Chemical Reactant Contains Nitrogen Patents (Class 522/126)
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Patent number: 6875506Abstract: Polyacrylates obtainable by thermal crosslinking of a polymer mixture comprising the following components: a) a polyacrylate copolymer of the following monomers a1) acrylates and/or methacrylates of the following formula CH2?CH(R1)(COOR2), ?where R2?H or CH3 and R2 is an alkyl chain with 1-20 carbon atoms, at 65-99% by weight, based on a), a2) olefinically unsaturated monomers containing functional groups, at 0-15% by weight, based on a), a3) acrylates and/or methacrylates whose alcohol component contains tert-butoxycarbonyl (BOC) and/or hydroxyl groups, at 1-20% by weight, based on a), at 80-99.8% by weight, based on the polymer mixture, b) a polymerization regulating photoinitiator at 0.1-15% by weight, based on the polymer mixture, c) difunctional isocyanate and/or difunctional epoxide at 0.1-5% by weight, based on the polymer mixture.Type: GrantFiled: February 7, 2001Date of Patent: April 5, 2005Assignee: tesa AGInventors: Marc Husemann, Stephan Zöllner
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Patent number: 6852802Abstract: An object of the present invention is to provide a heavy metal ion scavenger having more excellent scavenging performance than previously. In order to attain this object, organic polymer materials of the present invention are characterized in that they have a polymer side chain derived from a haloalkyl-substituted styrene on the backbone of an organic polymer base and a functional group capable of forming a complex with a heavy metal ion has been introduced onto said polymer side chain. These organic polymer materials have excellent heavy metal ion scavenging performance so that they can be suitably used as heavy metal ion scavengers.Type: GrantFiled: October 20, 2000Date of Patent: February 8, 2005Assignee: Ebara CorporationInventors: Makoto Komatsu, Kazuyoshi Takeda, Kunio Fujiwara, Takeshi Takai
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Patent number: 6841587Abstract: Provided are a UV-curable pressure-sensitive adhesive composition comprising a photoinitiator which has a molar absorptivity at 365 nm of at least 1,000 mol?1·cm?1 and the maximum absorption wavelength of at least 420 nm on a long wavelength side; and an adhesive sheet having a layer of the composition disposed over a photo-transmitting base film. The pressure-sensitive adhesive sheet according to the invention can be cured even by exposure to ultraviolet rays at a low intensity or for short time so that it can contribute to energy saving and productivity improvement as a sheet for processing, fixation or surface protection of a semiconductor wafer.Type: GrantFiled: July 21, 2003Date of Patent: January 11, 2005Assignee: Nitto Denko CorporationInventor: Shouji Yamamoto
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Publication number: 20040214912Abstract: Coating materials curable thermally and with actinic radiation, comprisingType: ApplicationFiled: January 13, 2004Publication date: October 28, 2004Inventors: Heinz-Peter Rink, Hubert Baumgart, Uwe Conring
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Patent number: 6740365Abstract: Coating compounds curable by means of high-energy radiation, comprising as binder A) at least one (meth)acrylic copolymer containing olefinic double bonds capable of free-radical polymerization and hydroxyl groups with a C═C equivalent weight from 100 to 10,000 and an OH-value from 20 to 250 mg KOH/g, which is prepared from monomers comprising: A1) at least one olefinically unsaturated, epoxy-functional monomer capable of free-radical polymerization, A2) at least one olefinically unsaturated, carboxy-functional monomer capable of free-radical polymerization and A3) at least one further olefinically unsaturated monomer capable of free-radical polymerization which is different from A1) and A2), and B) at least one component with free isocyanate groups and process for multilayer coating using the coating compounds.Type: GrantFiled: April 15, 2003Date of Patent: May 25, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Morenike Awokola, Carmen Flosbach, Helmut Loeffler, Volker Paschmann
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Patent number: 6706408Abstract: An inorganic substrate with two or more coating layers is provided. The first coating layer is attached to the inorganic substrate and includes the polymeric reaction product formed upon hydrolysis of a silane compound having at least two tri(C1-C3)alkoxysilyl groups. The second and subsequent coating layers include at least one hydrophilic polymer and at least one photoactivatable cross-linking agent. The inorganic substrate can be a medical device suitable for insertion into the body of a mammal. The coatings are tenacious and not easily removed from the inorganic substrate by abrasion.Type: GrantFiled: May 16, 2002Date of Patent: March 16, 2004Assignee: SurModics, Inc.Inventor: Bruce M. Jelle
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Patent number: 6693141Abstract: The invention relates to the use of surface-active photoinitiators of formula I the units being arranged randomly or in blocks, and wherein n is a number from 1 to 1000; m is a number from 0 to 100; p is a number from 0 to 10,000; x is the number 1, or, when n is 1, x may also be the number 2; A1 and A2 are, for example, C1-C18alkyl; or A1 and A2 together are a single bond; R1, R2 and R3 are, for example, each independently of the others C1-C18alkyl, phenyl or C5-C8cycloalkyl; R4 is, for example, unsubstituted or substituted C1-C18alkyl, unsubstituted or substituted phenyl or C5-C8cycloalkyl; IN, when x is 1, is a radical of formula when x is 2, is a radical of formula R13 and R14 are, for example, each independently of the other C1-C12alkyl; Y is, for example, —(CH2)a—O—; X is OR15 or N(R16)(R17); R15 is, for example, hydrogen or C1-C4alkyl; R16 and R17 are, for example, hydrogen or C1-C12alkyl; X1 has, for example, one of the meanings oType: GrantFiled: December 21, 2001Date of Patent: February 17, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Gisèle Baudin, Tunja Jung
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Patent number: 6610762Abstract: An adhesive composition which is switchable under irradiation to change from a tacky to a less tacky state which includes a switchable polymer. The polymer comprises a backbone polymeric moiety bound to a plurality of curable moieties, each of which comprises a free-radically active group and has an amine functionality. Also, the switchable polymer, processes for producing such polymers and compositions, and switchable adhesive articles comprising the adhesive compositions, such as light-switchable pressure sensitive adhesive dressings, and methods of using such articles.Type: GrantFiled: May 9, 2000Date of Patent: August 26, 2003Assignee: Smith & Nephew PlcInventor: Iain Webster
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Patent number: 6605669Abstract: Coating compounds curable by means of high-energy radiation, comprising as binder A) at least one (meth)acrylic copolymer containing olefinic double bonds capable of free-radical polymerization and hydroxyl groups with a C═C equivalent weight from 100 to 10,000 and an OH-value from 20 to 250 mg KOH/g, which is prepared from monomers comprising: A1) at least one olefinically unsaturated, epoxy-functional monomer capable of free-radical polymerization, A2) at least one olefinically unsaturated, carboxy-functional monomer capable of free-radical polymerization and A3) at least one further olefinically unsaturated monomer capable of free-radical polymerization which is different from A1) and A2), and B) at least one component with free isocyanate groups and process for multilayer coating using the coating compounds.Type: GrantFiled: April 3, 2001Date of Patent: August 12, 2003Assignee: E. I. du Pont de Nemours and CompanyInventors: Morenike Awokola, Carmen Flosbach, Helmut Loeffler, Volker Paschmann
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Patent number: 6596786Abstract: There is provided a radiation-curable coating composition containing oligomers that each have two end groups X1 and X2, wherein the end groups X1 and X2, which may be the same or different, are a photoinitiator group or an adhesion promoter group. The coating composition may exclude the presence of non-reactive photoinitiator groups and non-reactive adhesion promoter groups, each of which would fail to covalently bond itself to an oligomer backbone.Type: GrantFiled: August 17, 2001Date of Patent: July 22, 2003Assignee: AlcatelInventors: Michael B. Purvis, Igor V. Khudyakov, Bob Overton, Todd W. Gantt
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Patent number: 6579913Abstract: Photoactivatable coating composition comprising at least one photoinitiator and a base-catalysed polymerisable or curable organic material comprising at least one polyisocyanate and at least one compound containing isocyanate reactive groups, wherein the isocyanate reactive groups comprise at least one thiol group and the photoinitiator is a photolatent base. Preference is given to a coating composition wherein the photolatent base is selected from the group of N-substituted 4-(ortho-nitrophenyl) dihydropyridine, a quaternary organo-boron photoinitiator, and an &agr;-amino acetophenone. The composition additionally may comprise an organic acid, a metal complex and/or a metal salt as a cocatalyst and/or a sensitiser selected from the group of thioxanthones, oxazines, rhodamines, and preferably from the group of benzo-phenone and derivatives thereof.Type: GrantFiled: May 24, 2001Date of Patent: June 17, 2003Assignee: Akzo Nobel N.V.Inventors: Huig Klinkenberg, Josephus Christiaan Van Oorschot
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Publication number: 20030091602Abstract: The present invention relates to a method of treating a cosmetic composition, which comprises treating the cosmetic composition with NIR radiation before, during or after application.Type: ApplicationFiled: January 2, 2001Publication date: May 15, 2003Inventors: Helmut Witteler, Rainer Blum, Peter Hossel, Axel Sanner, Reinhold Schwalm, Wilma M. Dausch, Thomas Jaworek, Rainer Koniger
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Publication number: 20030078315Abstract: The dual cure coating composition requires electromagnetic radiation and heat energy to cure and comprises a radiation curable component (a1), a thermally curable binder component (a2), and a thermally curable crosslinking component (a3). Radiation curable component (a1) is polymerizable upon exposure to electromagnetic radiation and comprises at least two functional groups (a11) comprising at least one bond activatable with electromagnetic radiation. Thermally curable binder component (a2) is polymerizable upon exposure to heat and comprises (a21) at least two functional groups which are reactive with functional groups (a31) and no more than 5% by weight of aromatic ring moieties (a22), based on the nonvolatile weight of thermally curable binder component (a2). Third component (a3) comprises at least 2.0 isocyanate groups per molecule. The invention further comprises methods of making coated surfaces having both optimum porosity sealing and adhesion.Type: ApplicationFiled: August 28, 2001Publication date: April 24, 2003Inventors: Christopher J. Bradford, Marcy Zimmer, Ryan F. O'Donnell, Lyle Caillouette, Jennifer A. Rischke
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Publication number: 20030078316Abstract: The coating composition comprises a radiation curable component (a1), a thermally curable binder component (a2), a thermally curable crosslinking component (a3), and optionally, one or more reactive diluents (a4). Radiation curable component (a1) is polymerizable upon exposure to electromagnetic radiation and comprises at least two functional groups (a11) comprising at least one bond activatable with electromagnetic radiation. Thermally curable binder component (a2) is polymerizable upon exposure to heat and has at least two functional groups (a21) which are reactive with functional groups (a31). Third component (a3) comprises at least 2.0 functional groups (a31) which are reactive with functional groups (a21). The value of UV/TH, the nonvolatile weight ratio of the sum of radiation curable component (a1) and optional reactive diluent (a4) to the sum of thermally curable binder component (a2) and thermally curable crosslinking component (a3) is from 0.20 to 0.60.Type: ApplicationFiled: August 28, 2001Publication date: April 24, 2003Inventors: Christopher J. Bradford, Marcy Zimmer, Ryan F. O'Donnell, Lyle Caillouette, Jennifer A. Rischke
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Publication number: 20030054284Abstract: According to the present invention, there are provided an insulating film for an organic EL element, which has sufficiently low water permeability and a good sectional form and whose reactivity with a basic material and an electrode made from a metal having a low work function is suppressed, an insulating film for an organic EL element, which enables the formation of a through hole or U-shaped cavity therein and has excellent flattening performance, high transparency and high resistance to a resist stripper, and a radiation sensitive resin composition for forming the insulating film.Type: ApplicationFiled: March 27, 2002Publication date: March 20, 2003Inventors: Masayoshi Suzuki, Hirofumi Sasaki, Isao Nishimura, Fumiko Yonezawa, Masayuki Endo, Kazuaki Niwa
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Patent number: 6518327Abstract: Graft copolymers are prepared, in a non-oxidizing atmosphere, by (1) irradiating a particulate olefin polymer material with high energy ionizing radiation, (2) treating the irradiated olefin polymer material with at least one grafting monomer that is capable of forming side chains on the olefin polymer material, in the presence of at least one additive to control the molecular weight of the side chains of the polymerized grafting monomer selected from (a) at least one hydroxylamine derivative polymerization inhibitor, and (b) at least one thio-, nitro-, or halogen-substituted aliphatic or aromatic compound or an aliphatic or aromatic phosphine derivative, and (3) deactivating the residual free radicals in the resulting grafted olefin polymer material and removing any unreacted vinyl monomer from the material. Graft copolymers with low molecular weight side chains are produced that are easier to process and have improved internal and surface morphology.Type: GrantFiled: November 2, 2000Date of Patent: February 11, 2003Assignee: Basell Poliolefine Italia S.p.A.Inventors: Vu A. Dang, Tam T. M. Phan, Jeanine A. Smith, Cheng Q. Song
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Patent number: 6512020Abstract: Compounds of formula I, II and III, wherein wherein R1 is for example hydrogen, C1-C12alkyl, C3-C30cycloalkyl, C2-C12alkenyl, C4-C8cycloalkenyl, phenyl, which is unsubstituted or substituted, naphthyl, anthracyl or phenanthryl, unsubstituted or substituted, heteroaryl radical which is unsubstituted or substituted; wherein all radicals R1 with the exception of hydrogen can additionally be substituted by a group having a —O—C-bond or a —O—Si-bond which cleaves upon the action of an acid; R′1 is for example phenylene, naphthylene, diphenylene or oxydiphenylene, wherein these radicals are unsubstituted or substituted; R2 is halogen or C1-C10haloalkyl; R3 is for example C1-C18alkylsulfonyl, phenylsulfonyl, naphthylsulfonyl, anthracylsulfonyl or phenanthrylsulfonyl, wherein the groups are unsubstituted or substituted, or R3 is e.g.Type: GrantFiled: March 28, 2001Date of Patent: January 28, 2003Assignee: Ciba Specialty Chemicals CorporationInventors: Toshikage Asakura, Hitoshi Yamato, Masaki Ohwa, Jean-Luc Birbaum, Kurt Dietliker, Junichi Tanabe
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Patent number: 6503989Abstract: A monolayer polyolefin-based printable article includes 0.1 to 5% by weight of at least one polyaminoalkylene, and is characterized in that it has been treated by means of an oxidative surface treatment, such as a corona treatment. A process for the manufacture of a polyolefin-based printable article, according to which at least one surface region of the article, including at least one polyolefin and from 0.1 to 5% by weight of at least one polyaminoalkylene, involves subjecting the region to an oxidative surface treatment. A printing process, according to which a polyolefin-based article, including from 0.1 to 5% by weight of at least one polyaminoalkylene and treated by means of an oxidative surface treatment, utilizes an electrophotography technique to print on the article.Type: GrantFiled: July 24, 2000Date of Patent: January 7, 2003Assignee: Solvay (Societe Anonyme)Inventor: Zdenek Hruska
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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: 6485886Abstract: New oxime derivatives of formula (I) or. (II), wherein m is 0 or 1; R1 inter alia is phenyl, naphthyl, anthracyl, phenanthryl or a heteroaryl radical; R′1 is for example C2-C12alkylene, phenylene, naphthylene; R2 is CN; R3 is C2-C6haloalkanoyl, halobenzoyl, a phosphoryl or an organosilyl group; R4, R5, R10 and R11 inter alia are hydrogen, C1-C6alkyl, C1-C6alkoxy; R6 inter alia is hydrogen phenyl, C1-C12alkyl; R7 and R8 inter alia are hydrogen, C1-C12alkyl; or R7 and R8, together with the nitrogen atom to which they are bonded, form a 5-, 6 or 7-membered ring; R9 is for example C1-C12alkyl; and A inter alia is S, O, NR7a; are useful as latent acids, especially in photoresist applications.Type: GrantFiled: April 24, 2001Date of Patent: November 26, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Hitoshi Yamato, Toshikage Asakura, Jean-Luc Birbaum, Kurt Dietliker
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Patent number: 6472452Abstract: Ethylene copolymer elastomer compositions, acrylate rubber compositions, nitrile rubber compositions, fluoroelastomer compositions, and chlorinated elastomer compositions are provided which are curable by exposure to UV radiation. The compositions are particularly suited for production of elastomeric seals using hot melt equipment and a gasketing in place technique.Type: GrantFiled: April 26, 2001Date of Patent: October 29, 2002Assignee: DuPont Dow Elastomers, L.L.C.Inventor: Christian Ruepping
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Patent number: 6472451Abstract: A UV-curable acrylate base adhesive composition for digital versatile discs and other substrates, a method for bonding verstile digital disc layers together with a UV-curable adhesive, and a digital versatile disc bonded by a UV-curable or a radiation curable adhesive. The adhesive comprises acrylate functional components, non-acrylate reactive diluents (e.g. having acrylamide, or N-vinyl functionality) and thiol compounds.Type: GrantFiled: August 24, 1999Date of Patent: October 29, 2002Assignee: DSM N.V.Inventors: Chau Thi Minh Ha, Vadim V Krongauz, Rajni Jaria, Michael G. Sullivan
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Publication number: 20020143078Abstract: Coating compounds curable by means of high-energy radiation, comprising as binderType: ApplicationFiled: April 3, 2001Publication date: October 3, 2002Inventors: Morenike Awokola, Carmen Flosbach, Helmut Loeffler, Volker Paschmann
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Patent number: 6451503Abstract: Antihalation compositions and methods for reducing the reflection of exposure radiation of a photoresist overcoated said compositions. The antihalation compositions of the invention comprise a resin binder and material capable of causing a thermally induced crosslinking reaction of the resin binder.Type: GrantFiled: April 30, 1996Date of Patent: September 17, 2002Assignee: Shipley Company, L.L.C.Inventors: James W. Thackeray, George W. Orsula
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Publication number: 20020115808Abstract: Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for example. The adhesives include a copolymer of one or more monoethylenically unsaturated alkyl (meth)acrylate monomers, one or more monoethylenically unsaturated secondary or tertiary amide-functional monomers, and optionally one or more acidic monomers.Type: ApplicationFiled: June 11, 1999Publication date: August 22, 2002Inventors: RICHARD L. PELOQUIN, ALBERT I. EVERAERTS, ELLEN O. AELING
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Patent number: 6369123Abstract: Radiation-crosslinkable elastomeric compositions containing: (a) an elastomeric polymer containing abstractable hydrogen atoms in an amount sufficient to enable the elastomeric polymer to undergo crosslinking in the presence of a suitable radiation-activatable crosslinking agent; and (b) a radiation-activatable crosslinking agent of the formula: wherein: X represents CH3—; phenyl; or substituted-phenyl; or substituted-phenyl with the proviso that any substituents on the substituted-phenyl do not interfere with the light-absorbing capacity of the radiation-activatable crosslinking agent and do not promote intramolecular hydrogen abstraction of the radiation activatable crosslinking agent; W represents —O—, —NH—, or —S—; Z represents an organic spacer selected from the group consisting of aliphatic, aromatic, aralkyl, heteroaromatic, and cycloaliphatic groups free of esters, amides, ketones, urethanes, and also free of ethers, thiols, allylic grouType: GrantFiled: August 14, 1995Date of Patent: April 9, 2002Assignee: 3M Innovative Properties CompanyInventors: Peter A. Stark, Edward G. Stewart, Albert I. Everaerts
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Publication number: 20020032251Abstract: A UV-curable acrylate base adhesive composition for digital versatile discs and other substrates, a method for bonding verstile digital disc layers together with a UV-curable adhesive, and a digital versatile disc bonded by a UV-curable or a radiation curable adhesive. The adhesive comprises acrylate functional components, non-acrylate reactive diluents (e.g. having acrylamide, or N-vinyl functionality) and thiol compounds.Type: ApplicationFiled: August 24, 1999Publication date: March 14, 2002Inventors: CHAU THI MINH HA, VADIM V. KRONGAUZ, RAJNI JARIA, MICHAEL G. SULLIVAN
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Patent number: 6342541Abstract: A manufacturing method comprising the steps of forming at first solidified wax layer of a desired shape, depositing onto the first solidified wax layer at least one layer of a liquid resin formulation, solidifying the layer of liquid resin formulation, depositing a second wax layer on to the combination of the first solidified wax layer and the layer of solidified resin formulation, solidifying the second wax layer, and separating the solidified resin formulation from first and second wax layers. Preferably, the resin formulation comprises at least one monofunctional water soluble vinyl or acrylic monomer in combination with a low molecular weight aliphatic polymer having acrylic or methacrylic acid functionality. The solidified wax and resin formulation layers can be machined as may be desired to form mold of a given shape comprising wax layers when the layer of formulation is separated from the wax layers.Type: GrantFiled: December 8, 1999Date of Patent: January 29, 2002Assignee: Advanced Ceramics Research, Inc.Inventors: John Lang Lombardi, Gregory John Artz
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Publication number: 20010024764Abstract: Polyacrylates obtainable by thermal crosslinking of a polymer mixture comprising the following components:Type: ApplicationFiled: February 7, 2001Publication date: September 27, 2001Inventors: Marc Husemann, Stephan Zollner
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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: 6126776Abstract: A method of modifying the surface of a solid polymer substrate comprising the steps of a) generating radicals on the substrate surface by subjecting it to a gas plasma or by subjecting it to UV light, and b) treating the surface with a vapor of a monomer or a monomer mixture comprising cyano acrylate and/or isocyanate, where step b) starts before step a), simultaneously with step a), under step a), or follows immediately after step a), and a polymer substrate modified accordingly; a method of binding an organic binder material to a surface of a solid polymer substrate comprising the steps of modifying the surface of the substrate by said method, and bringing the organic material in contact with the surface of the substrate, and a polymer bonded to an organic material by the last mentioned method.Type: GrantFiled: December 15, 1998Date of Patent: October 3, 2000Assignee: NKT Research Center A/SInventors: Kristian Glejb.o slashed.l, Bj.o slashed.rn Winther-Jensen
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Patent number: 6107361Abstract: The invention relates to a solvent-free radiation curable, optical glass fiber coating composition containing:a) a urethane oligomer having a functional group capable of polymerization in the presence of actinic radiation, with an average functionality of at least about 1.2, having a vinyl addition polymer as backbone.b) a urethane compound having a functional group capable of polymerization in the presence of actinic radiation, with an average functionality of at least about 1, containing an organic moiety having about 5 or more carbon atoms as backbone.c) a reactive diluent.Furthermore, the invention relates to a solvent-free method for producing a solvent-free, radiation curable urethane oligomer composition.Type: GrantFiled: October 8, 1998Date of Patent: August 22, 2000Assignee: DSM N.V.Inventors: Anthony J. Tortorello, Edward J. Murphy
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Patent number: 6083660Abstract: Photopolymerizable plastisol and organosol photoresist and solder mask coating compositions are described herein. These compositions include an ethylenically unsaturated photopolymerizable liquid plasticizer; a particulate, thermoplastic resin is dispersed in the plasticizer, the said resin having a midpoint Tg greater than 110.degree. C. and an acid number greater than 110; a tertiary amine stabilizer; and a photoinitiator. The organosol includes a diluent along with the other ingredients.Type: GrantFiled: May 11, 1995Date of Patent: July 4, 2000Assignee: Armstrong World Industries, Inc.Inventors: Wendell A. Ehrhart, David A. Smith
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Patent number: 6060214Abstract: Photopolymerizable plastisol and organosol photoresist and solder mask coating compositions are described herein. These compositions include an ethylenically unsaturated photopolymerizable liquid plasticizer; a particulate, thermoplastic resin is dispersed in the plasticizer, the said resin having a midpoint Tg greater than 110.degree. C. and an acid number greater than 110; a tertiary amine stabilizer; and a photoinitiator. The organosol includes a diluent along with the other ingredients.Type: GrantFiled: July 23, 1992Date of Patent: May 9, 2000Assignee: Armstrong World Industries, Inc.Inventors: Wendell A. Ehrhart, David A. Smith
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Patent number: 5985950Abstract: 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: January 21, 1998Date of Patent: November 16, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Ekkehard Bartmann, Jorg Ohngemach
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Patent number: 5942578Abstract: An energy beam curable pressure sensitive adhesive composition is disclosed which comprises at least two energy beam curable copolymers having energy beam polymerizable groups in side chains thereof. This energy beam curable pressure sensitive adhesive composition has satisfactory adhesive strength before the irradiation with energy beam and can be cured by the irradiation with energy beam to a degree such that the amount of adhesive residue remaining on an adherend after peeling is extremely small. Further, the above composition ensures excellent expansibility at the expanding step and excellent recognition at the time of pickup. Still further, the above composition exhibits high work efficiency because of very low pickup strength at the bonding step, irrespective of the execution of the expanding step.Type: GrantFiled: April 18, 1997Date of Patent: August 24, 1999Assignee: Lintec Corp.Inventors: Hayato Noguchi, Takeshi Kondoh
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Patent number: 5939465Abstract: A photopolymerizable composition comprises (i) a compound represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a hydrogen atom, a cyano group, a substituted carbonyl group, a substituted or unsubstituted, alkyl group, aryl group, alkenyl group, or alkynyl group; R.sup.3, R.sup.4 and R.sup.5 each independently represents a substituted or unsubstituted, alkyl group, aryl group, alkenyl group, or alkynyl group; Z represents a nonmetallic atom group necessary for forming a heterocyclic nucleus containing an N atom; n represents an integer of 0, 1 or 2; and G.sup.1 and G.sup.2 each independently represents a hydrogen atom, a cyano group, a substituted, carbonyl group, oxy group, amino group, thio group, sulfonyl group, sulfinyl group or an atomic group represented by formula (II) described in the specification, provided that G.sup.1 and G.sup.Type: GrantFiled: July 30, 1997Date of Patent: August 17, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuto Kunita, Yasuo Okamoto
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Patent number: 5905099Abstract: A heat-activatable adhesive comprising an acrylic copolymer, which copolymer comprises a monomer consisting of an acrylate or methacrylate ester of a non-tertiary alkyl alcohol having a Tg of about 0.degree. C. or lower; a monomer consisting of an acrylate or methacrylate ester of an alcohol having a Tg of at least about 5.degree. C.; and a functional monomer. Selected embodiments include a retroreflective article comprising a film having a substantially flat surface and a structured surface, the structured surface comprising a plurality of precisely shaped projections, a colored layer disposed on the structured surface and adhered thereto in a plurality of discrete locations, and a heat-activatable adhesive layer disposed on the colored layer.Type: GrantFiled: November 6, 1995Date of Patent: May 18, 1999Assignee: Minnesota Mining and Manufacturing CompanyInventors: Albert I. Everaerts, Yoshinori Araki, Michiru Hata
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Patent number: 5872190Abstract: A method of increasing the adhesion of a rubber (as hereinbefore defined) or rubber-based material which includes treating at least part of the surface of the rubber or rubber-based material with a halogenating agent simultaneously with a static and/or high freguency alternating physical field.Type: GrantFiled: July 19, 1996Date of Patent: February 16, 1999Assignee: Commonwealth Scientific and Industrial Research OrganizationInventors: Wojciech S. Gutowski, Dong Y. Wu, Sheng Li
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Patent number: 5851738Abstract: Antihalation compositions and methods for reducing the reflection of exposure radiation of a photoresist overcoated said compositions. The antihalation compositions of the invention comprise a resin binder and material capable of causing a thermally induced crosslinking reaction of the resin binder.Type: GrantFiled: November 26, 1997Date of Patent: December 22, 1998Assignee: Shipley Company, L.L.C.Inventors: James W. Thackeray, George W. Orsula
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Patent number: 5851730Abstract: Antihalation compositions and methods for reducing the reflection of exposure radiation of a photoresist overcoated said compositions. The antihalation compositions of the invention comprise a resin binder and material capable of causing a thermally induced crosslinking reaction of the resin binder.Type: GrantFiled: November 26, 1997Date of Patent: December 22, 1998Assignee: Shipley Company, L.L.C.Inventors: James W. Thackeray, George W. Orsula
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Patent number: 5837744Abstract: Polyoxymethylene articles having a surface printable with an ultraviolet-curing ink are obtained by molding a polyoxymethylene and treating the molded article by ultraviolet irradiation, corona discharge, or electron-beam radiation until the surface has an X-ray photoelectron spectrum in which the ratio of the ?C--O!.sub.n bond peak at 302 eV to the C--C bond peak at 305 eV, i.e., the ?C--O!.sub.n bond peak/C--C bond peak ratio, is at least 2.5.Type: GrantFiled: July 1, 1996Date of Patent: November 17, 1998Assignee: TDK CorporationInventors: Naoyuki Nagashima, Hitoshi Azegami, Yasufumi Takasugi
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Patent number: 5703140Abstract: A photopolymerizable composition is disclosed, comprising at least (i) a compound having an addition-polymerizable ethylenically unsaturated bond, and (ii) an oxime ether compound. The photopolymerizable composition of the present invention shows high sensitivity to active light rays over a wide range of from ultraviolet ray to visible light and at the same time, the photosensitive material using the photopolymerizable composition of the present invention is improved in the storage stability. Further, the development precipitate generated from the developer waste after development of the photosensitive material is restrained.Type: GrantFiled: January 23, 1996Date of Patent: December 30, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuto Kunita, Syunichi Kondo
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Patent number: 5627011Abstract: The invention relates to the use of oxime sulfonates of formula 1 ##STR1## wherein R is naphthyl, ##STR2## Ar is an unsubstituted aryl group or an aryl group which carries one or more than one substituent selected from the group consisting of nitro, chloro, bromo, hydroxyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 perfluoroalkyl, C.sub.1 -C.sub.4 alkoxy and acid degradable substituents;R.sub.0 is either a R.sub.1 --X group or R.sub.2 ;X is an oxygen or a sulfur atom;R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl or unsubstituted phenyl or phenyl which is substituted by a member selected from the group consisting of chloro, bromo, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy, andR.sub.2 is hydrogen, C.sub.1 -C.sub.Type: GrantFiled: May 12, 1995Date of Patent: May 6, 1997Assignee: Ciba-Geigy CorporationInventors: Norbert Munzel, Reinhard Schulz, Heinz Holzwarth, Stephan Ilg
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Patent number: 5623000Abstract: A pressure-sensitive adhesive having excellent heat resistance, comprising a photopolymerization product of a composition comprising;a) 100 parts by weight of a monomer mixture comprising from 70 to 100% by weight of a (meth)acrylic acid alkyl ester having from 2 to 14 carbon atom on the average in the alkyl moiety and from 30 to 0% by weight of a monoethylenically unsaturated monomer copolymerizable with the (meth)acrylic acid alkyl ester,b) from 0.02 to 5 parts by weight of a polyfunctional (meth)acrylate as a crosslinking agent, andc) from 0.01 to 4 parts by weight of a photopolymerization initiator,wherein a content of the solvent-insoluble components is at least 60% by weight and a remaining amount of the unreacted monomers is less than 5,000 ppm.Type: GrantFiled: June 5, 1995Date of Patent: April 22, 1997Assignee: Nitto Denko CorporationInventors: Takao Yoshikawa, Takaaki Moriyama
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Patent number: 5605781Abstract: A photosensitive composition containing a curable cyanate ester and a cationic photoinitiator; and use thereof to form a resist image.Type: GrantFiled: June 7, 1995Date of Patent: February 25, 1997Assignee: International Business Machines CorporationInventors: Jeffrey D. Gelorme, Eugene R. Skarvinko, David W. Wang
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Patent number: 5580695Abstract: A chemically amplified resist comprising an alkali-soluble resin or a resin having at least one acid-dissociable group which is alkali-insoluble or -sprairingly soluble but becomes alkali-soluble upon dissociation of said acid dissociable group due to an acid; a radiation-sensitive, acid-generating agent; and an optional component in which resist, the radiation-sensitive, acid-generating agent generates an acid upon irradiation with a radiation in the irradiated portion and the solubility of the resin component and optional component in a developing solution is varied in the irradiated portion by a chemical reaction caused by the catalytic action of the acid, whereby a pattern is formed, characterized in that a compound having a nitrogen-containing basic group is contained in the resist.Type: GrantFiled: November 10, 1994Date of Patent: December 3, 1996Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Makoto Murata, Takao Miura, Yoshiji Yumoto, Toshiyuki Ota, Eiichi Kobayashi
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Patent number: 5541263Abstract: An alkali soluble resin, preferably a phenolic resin, having a portion of its phenolic hydroxyl groups reacted to form a blocking group inert to acid or base. The polymer is used for the formulation of acid hardening photoresists and the presence of the inert blocking group enables development of an exposed photoresist with a strong developer without formation of microbridges between fine line features.Type: GrantFiled: March 16, 1995Date of Patent: July 30, 1996Assignee: Shipley Company, L.L.C.Inventors: James W. Thackeray, George W. Orsula, Mark D. Denison, Roger Sinta, Sheri L. Ablaza
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Patent number: 5536759Abstract: This invention is a hot melt pressure sensitive adhesive formed by copolymerizing acrylic, or a combination of acrylic and vinyl, monomers, at least one of which is a photoinitiator, with the functional monomer, 1-(1-isocyanato-1-methyl ethyl)-3-(1-methyl ethenyl)benzene (m-TMI), to give a saturated polymer with pendant vinyl groups that are crosslinked by UV radiation.Type: GrantFiled: October 13, 1994Date of Patent: July 16, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: Roopram Ramharack, Rama Chandran
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Patent number: 5529885Abstract: Disclosed are a negative photosensitive composition comprising an alkali-soluble resin, a photo acid generating system, and a crosslinking agent for the alkali-soluble resin which acts on the resin under acidic conditions, in which the crosslinking agent is a highly-alkylated alkoxymethylmelamine resin having a monomer content of from 5 to 40% by weight, and a method for forming a negative photo-resist pattern using the composition. The resist composition is stable during storage and gives good pattern profiles having high aspect ratios even though the resist film is made thick.Type: GrantFiled: June 3, 1994Date of Patent: June 25, 1996Assignee: Mitsubishi Chemical CorporationInventors: Tameichi Ochiai, Ryuichiro Takasaki, Yasuhiro Kameyama, Shichiro Takahashi