Solid Polymer Or Sicp Derived From At Least One Heterocyclic Monomer Or Aldehyde Or Aldehyde Derivative Patents (Class 522/166)
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Patent number: 10689550Abstract: A composition exhibits excellent heat resistance and mounting reliability when bonding a semiconductor power element to a metal lead frame, which is also free of lead and thereby places little burden on the environment. An electrically conductive composition contains at least a sulfide compound represented by R—S—R? (wherein R is an organic group containing at least carbon; R? is an organic group that is the same as or different from R; and R and R? may be bonded to each other to form a so-called cyclic sulfide) and metal particles containing at least Cu, Sn or Ni as its essential component. Further, a conductive paste and a conductive bonding film each are produced using the electrically conductive composition. A dicing die bonding film is obtained by bonding the conductive bonding film with an adhesive tape.Type: GrantFiled: August 21, 2017Date of Patent: June 23, 2020Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 10238595Abstract: An oral care composition in the form of a toothpaste, tooth gel, dentifrice, tooth powder, prophy paste, mouthwash, rinse, tooth mousse, dental floss, chewing gum, soluble oral care strip or film for direct application or attachment to an oral surface, or lozenge for combating dental caries, erosion, hypersensitivity, and/or staining that includes an orally acceptable carrier and a copolymer of a first ?, ?-ethylenically unsaturated phosphate compound (A); and one or more ?, ?-ethylenically unsaturated co-monomers, at least one of which is other than an allyl-functional co-monomer, wherein (A) is an allyl phosphate compound of formula (A): [CH2?CH—CH2—O(R1O)a(R2O)b]xP(O)(OM)3-x??(A) wherein, R1 is a substituted or unsubstituted (C2-C4) alkylene moiety; R2 is a substituted or unsubstituted (C2-C4) alkylene moiety; M is identical or different, hydrogen, alkali metal, ammonium, protonated alkyl amine, protonated alkanolamine, or protonated basic amino acid; X is 1 or 2, a is from 1 to 20; and b is from 0 to 20Type: GrantFiled: November 9, 2017Date of Patent: March 26, 2019Assignee: RHODIA OPERATIONSInventors: Robert Lee Reierson, Denis Bendejacq
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Patent number: 9675529Abstract: Provided are novel high refractive index monomers, and dental resins containing the same.Type: GrantFiled: April 8, 2014Date of Patent: June 13, 2017Assignee: 3M Innovative Properties CompanyInventors: Ahmed S. Abuelyaman, Ann R. Fornof, Larry R. Krepski, William H. Moser
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Patent number: 9259864Abstract: Disclosed herein is a method for producing a part comprising at least one layer of fiber-reinforced composite material. Said method encompasses at least the following steps: a) the at least one layer of polymerizable fiber-reinforced composite material is arranged in a shape that has a base and a plurality of elevations; b) at least one mold is placed so as to be in contact with at least one elevation, said mold having a microwave-sensitive material at least on one contact surface towards the at least one elevation; c) the at least one elevation is polymerized by irradiating the at least one mold with microwaves. The mold used has a stable three-dimensional shape and has a contact surface for the part. At least the contact surface is made of microwave-sensitive material.Type: GrantFiled: June 16, 2009Date of Patent: February 16, 2016Assignee: GKN Aerospace Services LimitedInventor: Thomas Mathias Herkner
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Publication number: 20150099127Abstract: Disclosed herein is an adhesive composition for polarizing plates having increased adhesion by preventing curing inhibition due to moisture. The present invention provides an adhesive composition for polarizing plates, comprising: (A) a radical polymerizable monomer; (B) a cationic polymerizable monomer; (C) an unsaturated dicarboxylic acid anhydride; and (D) an initiator.Type: ApplicationFiled: February 14, 2013Publication date: April 9, 2015Inventors: Hirosh Ogawa, Tatsuhiro Suwa
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Patent number: 8987343Abstract: Process for manufacturing a polymer by polycondensation of a hydroxy acid, said polymer comprising at least 80% by weight of units that correspond to the hydroxy acid, according to which at least one polyfunctional reactant capable of giving rise to the formation of a three-dimensional polymer network is mixed with the hydroxy acid, and according to which the mixture is subjected to temperature and pressure conditions and for a duration which are all suitable for giving rise to the formation of the network. Poly(hydroxy acid) (PHA) obtainable by such a process.Type: GrantFiled: April 2, 2010Date of Patent: March 24, 2015Assignee: Solvay SAInventor: Henri Wautier
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Patent number: 8952078Abstract: This invention relates to a printing ink and in particular to an ink for ink-jet printing which is cured by irradiation. The ink comprises at least one radiation-curable monomer; at least one passive thermoplastic resin; at least one radical photoinitiator; and at least one colouring agent; wherein the ink has a viscosity of less than 100 mPas at 25° C., and wherein the at least one passive resin is present at 2 to 15 wt % based on the total weight of the ink and has a molecular weight of 1,500 to 70,000.Type: GrantFiled: July 4, 2007Date of Patent: February 10, 2015Assignee: Sericol LimitedInventor: Nigel Paul Gould
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Patent number: 8940808Abstract: Disclosed is a curable coating agent composition which exhibits excellent wear resistance and weather resistance when applied as a coating agent to plastic or other substrates to be used outdoors. The curable coating agent composition comprises 95 to 65 parts by mass of a component (A) comprising an urethane adduct compound having weather resistance, 5 to 35 parts by mass of a component (B) comprising a specific organosilicon compound, 0.1 to 10 parts by mass of a component (C) which is a radical polymerization initiator, 1 to 12 parts by mass of a component (D) which is an ultraviolet ray absorber, and 10 to 1,000 parts by mass of a component (E) which is an organic solvent, with respect to 100 parts by mass of the components (A) and (B) in total.Type: GrantFiled: October 13, 2010Date of Patent: January 27, 2015Assignees: Kabushiki Kaisha Toyota Jidoshokki, Toagosei Co., Ltd.Inventors: Tetsuya Mitsuoka, Hidetaka Hayashi, Toshihisa Shimo, Kyoko Kumagai, Naoharu Ueda, Kazumasa Inata, Takeshi Fujita, Yasuyuki Sanai, Eiichi Okazaki, Hiroshi Suzuki, Naomasa Furuta
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Publication number: 20140302328Abstract: Provided are an adhesive for a polarizing plate and a polarizing plate comprising the same, and more particularly, an adhesive composition for a polarizing plate comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator, as well as a polarizing plate comprising a polarizer, a polymer film adhered to one side or both sides of the polarizer, and an adhesive layer for bonding the polarizer and the polymer film, in which the adhesive layer is formed of an adhesive composition comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator.Type: ApplicationFiled: June 23, 2014Publication date: October 9, 2014Inventors: Sae-Han CHO, Eun-Mi SEO, Boong-Goon JEONG, Kyun-Il RAH, Nam-Jeong LEE
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Patent number: 8841354Abstract: The invention provides a method for the manufacture of a catheter comprising a hydrophilic gel. The method comprising the steps of combining a polymeric photoinitiator of the general formula (I): R1(A1)r-(R2(A2)m-O)o—(R3(A3)n-O)p—R4(A4)s??(I) with one or more gel-forming polymers and/or gel-forming monomers to form a matrix composition, curing the matrix composition by exposing it to UV radiation, exposing the matrix composition to a swelling medium and incorporating the hydrophilic gel into a catheter. The invention also provides autocuring of the polymeric photoinitiator (I) to provide a gel precursor, a hydrophilic gel and a catheter comprising or coated with the hydrophilic gel of the invention.Type: GrantFiled: June 22, 2011Date of Patent: September 23, 2014Assignee: Coloplast A/SInventors: Christian B. Nielsen, Niels Joergen Madsen
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Publication number: 20140077420Abstract: A UV curing system and method for manufacture and repair of composite parts, such as for use in wind blade manufacture and repair is disclosed. The system and method utilize UV as the single radiation source to cure laminates such as glass fiber reinforced laminates containing a photo initiator. The use of Co naphthenate or phenoxyethyl methacrylate in the curing of thick laminates produces high glass transition and complete curing of thick laminates. The addition of cobalt naphthenate and phenoxyethyl methacrylate shows no significant reduction on the bonding strength.Type: ApplicationFiled: September 14, 2012Publication date: March 20, 2014Applicant: GENERAL ELECTRIC COMPANY, A NEW YORK CORPORATIONInventors: Xiaomei Fang, Jordan P. Seeger
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Publication number: 20130244041Abstract: Provided are an adhesive for a polarizing plate and a polarizing plate comprising the same, and more particularly, an adhesive composition for a polarizing plate comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator, as well as a polarizing plate comprising a polarizer, a polymer film adhered to one side or both sides of the polarizer, and an adhesive layer for bonding the polarizer and the polymer film, in which the adhesive layer is formed of an adhesive composition comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator.Type: ApplicationFiled: September 20, 2011Publication date: September 19, 2013Applicant: LG CHEM. LTD.Inventors: Sae-Han Cho, Eun-Mi Seo, Boong-Goon Jeong, Kyun-Il Rah, Nam-Jeong Lee
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Publication number: 20130145931Abstract: The present invention discloses a new type of high selectivity UV-cross-linked tetrazole group functionalized polymer nanosieve (TZPIM) membranes, their preparation, as well as their use for gas and liquid separations. The UV-cross-linked TZPIM membrane showed more than 50% improvement in CO2/CH4 selectivity and more than 30% improvement in CO2/N2 selectivity compared to the uncross-linked TZPIM membrane for CO2/CH4 and CO2/N2 separations, respectively.Type: ApplicationFiled: October 18, 2012Publication date: June 13, 2013Applicant: UOP LLCInventor: UOP LLC
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Patent number: 8461225Abstract: The present invention relates to methods for making oxidation resistant homogenized polymeric materials and medical implants that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion and annealing the antioxidant doped UHMWPE in a super critical fluid, and materials used therein.Type: GrantFiled: August 18, 2006Date of Patent: June 11, 2013Assignee: The General Hospital CorporationInventors: Orhun K. Muratoglu, Ebru Oral
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Patent number: 8420296Abstract: Disclosed is a photosensitive resin composition for a color filter protective layer including a cross-linkable alkali soluble resin including a repeating unit represented by the following Chemical Formula 1, a reactive unsaturated compound, a photopolymerization initiator, and a solvent. In Chemical Formulae 1 to 3, R1 to R6 and A1 to A3 are the same as in the detailed description.Type: GrantFiled: August 26, 2010Date of Patent: April 16, 2013Assignee: Cheil Industries Inc.Inventors: Jae-Hyun Kim, Se-Young Choi, Nam-Gwang Kim, Eui-June Jeong, Chang-Min Lee
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Publication number: 20130090406Abstract: The invention provides a method for the manufacture of a catheter comprising a hydrophilic gel. The method comprising the steps of combining a polymeric photoinitiator of the general formula (I): R1(A1)r-(R2(A2)m-O)o—(R3(A3)n-O)p—R4(A4)s??(I) with one or more gel-forming polymers and/or gel-forming monomers to form a matrix composition, curing the matrix composition by exposing it to UV radiation, exposing the matrix composition to a swelling medium and incorporating the hydrophilic gel into a catheter. The invention also provides autocuring of the polymeric photoinitiator (I) to provide a gel precursor, a hydrophilic gel and a catheter comprising or coated with the hydrophilic gel of the invention.Type: ApplicationFiled: June 22, 2011Publication date: April 11, 2013Applicant: Coloplast A/SInventors: Christian B. Nielsen, Niels Joergen Madsen
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Patent number: 8415437Abstract: The present invention relates to melamine-formaldehyde resins bearing (meth)acrylic groups, to processes for preparing them, to their use, and to coating compositions comprising them.Type: GrantFiled: August 2, 2010Date of Patent: April 9, 2013Assignee: BASF SEInventors: Reinhold Schwalm, Christine Roesch
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Patent number: 8354459Abstract: An object of the present invention is to provide a method for producing a block copolymer solid in which microphase-separated structures are formed with good productivity. The present invention provides a method for producing a block copolymer solid in which a microphase-separated structure is formed, or an alloy, blend or composite solid containing a block copolymer in which a microphase-separated structure is formed, which comprises the following steps (1) to (3): (1) immersing a block copolymer solid or an alloy, blend or composite solid containing a block copolymer in a solvent in which each component is insoluble; (2) putting the solid obtained in (1) above in a pressure-resistant container; and (3) irradiating the solid or the solvent in (2) above with microwave.Type: GrantFiled: August 17, 2010Date of Patent: January 15, 2013Assignee: Japan Science and Technology AgencyInventors: Hiroshi Yabu, Takeshi Higuchi
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Patent number: 8329773Abstract: The invention relates to holographic media containing specific photopolymers, a process for the production thereof, and unsaturated glycidyl ether acrylate urethanes as writing monomers which are suitable for the preparation of photopolymers.Type: GrantFiled: February 16, 2010Date of Patent: December 11, 2012Assignee: Bayer MaterialScience AGInventors: Thomas Fäcke, Friedrich-Karl Bruder, Marc-Stephan Weiser, Thomas Rölle, Dennis Hönel
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Publication number: 20120283352Abstract: Provided is an RTM moldable chain curing resin composition which can be molded with less energy in a short time, and which makes it possible to obtain a cured product that is superior in mechanical strength. A chain curing resin composition of the present invention includes an alicyclic epoxy compound (A) having two cyclohexene oxides in a molecule and a specific modified bisphenol A-type epoxy resin (B), and the content of the alicyclic epoxy compound (A) is 25 to 90% by mass, when the total of the component (A) and the component (B) is taken as 100% by mass.Type: ApplicationFiled: October 4, 2010Publication date: November 8, 2012Inventors: Atsushi Nohara, Manabu Kaneko, Noriya Hayashi
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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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Publication number: 20120156780Abstract: A method of surface modification of a biocompatible, biodegradable polymer substrate using RF plasma treatment is disclosed. This method and the resulting surface provide for enhanced adhesion and proliferation of cells, such as hKDCs, and can be used with scaffolds for tissue regeneration and with other delivery vehicles such as medical devices.Type: ApplicationFiled: December 21, 2010Publication date: June 21, 2012Inventors: Kevin L. Cooper, Alisha Martin, Sriram Natarajan, Robert Vetrecin, Changdeng Liu
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Publication number: 20120157563Abstract: A solid phase peptide synthesis method is disclosed. The method includes the steps of deprotecting an amino group in its protected form that is protected with a protecting group that includes an ?,?-unsaturated sulfone; washing the deprotected acid in a solvent selected from the group consisting of water, alcohol, and mixtures of water and alcohol; coupling the deprotected acid to a resin-based peptide or a resin-based amino acid; and washing the coupled composition in a solvent selected from the group consisting of water, alcohol, and mixtures of water and alcohol.Type: ApplicationFiled: February 1, 2012Publication date: June 21, 2012Applicant: CEM CORPORATIONInventor: Jonathan M. Collins
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Publication number: 20120129971Abstract: The present invention relates to polymers which contain hydroxyl groups and acrylate groups, to processes for preparing them, and to their use.Type: ApplicationFiled: July 15, 2010Publication date: May 24, 2012Applicant: BASF SEInventors: Harm-Anton Klok, Sanhao Ji, Bernd Bruchmann, Christine Roesch
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Patent number: 8163812Abstract: The present invention relates to a method of making polyacetal compositions and molded articles of these, which comprise at least one mineral filler that has not been previously coated before being mixed into the compositions.Type: GrantFiled: December 1, 2009Date of Patent: April 24, 2012Assignee: E.I. du Pont de Nemours and CompanyInventor: Andreas Renken
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Publication number: 20120027973Abstract: Process for manufacturing a polymer by polycondensation of a hydroxy acid, said polymer comprising at least 80% by weight of units that correspond to the hydroxy acid, according to which at least one polyfunctional reactant capable of giving rise to the formation of a three-dimensional polymer network is mixed with the hydroxy acid, and according to which the mixture is subjected to temperature and pressure conditions and for a duration which are all suitable for giving rise to the formation of the network. Poly(hydroxy acid) (PHA) obtainable by such a process.Type: ApplicationFiled: April 2, 2010Publication date: February 2, 2012Applicant: SOLVAY SAInventor: Henri Wautier
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Patent number: 7994232Abstract: The invention provides a photo-curable composition that addresses degradation in dispersibility caused by the use of a pigment, and has good color tone and high light fastness. The photo-curable composition includes: a polymerizable compound; a polymerization initiator; and a dye represented by Formula (1): in which, A1, A2 and A3 each represent a monovalent group, and Z represents a nitrogen atom, an oxygen atom, a sulfur atom, or a monovalent group-bonded carbon atom, the dye represented by Formula (1) having two azo groups in a molecule thereof.Type: GrantFiled: August 12, 2008Date of Patent: August 9, 2011Assignee: FUJIFILM CorporationInventors: Hideo Hanawa, Yoshiharu Yabuki
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Patent number: 7910631Abstract: A photosensitive resin composition which is excellent in flame resistance, resolution and flexibility, and substantially free from deposition of components thereof to prevent contamination of a product. The photosensitive resin composition comprises: (A) a cyclic phosphazene compound represented by the following general formula (1): wherein at least one of the Rs is an organic group having the urethane(meth)acrylate structure represented by the following general formula (2) and n is a positive number of 2 to 5: wherein R1 is a hydrogen atom or a methyl group; (B) a carboxyl-containing linear polymer obtained by polymerizing an ethylenically unsaturated compound through addition polymerization; (C) an epoxy resin; (D) an ethylenically unsaturated group-containing polymerizable compound; and (E) a photopolymerization initiator; wherein the cyclic phosphazene compound (A) is present in a proportion of 5 to 30 wt % based on the total weight of the composition.Type: GrantFiled: October 16, 2008Date of Patent: March 22, 2011Assignee: Nitto Denko CorporationInventors: Hirofumi Fujii, Katsutoshi Hirashima, Masaki Mizutani, Kyouyuu Jo
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Patent number: 7824844Abstract: The invention relates to an antireflective coating composition capable of being coated beneath a photoresist layer, where the antireflective coating composition comprises a polymeric crosslinker and a solvent mixture, where the solvent mixture comprises at least one primary organic solvent and at least one secondary organic solvent selected from any of structures 1, 2 and 3, where, R1, R3, and R4, are selected from H and C1-C6 alkyl, and R2, R5, R6, R7, R8, and R9 are selected from C1-C6 alkyl, and n=1-5. The invention also relates to an antireflective coating composition capable of being coated beneath a photoresist layer, where the antireflective coating composition comprises a polymeric crosslinker and a solvent mixture, where the solvent mixture comprises at least 2 organic solvents, and where the antireflective coating composition has a liquid particle count at 0.2 micron of less than 100/ml after accelerated aging.Type: GrantFiled: January 19, 2007Date of Patent: November 2, 2010Assignee: AZ Electronic Materials USA Corp.Inventors: Zhong Xiang, Hengpeng Wu, Hong Zhuang, Eleazar Gonzalez, Mark O. Neisser
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Patent number: 7759407Abstract: The present invention is directed to a composition of adhering together first and second materials. The composition features a multi-functional reactive compound that includes a backbone group and first and second functional groups; a cross-linker, and a catalyst. The first functional group is responsive to a first actinic energy to form cross-linked molecules and to adhere a subset of the cross-linked molecules to the first material. The second functional group is responsive to a second actinic energy, differing from the first actinic energy to adhere to the second material.Type: GrantFiled: July 22, 2005Date of Patent: July 20, 2010Assignee: Molecular Imprints, Inc.Inventor: Frank Y. Xu
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Publication number: 20100155934Abstract: A molding compound comprising a resin, a filler, and a carbon nano-tube dispersion is disclosed. The carbon nano-tube dispersion achieves a low average agglomeration size in the molding compound thereby providing desirable electromechanical properties and laser marking compatibility. A shallow laser mark may be formed in a mold cap with a maximum depth of less than 10 microns.Type: ApplicationFiled: December 23, 2008Publication date: June 24, 2010Inventors: Myung Jin Yim, Jason Brand
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Patent number: 7728048Abstract: the invention provides a composition having laser engraving properties, comprising a host material and a laser enhancing additive. The host material comprises a material, such as a polymer, modified by a first process, whereby the host material as modified by the first process has increased thermal conductivity as compared to the host material before the first process. The laser enhancing additive comprises a first quantity of at least one of copper potassium iodide (CuKI3), Copper Iodide (CuI), potassium iodide (KI), sodium iodide (NaI), and aluminum iodide (AlI), and a second quantity of at least one substance selected from the group consisting of zinc sulfide (ZnS), barium sulfide (BaS), alkyl sulfonate, and thioester.Type: GrantFiled: September 30, 2003Date of Patent: June 1, 2010Assignee: L-1 Secure Credentialing, Inc.Inventor: Brian Labrec
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Patent number: 7700664Abstract: The invention relates to polymer compositions of carbonyl-hydrogenated ketone-aldehyde resins and polyisocyanates in reactive solvents, to a process for their preparation and to the use, particularly in radiation-curable coating materials and adhesives.Type: GrantFiled: March 4, 2005Date of Patent: April 20, 2010Assignee: Degussa AGInventors: Patrick Glöckner, Andreas Wenning, Peter Denkinger
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Publication number: 20100075393Abstract: The present invention is an apparatus, system and method for forming nanoscale architectures having nanoparticles bound thereto. The present invention provides a photon beam crosslinked polymer matrix, wherein the crosslinked matrix includes one or more polymers crosslinked to one or more crosslinking agents and one or more protein-coated metal nanoparticles.Type: ApplicationFiled: May 23, 2006Publication date: March 25, 2010Applicant: Board of Regents,The University of Texas SystemInventors: Jason B. Shear, Keith J. Stevenson, Ryan T. Hill, Jennifer L. Lyon
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Publication number: 20100062273Abstract: A photosensitive resin composition includes an alkali-soluble resin having a polybenzoxazol precursor structure or a polyimide precursor structure, or both, and a photosensitizer, the alkali-soluble resin having a ratio ([A]/[B]) of a cyclization rate [A] (%) at 250° C. to a cyclization rate [B] (%) at 300° C. of 0.70 or more. According to the present invention, a photosensitive resin composition which is highly sensitive and has high productivity in the manufacture of semiconductor devices, a cured film, a protective film, an insulating film, and a semiconductor device and a display device using the cured film can be provided.Type: ApplicationFiled: February 18, 2008Publication date: March 11, 2010Applicant: SUMITOMO BAKELITE CO., LTDInventors: Hiroaki Makabe, Koji Terakawa
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Patent number: 7666920Abstract: The present invention relates to a radiation curable resin composition which comprises epoxy (meth)acrylate, a monofunctional (meth)acrylate, a bifunctional (meth)acrylate having a specific structure, and a bifunctional (meth)acrylate obtained from an aliphatic dihydric alcohol having an oxyalkylene structure and (meth)acrylic acid and further contains a thermoplastic resin, thereby causing satisfactory adhesion to plastic substrates, sufficient shape retention, and excellent shape recovery properties, and satisfaction in moldability including casting efficiency and shape reproducibility, as well as a high refractive index and appropriateness for use as a lens sheet.Type: GrantFiled: July 15, 2004Date of Patent: February 23, 2010Assignees: Dai Nippon Ink and Chemicals, Inc., Dai Nippon Printing Co., Ltd.Inventors: Hiroyuki Tokuda, Yasunari Kawashima, Yasuhiro Doi
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Publication number: 20090292040Abstract: The invention is a radiation curable liquid resin that can be used to make a clear and colorless, three-dimensional article by a stereolithography process. The clear and colorless three-dimensional articles have a clarity and transmittance of greater than about 67% as measured by UV-Visible spectrophotometer in the 400-500 nm range; and a lack of color as measured by a b* value of between about minus 0.5 (?0.5) and about positive 2.5 (+2.5) in the CIELAB color space using a spectrophotometer in the visible wavelengths of 400-750 nm.Type: ApplicationFiled: July 29, 2009Publication date: November 26, 2009Applicant: DSM IP ASSETS B.V.Inventors: Satyendra Kumar SARMAH, Kevin Andrew ZARAS
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Patent number: 7575851Abstract: A cationic photopolymerizable epoxy resin composition includes an epoxy resin, a cationic photopolymerization initiator, an inhibitor of cationic polymerization and a compound that has a fluoroalkyl group and also has a substituent at its terminal, with the substituent being allowed to cross-link react with the epoxy group of the epoxy resin. The cationic photopolymerizable epoxy resin composition further includes a thermal cationic polymerization catalyst.Type: GrantFiled: June 24, 2005Date of Patent: August 18, 2009Assignee: Canon Kabushiki KaishaInventors: Shoji Shiba, Maki Hatta, Etsuko Hino, Hiroe Ishikura
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Publication number: 20090192239Abstract: This invention relates to polymerizable compositions comprising a salt of a barbituric acid derivative. The compositions are typically shelf-life stable and may be polymerized through mixing of an acidic component with the salt of a barbituric acid derivative.Type: ApplicationFiled: May 31, 2007Publication date: July 30, 2009Inventors: Reinhold Hecht, Manfred Ludsteck, Gioacchino Raia, Joel D. Oxman
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Patent number: 7541391Abstract: Disclosed is an optical device structure comprising a low shrinkage mixture wherein the shrinkage of the mixture is limited after the curing of the mixture during optical device formation. Disclosed also are methods for forming optical devices which comprise the low shrinkage mixture.Type: GrantFiled: September 2, 2005Date of Patent: June 2, 2009Assignee: General Electric CompanyInventors: Thomas Bert Gorczyca, Renato Guida, Kung-Li Justin Deng, Hua Xia
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Patent number: 7507772Abstract: Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked resin may be provided in particulate form, agglomerated, and compressed into a mass of a desired shape with a desired diameter, and subsequently cross-linked.Type: GrantFiled: September 12, 2007Date of Patent: March 24, 2009Assignee: Boston Scientific Scimed, Inc.Inventors: Samuel P. Baldwin, Robert P. Skribiski
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Patent number: 7455949Abstract: A polymer for a heat-sensitive lithographic printing plate precursor is disclosed wherein the polymer comprises a phenolic monomeric unit of which the phenyl group is substituted by a group A characterised in that the group A comprises an imide or thioimide group and wherein the modification of the polymer increases the chemical resistance of the coating of the printing plate precursor.Type: GrantFiled: September 25, 2003Date of Patent: November 25, 2008Assignee: Agfa Graphics, N.V.Inventors: Johan Loccufier, Bert Groenendaal, Huub Van Aert, Marc Van Damme
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Patent number: 7449497Abstract: Monomers (e.g. thinphenes) are caused to polymerise by mixing them with an oxidising agent (and generally a solvent comprising water) and irradiating the mixture with light (visible or UV). Polymer properties can be varied by doping or chemical modification. Uses include sensor elements for assays and electrical components such as electrodes.Type: GrantFiled: March 24, 2003Date of Patent: November 11, 2008Assignee: Cranfield UniversityInventors: Sergey Anatoliyovich Piletsky, Olena Volodimirivna Piletska, Anthony Peter Francis Turner, Khalku Karim, Beining Chen
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Publication number: 20080260851Abstract: The invention relates to polymeric nanoparticles and nanogels, which can contain, deliver, and/or release one or more active agents, such as biologically active molecules or fragrance molecules, and methods of preparing the polymeric nanoparticles and nanogels. The nanoparticles are crosslinked utilizing radiation (g-radiation) as the catalyst for free radical polymerization (see FIG. 1) rather than by toxic chemical means. The nanoparticles and nanogels can be modified, without limitation, with hydrophobic, hydrophilic, or ionic groups or moieties. or with enzymes. Methods of preparing nanoparticles and nanogels containing or encapsulating a variety of molecules, including biologically active molecules and fragrance molecules, are provided.Type: ApplicationFiled: May 13, 2005Publication date: October 23, 2008Applicant: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORKInventors: Ponisseril Somasundaran, Soma Chakraborty
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Patent number: 7423073Abstract: A radiation curable resin composition having improved flexibility. The radiation curable composition having from about 5 to about 50 weight percent of a difunctional polymeric compound; from about 1 to about 10 weight percent of a photoinitiator; from about 1 to about 10 weight percent of a flexibilizer agent, wherein the flexibilizer agent has a molecular weight ranging from about 400 to about 10,000; and about 30 to about 90 weight percent of the non-photoreactive solvent, wherein the weight percents are based on the total weight of the resin composition. Ink jet print heads and ink jet printing apparatusess comprising ink jet print heads utilizing the radiation curable resin compositions are also included.Type: GrantFiled: November 23, 2004Date of Patent: September 9, 2008Assignee: Lexmark International, Inc.Inventors: James M. Mrvos, Girish S. Patil, Karthik Vaideeswaran
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Publication number: 20080200582Abstract: The invention relates to novel sulfur-containing (meth)acrylic monomers and compositions thereof characterized by a high refractive index, for optical and industrial applications. The invention also relates to a method for preparing high refractive index polymeric materials and more specifically to a method for formation of ultraviolet cast optical lenses and compositions thereof comprising the sulfur-containing (meth)acrylic monomers.Type: ApplicationFiled: February 14, 2008Publication date: August 21, 2008Inventors: Liliana Craciun, Orest Polishchuk, George William Schriver, Rudiger Hainz
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Patent number: 7294673Abstract: A method of modifying a polymeric material whereby the polymeric material is modified to give a highly durable surface without decreasing its strength. Namely, a polymeric material is modified by the method comprising a combination of an impregnation step, an activation step, a step of grafting a monomer and a step of a treatment with a hydrophilic polymer. Thus, the hydrophilic nature, adhesiveness, and so forth of polymeric materials such as polyolefins can be improved without causing any decrease in the practical strength. The thus obtained polymeric materials are usable in articles with a need for high water absorptivity and high adhesiveness, for example, water-absorbing materials and water-retaining materials for medical, sanitary, cosmetic articles or supplies, agricultural materials, synthetic papers, filters and fiber products for clothes, for improving adhesiveness of composite materials and the like.Type: GrantFiled: June 28, 2002Date of Patent: November 13, 2007Assignee: FiberMark Gessner GmbH & Co.Inventor: Hitoshi Kanazawa
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Patent number: 7235591Abstract: The present invention relates to an ultraviolet-curable coating composition comprising: (A) an ultraviolet curable four or more functional groups-containing polyfunctional (meth)acrylate having four or more (meth)acryloyl groups in the molecule and a number average molecular weight of 300 to 2,000, (B) a lactone-modified polymer of polyhydric alcohol mono(meth)acrylate containing 20 to 60 percents by weight of ?-caprolactone ring-opening addition product and having a hydroxyl value derived from the lactone modification of 100 to 180 mgKOH/g, and/or a lactone-modified polyester resin containing 10 to 50 percents by weight of lactone ring-opening addition product and having a hydroxyl value of 50 to 180 mgKOH/g, (C) a non-yellow polyisocyanate compound and/or an amino resin, (D) a light stabilizer and, (E) a photopolymerization initiator, wherein a weight ratio of component (A) against to a total weight of component Components (B) and (C) is 10:90 to 50:50, a weight ratio of component (B) against to componentType: GrantFiled: March 20, 2003Date of Patent: June 26, 2007Assignee: BASF Coatings Japan Ltd.Inventors: Takeshi Tsunoda, Shinji Mitsumune
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Patent number: 7217743Abstract: A curable ink for jet-ink recording comprising a white pigment and a polymerizable compound, wherein the polymerizable compound is a compound selected from the group consisting of: (a) oxetane compounds; (b) pyrrole or substituted pyrroles; (c) aniline or substituted anilines; and (d) thiophene or an substituted thiophenes, provided that when the polymerizable compound is the oxetane compound, the curable ink further comprises an epoxy compound or a vinyl ether compound.Type: GrantFiled: July 21, 2003Date of Patent: May 15, 2007Assignee: Konica CorporationInventor: Ai Kondo
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Patent number: RE42593Abstract: A photocurable resin composition suitable for photo-fabrication. The resin composition capable of being promptly cured by photo-irradiation, thereby reducing fabricating time and providing cured products having excellent mechanical strength and minimized shrinkage during curing to ensure high dimensional accuracy. The composition includes (A) an oxetane compound, (B) an epoxy compound, and (C) a cationic photo-initiator.Type: GrantFiled: September 26, 2003Date of Patent: August 2, 2011Assignees: DSM IP Assets B.V., JSR Corporation, Japan Fine Coatings Co., Ltd.Inventors: Tetsuya Yamamura, Tsuyoshi Watanabe, Akira Takeuchi, Takashi Ukachi