Mercapto Group Attached Directly To Aromatic Ring, E.g., Thiophenol, Etc. Patents (Class 522/56)
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Patent number: 8507573Abstract: There is provided an inkjet ink which has satisfactory storage stability and inkjet ejection stability, exhibits excellent curability, and is capable of forming high quality images on coated paper by an inkjet system. Disclosed is an active energy ray curable inkjet ink composition comprising: 15-75% by weight of at least one polymerizable bifunctional monomer selected from the group consisting of dipropylene glycol diacrylate and 1,9-nonanediol diacrylate; and 1% by weight to 10% by weight of [4-(methylphenylthio)phenyl]phenylmethanone as a photopolymerization initiator.Type: GrantFiled: June 29, 2011Date of Patent: August 13, 2013Assignees: Toyo Ink SC Holdings Co., Ltd., Toyo Ink Co., Ltd.Inventors: Yuji Kameyama, Norio Suzuki, Yohei Konda, Kazuhiro Jonai
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Patent number: 8361605Abstract: A photosensitive resin composition which is effective in avoiding troubles in the step of plating with various metals in printed wiring board production, such as under-film metal deposition and film peeling, and which forms a wiring-protecting film excellent in adhesion, flexibility, insulation reliability, and heat resistance. The photosensitive resin composition comprises (A) a carboxylated polymer, (B) a compound having at least two photopolymerizable unsaturated double bonds, (C) a photopolymerization initiator, and (D) a nitrogen compound represented by a specific feature.Type: GrantFiled: April 23, 2008Date of Patent: January 29, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Katsuhiko Funaki, Etsuo Ohkawado, Kousuke Hirota, Syuji Tahara
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Publication number: 20120040190Abstract: An improved coating system for an ophthalmic lens that provides improved characteristics in the form of abrasion resistance, while also providing improved manufacturability and rapid curing as compared to prior art coating systems. The coating system is a composite coating that hybridizes both epoxy and acrylate coating materials into a single coating system. The coating material of the present disclosure includes at least a poly (meth) acrylate polymer, a polymerizable monomer containing at least one epoxy group and a cationic polymerization initiator. The coating may be further enhanced by the addition of colloidal nano-silica particles that serve to reinforce the mechanical properties of the coating system without compromising the overall transparency and optical clarity of the coating.Type: ApplicationFiled: July 11, 2011Publication date: February 16, 2012Applicant: HONEYWELL INTERNATIONAL, INC.Inventors: Xiaorong You, Phil Johnson
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Publication number: 20120003435Abstract: There is provided an inkjet ink which has satisfactory storage stability and inkjet ejection stability, exhibits excellent curability, and is capable of forming high quality images on coated paper by an inkjet system. Disclosed is an active energy ray curable inkjet ink composition comprising: 15-75% by weight of at least one polymerizable bifunctional monomer selected from the group consisting of dipropylene glycol diacrylate and 1,9-nonanediol diacrylate; and 1% by weight to 10% by weight of [4-(methylphenylthio)phenyl]phenylmethanone as a photopolymerization initiator.Type: ApplicationFiled: June 29, 2011Publication date: January 5, 2012Applicants: TOYO INK CO., LTD., TOYO INK SC HOLDINGS CO., LTD.Inventors: Yuji KAMEYAMA, Norio SUZUKI, Yohei KONDA, Kazuhiro JONAI
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Publication number: 20110262711Abstract: Curable, phase-change compositions and inks used for printing three-dimensional objects including a curable monomer, a photoinitiator, a wax and a gellant, where the composition of the cured formulation has a room temperature modulus of from about 0.01 to about 5 Gpa. The curable monomer includes acrylic monomer, polybutadiene adducted with maleic anhydride, aliphatic urethane acrylate, polyester acrylate, 3-acryloxypropyltrimethoxysilane, or acryloxypropyl t-structured siloxane.Type: ApplicationFiled: April 22, 2010Publication date: October 27, 2011Applicant: XEROX CORPORATIONInventors: Naveen CHOPRA, Michelle N. Chretien, Barkev Keoshkerian
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Publication number: 20110195194Abstract: A UV radiation curable composition includes a cationic photoinitiator according to Formula (I) or (II): wherein R1, R2 and R3 independently represent a group selected from the group consisting of an aryl group and a heteroaryl group, with the proviso that R1, R2 and R3 are each substituted by at least one substituent including at least one cationically polymerizable group selected from the group consisting of an alkenyl ether, an epoxide and an oxetane; and P and Q independently represent the necessary atoms to form a substituted or unsubstituted 5 or 6-membered aromatic or heteroaromatic ring, with the proviso that at least one of P, Q and L is substituted by at least one substituent including at least one cationically polymerizable group, selected from the group consisting of an alkenyl ether, an epoxide and an oxetane; and L represents a group selected from the group consisting of a direct bond, O, S, SO, SO2, CR5R6, C(?O), S(?O), C(NR8) and NR7.Type: ApplicationFiled: December 1, 2009Publication date: August 11, 2011Applicant: AGFA GRAPHICS NVInventor: Johan Loccufier
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Publication number: 20110123723Abstract: A photosensitive resin composition comprises: 0.01 wt %-10 wt % of reflective particles; 0 wt %-12 wt % of pigment; 1 wt %-10 wt % of dispersant; 1.5 wt %-5 wt % of dispersion resin; 2 wt %-25 wt % of optically active polymer; 1 wt %-22 wt % of optical active monomer; 0.4 wt %-5 wt % of epoxy resin; 5 wt %-85 wt % of solvent; 0.1 wt %-3 wt % of photoinitiator; and 0.01 wt %-3.5 wt % of additives.Type: ApplicationFiled: November 24, 2010Publication date: May 26, 2011Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jiuxia YANG
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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: 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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Publication number: 20090163615Abstract: The present application provides a latent ink-jet ink formulation suitable as solder mask. The composition generally comprises: (a) at least one compound capable of self cross-linking (USM); (b) at least one phenolic resin; (c) at least one solvent; (d) at least one mineral filler; (e) at least one polyol; and (f) at least one photoinitiator.Type: ApplicationFiled: August 31, 2006Publication date: June 25, 2009Inventors: Izhar Halahmi, Shalom Luski, Michal Cohen
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Patent number: 6916919Abstract: The present invention relates to a process for separating nucleic acid molecules, preferably open circular and supercoiled plasmid DNA and RNA molecules from each other, comprising the steps of providing a solution comprising the molecules; adsorbing the molecules to adsorbing groups on a carrier; and optionally washing the column with a suitable solution. The present process is especially suitable for large-scale isolation of supercoiled ccc DNA to be used in gene therapy.Type: GrantFiled: April 15, 2002Date of Patent: July 12, 2005Assignee: Amersham Biosciences ABInventors: Raf Lemmens, Tomas Nyhammar, Jan Berglof, Joachim Stadler
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Patent number: 6824858Abstract: A photocurable and thermosetting composition which is useful in forming a matte film and can be developed with an aqueous alkaline solution is provided. The composition comprises (A) a photosensitive prepolymer obtained by causing a saturated or unsaturated polybasic acid anhydride to react with a hydroxyl group of an esterification product of a novolak type epoxy compound and an unsaturated monocarboxylic acid, (B) a carboxyl group-containing copolymer resin, (C) a photopolymerization initiator, (D) a diluent, (E) a polyfunctional epoxy compound having at least two epoxy groups in its molecule, and, when necessary, (F) an inorganic filler. The composition may further comprise (G) an epoxy resin curing agent. This composition can be advantageously used for the formation of a solder resist on a printed circuit board.Type: GrantFiled: August 13, 2002Date of Patent: November 30, 2004Assignee: Taiyo Ink Manufacturing Co., Ltd.Inventors: Satoru Iwaida, Yoshihiro Ohno, Masayuki Isono, Akio Sekimoto
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Publication number: 20030082355Abstract: A photocurable and thermosetting composition which is useful in forming a matte film and can be developed with an aqueous alkaline solution is provided. The composition comprises (A) a photosensitive prepolymer obtained by causing a saturated or unsaturated polybasic acid anhydride to react with a hydroxyl group of an esterification product of a novolak type epoxy compound and an unsaturated monocarboxylic acid, (B) a carboxyl group-containing copolymer resin, (C) a photopolymerization initiator, (D) a diluent, (E) a polyfunctional epoxy compound having at least two epoxy groups in its molecule, and, when necessary, (F) an inorganic filler. The composition may further comprise (G) an epoxy resin curing agent. This composition can be advantageously used for the formation of a solder resist on a printed circuit board.Type: ApplicationFiled: August 13, 2002Publication date: May 1, 2003Inventors: Satoru Iwaida, Yoshihiro Ohno, Masayuki Isono, Akio Sekimoto
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Patent number: 6489374Abstract: The invention relates to &agr;-ammonium alkenes, iminium alkenes and amidinium alkenes in the form of their tetraaryl- or triaryl-alkylborate salts that can be converted photochemically into amines, imines or amidines, and to a process for the preparation thereof. The invention relates also to compositions polymerisable or crosslinkable under basic conditions comprising such &agr;-ammonium alkenes, iminium alkenes or amidinium alkenes in the form of their tetra- or tri-arylalkylborate salts, to a method of carrying out photochemically induced, base-catalysed reactions, and to the use of such compounds as photoinitiators for base-catalysed reactions.Type: GrantFiled: February 16, 2001Date of Patent: December 3, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Gisèle Baudin, Sean Colm Turner, Allan Francis Cunningham
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Patent number: 6313257Abstract: Polyfunctional mercaptoalkyl-substituted aryl compounds, one and two-part adhesive compositions including the compounds, and methods of making and using the compounds are disclosed. The compounds include one or more aromatic rings, wherein at least one, and in one embodiment, only one aromatic ring is substituted with at least one alkylthio group and at least one oxyalkylthio group, and preferably do not include hydrolyzable linkages. The aromatic nucleus can provide the cured products with higher glass transition temperatures (Tg's) than are available from most commercially available polymercaptans. The adhesive systems include an epoxy resin or other compounds such as terminal olefins which are known to react with thiols (polymerizable material). Preferably, the compounds are used in combination with amine curatives as a two-component curing system for epoxy resins.Type: GrantFiled: March 23, 1999Date of Patent: November 6, 2001Assignee: Lord CorporationInventor: Kirk J. Abbey
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Patent number: 6156815Abstract: 1,2-Disulfones are particularly suitable as thermally and photochemically activatable latent acid catalysts for binder systems which contain at least one acid-curable component.Type: GrantFiled: June 10, 1999Date of Patent: December 5, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Ekkehard Bartmann, Jorg Ohngemach
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Patent number: 5429846Abstract: The present invention provides a photo-setting conductive coating composition which is used as an antistatic material constituting articles wherein static electrification must be avoided, such as storage vessels for semi-conductor wafers, electronic/electric parts, floor/wall coverings for a production factory of semi-conductors, etc.The photo-setting conductive coating composition comprising 100 parts by weight of an antimony oxide-containing tin oxide powder (a) having a particle size of 0.01 to 0.4 .mu.m, 10 to 100 parts by weight of a (meth)acrylate compound (b) having at least two (meth)acryloyl groups in a molecule, 10 to 100 parts by weight of an acetal resin (c) having a residual hydroxyl group of 20 to 80 molar %, 0.1 to 10 parts by weight of a photopolymerization initiator (d) and 100 to 1000 parts by weight of an organic solvent (e).Type: GrantFiled: October 25, 1994Date of Patent: July 4, 1995Assignee: Sekisui Chemical Co., Ltd.Inventors: Toshiya Sugimoto, Minoru Suezaki, Kouji Maruyama
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Patent number: 5399782Abstract: Compounds of formula I ##STR1## wherein n is 0 or 1, p is a number from 1 to 8,q is 2 or 3, andR.sub.1 is unsubstituted phenyl or phenyl which is substituted by one to three halogen, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.2 -C.sub.8 alkoxyalkyl or/and C.sub.1 -C.sub.4 alkylthio, are suitable for use as initiators for photopolymerising compounds containing ethylenically unsaturated double bonds.Type: GrantFiled: March 8, 1993Date of Patent: March 21, 1995Assignee: Ciba-Geigy CorporationInventors: David G. Leppard, Ljubomir Misev, Gebhard Hug
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Patent number: 4826888Abstract: A photopolymerizable composition comprising a vinyl monomer, a mercaptocarboxylic acid/.alpha.-diketone photopolymerization initiator and a storage stabilizer. The composition may admit of a filler, and exhibits excellent mechanical strength, storage stability, color and resistance to coloring, and availability.Type: GrantFiled: April 2, 1986Date of Patent: May 2, 1989Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Isao Sasaki, Nobuhiro Mukai, Hitoshi Ige
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Patent number: 4762887Abstract: A process for preparing radiation polymerizable acrylate-functional organopolysiloxane-urethane copolymers by reacting aminofunctional polysiloxanes with acrylated urethane oligomers in the presence of a solvent.Type: GrantFiled: January 15, 1987Date of Patent: August 9, 1988Assignee: Wacker Silicones CorporationInventors: Roy M. Griswold, Douglas G. Vanderlaan
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Patent number: 4665106Abstract: A radiation curable pressure-sensitive adhesive composition comprising a liquid oligomer having one or more acrylic double bonds in its molecule, a chain transfer agent and an aliphatic polar monomer having a carboxyl group can give an adhesive tape excellent in rubber-like properties, high in cohesive force and good in adhesiveness at low temperatures.Type: GrantFiled: July 23, 1985Date of Patent: May 12, 1987Assignee: Hitachi Chemical Company, Ltd.Inventors: Tomohisa Ohta, Akihiko Dobashi, Hisashige Kanbara, Yasuyuki Seki