-curable composition; an inkjet recording method using the ink composition are provided, and in formula (I), X represents O, S or NR, R represents a hydrogen atom, an alkyl group, or an acyl group, n represents 0 or 1, each of R1 to R8 independently represents a hydrogen atom, or a monovalent substituent.Type: ApplicationFiled: July 2, 2009Publication date: January 21, 2010Applicant: FUJIFILM CORPORATIONInventor: Tokihiko MATSUMURA
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Patent number: 7618683Abstract: An ink composition is provided that includes (A) an acid-generating compound having an anion represented by any one of Formulae (I) to (XI), (B) a cationically polymerizable compound, and (C) a colorant. (In the formulae, R1 to R3 independently denote a monovalent organic group, Rb1 to Rb3, Rf1, and Rf2 independently denote a perfluoroalkyl group, a perfluoroaryl group, or an aryl group substituted with at least one fluorine atom or perfluoroalkyl group, X1 to X3 independently denote a monovalent organic group, and Y1 denotes a hydrogen atom or a monovalent organic group.Type: GrantFiled: January 5, 2007Date of Patent: November 17, 2009Assignee: FUJIFILM CorporationInventor: Tomotaka Tsuchimura
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Publication number: 20090258961Abstract: Stable, highly filled cationic dental compositions useful for the production of dental prostheses and dental restoration materials contain: (1) at least one compound which is reactive cationically when activated, advantageously at least one UV-and cationically reactive oxirane-functionalized silicone; (2) at least one dental filler, advantageously SiO2; (3) at least one organic polymer or copolymer dispersant having an amine index less than or equal to 100 mg of potassium hydroxide per gram of dispersant, advantageously a polyurethane/acrylate copolymer or alkylammonium salt thereof; (4) at least one cationic photoinitiator, advantageously iodonium borate; and (5) optionally, at least one photosensitizer.Type: ApplicationFiled: March 9, 2009Publication date: October 15, 2009Inventor: Jean-Marc FRANCES
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Publication number: 20090247660Abstract: A novel monomer, 1,1,1-tri-[4-(methacryloxyethylaminocarbonyloxy)-phenyl]ethane (MPE) can be used in preparing dental compositions The MPE monomer can be combined into a dental adhesive with hydroxyethyl methacrylate (HEMA) and BisGMA (bisphenol A dimethacrylate). The MPE polymer can be polymerized with a photoinitiator system, such as a system that includes an iodonium salt. The iodonium salt can be diphenyliodonium hexafluorophosphate.Type: ApplicationFiled: March 31, 2009Publication date: October 1, 2009Inventors: Jonggu Park, Paulette Spencer, Elizabeth Murphy Topp, Qiang Ye
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Patent number: 7595351Abstract: Actinic radiation curable compositions comprising at least one actinic radiation curable, cationically polymerizable compound and at least one cationic photoinitiator, may be stabilized by the use of a stabilizer which is a complex of a Lewis acid (other than a fluorine-containing boron compound) and a Lewis base.Type: GrantFiled: June 4, 2003Date of Patent: September 29, 2009Assignee: Huntsman Advanced Materials Americas Inc.Inventors: Barrie James Hayes, Laurence Josette Messe
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Patent number: 7582685Abstract: A multi-photon reactive composition comprises an ethylenically unsaturated liquid polysilazane precursor, a multi-functional thiol additive, a multi-ethylenically-unsaturated additive different from the polysilazane, and a multi-photon photocuring composition. The invention can be used to provide ceramic-based microstructures as, for example, high temperature resistant materials, including devices such as microcombustors, micro-heat-exchangers, sensor and actuator systems, microfluidic devices, and micro-optics systems that can be used independently or integrated into other systems.Type: GrantFiled: December 27, 2005Date of Patent: September 1, 2009Assignee: 3M Innovative Properties CompanyInventors: David S. Arney, Feng Bai
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Patent number: 7574959Abstract: Radiation-sensitive composition comprising (a) at least one photopolymerizable compound with at least one ethylenically unsaturated group accessible to a free-radical polymerization, wherein the at least one photopolymerizable compound has a molecular weight of 3,000 or less and can be obtained by reacting a diisocyanate with (I) an ethylenically unsaturated compound with a hydroxy group, and at the same time (ii) a saturated organic compound with an NH group and an OH group, wherein the reactants are used in amounts according to the following condition: Number of moles of isocyanate groups ?number of moles of OH plus NH groups; (b) at least one sensitizer which absorbs radiation from the wavelength range of 250 to 450 nm of the electromagnetic spectrum and is selected from: dihydropyridines of formula (I) and oxazole derivatives of formula (II): (II) (c) at least one coinitiator capable of forming free radicals together with the sensitizer (b) and selected from 2,2?,4,4?,5?5-hexaarylbiimidazoles, compounds wType: GrantFiled: November 18, 2004Date of Patent: August 18, 2009Assignee: Kodak Graphic Communications, GmbHInventors: Harald Baumann, Udo Dwars, Michael Flugel
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Patent number: 7541131Abstract: The invention provides a resist composition for use in the production process of a semiconductor such as IC, in the production of a circuit substrate of liquid crystal, thermal head and the like or in other photofabrication processes, a compound for use in the resist composition and a pattern forming method using the resist composition, which are a resist composition comprising (A) a sulfonium salt represented by the following formula (I); and a pattern forming method using the resist composition: wherein R1 represents an alkyl group or an aryl group, R2 to R9 each independently represents a hydrogen atom or a substituent and may combine with each other to form a ring, Z represents an electron-withdrawing divalent linking group, Xn? represents an n-valent anion, n represents an integer of 1 to 3, and m represents the number of anions necessary for neutralizing the electric charge.Type: GrantFiled: February 17, 2006Date of Patent: June 2, 2009Assignee: FUJIFILM CorporationInventor: Yasutomo Kawanishi
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Patent number: 7537452Abstract: The invention features a photopolymerizable composition that comprises a cationically polymerizable resin, and a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and one or more anthracene-based compounds as electron donors. Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.Type: GrantFiled: August 16, 2007Date of Patent: May 26, 2009Assignees: Curators of the University of Missouri, 3M Innovative Properties Company 3M Center, 3M ESPE AGInventors: Joel D. Oxman, Karsten Dede, Craig A. Dykstra, Victoria A. Russell, Christoph Thalacker, Wolfgang Weinmann
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Patent number: RE40847Abstract: Radiation curable ink compositions for ink jet contain radiation curable monomers containing vinylether and acrylate functions.Type: GrantFiled: March 19, 2003Date of Patent: July 14, 2009Assignee: Agfa-GevaertInventors: Luc Vanmaele, Emiel Verdonck