Processes Of Chemically Modifying A Blend Of Two Or More Solid Polymers In The Presence Of A Chemical Reactant; Or Compositions Therefore Patents (Class 522/109)
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Patent number: 7304096Abstract: There is provided a highly functional one-step light-curing dental adhesive composition i) based on a multifunctional prepolymer mixture of 2,2-bis-[4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl]propane (“Bis-GMA”) and a multifunctional prepolymer formed by substitiuting hydrogen atoms of hydroxyl groups present in Bis-GMA molecules with methacrylate groups, in which the Bis-GMA is used as a base prepolymer of conventional dental adhesive compositions; and ii) comprising and acidic monomer for removing a portion of smear layer, which is allowed to be bonded without separate treatment of acid etchant, an adhesive monomer having both hydrophobic and hydrophilic properties, a hydrophilic monomer which is allowed to be bonded in the present of moisture, an inorganic filler for improving mechanical properties, diluent, water for demineralization, a photoinitiation system and other additives.Type: GrantFiled: December 29, 2004Date of Patent: December 4, 2007Assignee: Korea Institute of Science and Technology and Dentkist, Inc.Inventors: Dong Keun Han, Kyu Hyun Baek, Min Sung Kim, Sang Soon Park, Hyun Chul Goo, Choong Ho Kim
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Patent number: 7297400Abstract: Curable pressure sensitive adhesive compositions comprising an acrylate copolymer, a mono-acrylate oligomer, a multi-acrylate oligomer having from 2 to 5 acrylate functional groups per molecule, and a photoinitiator, the adhesive exhibiting pressure sensitive adhesive characteristics and forms at least a semi-interpenetrating polymer network when cured; wherein the semi-IPN has an average molecular weight between crosslinks (Mc) greater than about 3000, and the cured adhesive has a peel strength greater than about 40 N/dm. Embodiments of the adhesive compositions, when cured, are optically clear and resistant to heat and moisture.Type: GrantFiled: April 5, 2005Date of Patent: November 20, 2007Assignee: 3M Innovative Properties CompanyInventors: Jie Yang, Stephen A. Johnson, William L. Kausch, Ying-Yuh Lu, Steven J. McMan
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Publication number: 20070254977Abstract: An actinic ray curable composition comprising a photo-polymerizable compound and a photo-polymerization initiator, wherein the photo-polymerizable compound is a cationic polymerizable compound and a terminal polyester-modified silicone surfactant is further incorporated in the actinic ray curable composition.Type: ApplicationFiled: April 23, 2007Publication date: November 1, 2007Inventor: Nobumasa Sasa
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Publication number: 20070238805Abstract: An adhesive sheet includes a substrate and an energy-ray curable adhesive layer formed on the substrate. The energy-ray curable adhesive layer includes an energy-ray curable acrylic copolymer and a urethane acrylate. The energy-ray curable acrylic copolymer is formed by copolymerizing at least one of either a dialkyl(meth)acrylamide that has an alkyl group with carbon number of not more than 4, a phenol EO modified (meth)acrylate that has an ethylene glycol chain with a phenyl group bonded to the ethylene glycol chain, a (meth)acryloyl morpholine, or a (meth)acrylate that has an aceto-acetoxyl group, in total of 1 to 30 weight percent of all monomers to form the energy-ray curable acrylic copolymer. The energy-ray curable acrylic copolymer further includes a side chain with an unsaturated group.Type: ApplicationFiled: April 4, 2007Publication date: October 11, 2007Applicant: LINTEC CORPORATIONInventors: Jun MAEDA, Masaharu ITO, Keiko KANO, Takashi AKUTSU, Kazuhiro TAKAHASHI
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Patent number: 7273896Abstract: This invention relates generally to compositions and systems for forming biomaterials containing a transient colorant for visualizing tissue or surgical materials coated with such biomaterials, to methods of using such compositions as bioadhesives, for tissue augmentation, in the prevention of surgical adhesions, for coating surfaces of synthetic implants, as drug delivery matrices, for ophthalmic applications, and in other applications.Type: GrantFiled: April 10, 2003Date of Patent: September 25, 2007Assignee: Angiotech Pharmaceuticals (US), Inc.Inventors: George Y. Daniloff, John R. Daniels
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Patent number: 7268172Abstract: The present invention is directed to a composition curable by radiation having a wavelength of 300 nm or more, a method of producing a coated substrate using such composition and the coated product so-produced. More particularly, the composition of the present invention comprises A) from about 1 to about 99% by weight of an unsaturated polymer or oligomer, B) from about 1 to about 99% by weight of an unsaturated epoxy acrylate, C) one or more photoinitiators, and, optionally, D) one or more solvents.Type: GrantFiled: October 15, 2004Date of Patent: September 11, 2007Assignee: Bayer MaterialScience LLCInventors: Hermann Bach, Roy B. Clemens, Larry Galeza, Charles A. Gambino, Scott A. Grace, Michael Dvorchak, Ramesh Subramanian
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Patent number: 7264873Abstract: The objective is to provide a surface protecting film for polycarbonate which is easy to laminate on polycarbonate and remove from the polycarbonate, the peel adhesive strength change to polycarbonate with times is small and there is no adhesive transferring to the backside of the film substrate in the case of storage for a long period or at a high temperature in the roll shape made of the long length tape. There provided a surface protecting film for polycarbonate, wherein a film substrate having Young's modulus of 1 GPa or more and an adhesive layer are comprised, the glass transition temperature (Tg) of the adhesive composing of the pressure sensitive adhesive layer being between 40 to 90° C. and the initial 180° peel adhesive strength to polycarbonate being between 10 to 300 mN/25 mm.Type: GrantFiled: December 21, 2005Date of Patent: September 4, 2007Assignee: Lintec CorporationInventors: Kazuya Katoh, Mamoru Kobayashi, Shin Kubota
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Patent number: 7265162Abstract: A method is provided for making a crosslinked polymer electrolyte, typically in the form of a membrane for use as a polymer electrolyte membrane in an electrolytic cell such as a fuel cell, as well as the polymer so made, the method comprising application of electron beam radiation to a highly fluorinated fluoropolymer comprising: a backbone derived in part from tetrafluoro-ethylene monomer, first pendent groups which include a group according to the formula —SO2X, where X is F, Cl, Br, OH or —O?M+, where M+ is a monovalent cation, and second pendent groups which include Br, Cl or I. Typically, the membrane has a thickness of 90 microns or less, more typically 60 or less, and most typically 30 microns or less.Type: GrantFiled: November 13, 2003Date of Patent: September 4, 2007Assignee: 3M Innovative Properties CompanyInventors: Michael A. Yandrasits, Steven J. Hamrock, Klaus Hintzer, Arne Thaler, Tatsuo Fukushi, Naiyong Jing, Kai Helmut Lochhaas
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Patent number: 7262242Abstract: An adhesive composition comprising at least one tackifier resin and at least one acrylic polymer is provided wherein the tackifier resin comprises monomer repeating units from at least one aromatic monomer and at least one acrylate monomer; and wherein the tackifier resin has a low residual monomer concentration. Processes to produce the adhesive composition is also provided.Type: GrantFiled: February 18, 2004Date of Patent: August 28, 2007Assignee: Eastman Chemical CompanyInventors: Elisabeth Eduarda Catharina Geertruida Gielens, Derek William Bamborough, Michel Hendrikus Theelen
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Patent number: 7253215Abstract: Anti-glare film including anti-glare layer. The anti-glare film is obtained by coating or casting a liquid compositions containing a polymer, a curable resin precursor, and a solvent on a transparent plastic film, evaporating the solvent, forming a phase separation structure by spinodal decomposition, and curing the curable resin precursor by irradiation with light. The disclosed anti-glare film prevents reflection of surrounding scenery and dazzle in a display surface.Type: GrantFiled: August 19, 2005Date of Patent: August 7, 2007Assignee: Daicel Chemical Industries, Ltd.Inventors: Hiroshi Takahashi, Hiroaki Ushida
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Patent number: 7238732Abstract: A radiation-curable adhesive composition comprising at least one tackifier resin and at least one radiation-curable composition is provided wherein the tackifier resin comprises monomer repeating units from at least one aromatic monomer and at least one acrylate monomer. Processes to produce the radiation-curable adhesive composition as well as articles comprising the radiation-curable adhesive compositions are also provided.Type: GrantFiled: February 18, 2004Date of Patent: July 3, 2007Assignee: Eastman Chemical CompanyInventors: Derek William Bamborough, Elisabeth Eduarda Catharina Geertruida Gielens, Clazina Cornelia Adriana Adriaanse, Peter Versluijs, Michel Hendrikus Theelen
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Patent number: 7214724Abstract: A plastic is converted from an initial condition with a higher density into a foamed condition with a lower density using a blowing agent, wherein the plastic is cross-linked prior to foaming by means of a first cross-linking agent and during the foaming by means of at least one second cross-linking agent.Type: GrantFiled: June 15, 2004Date of Patent: May 8, 2007Assignee: Henkel Kommanditgesellschaft Auf AktienInventor: Marcel Salamon
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Patent number: 7199166Abstract: Radiation-curable resins containing a carbonyl-hydrogenated ketone-aldehyde and/or a ring-hydrogenated phenyl-aldehyde resins, and a process for preparing them.Type: GrantFiled: August 17, 2004Date of Patent: April 3, 2007Assignee: Degussa AGInventors: Patrick Gloeckner, Lutz Mindach, Peter Denkinger
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Patent number: 7186362Abstract: A prosthetic medical device exhibiting improved wear resistance is fabricated by sealing at least one polyolefinic material in an airtight container and providing an inert atmosphere within the airtight container. The polyolefinic material is exposed to an irradiation source to yield a cross-linked irradiated polyolefinic material. At least one non-irradiated polyolefinic material is blended with the irradiated polyolefinic material, and the prosthetic medical device is formed from the blended material. Selectively cross-linked polymeric compositions may be created by blending a specific amount of cross-linked resins with a specific amount of uncross-linked resins then cured into a polymeric matrix whereby the desired degree or percentage of overall cross-linking is obtained. The polymeric material may then be formed directly into a finished article by injection molding the polymeric material.Type: GrantFiled: February 25, 2005Date of Patent: March 6, 2007Assignee: Howmedica Osteonics Corp.Inventors: Aiguo Wang, Aaron Essner
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Patent number: 7186772Abstract: Self-coating or self-layering lacquer systems from at least two different resins, oligomers, or polymers, which are emulsifiable or dispersible in water, have different surface tensions, and form self-layering phases. After the application, the phases separate into the components of the formulation.Type: GrantFiled: September 26, 2003Date of Patent: March 6, 2007Assignee: DaimlerChrysler AGInventors: Reinhold Berkau, Michael Gailberger, Thomas Gruber, Karl Holdik, Georg Meichsner, Fritz Mezger
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Patent number: 7171103Abstract: A coated optical fiber can have a primary coating and a secondary coating, where the primary coating can have good microbending resistance and is obtained by curing a composition having a high cure speed. In one example, a coated optical fiber can include as optical fiber, a primary coating and a secondary coating. The optical fiber can have an attenuation increase of less than 0.650 dB/km at 1550 nm, with the primary coating having a modulus retention ratio of at least 0.5, a glass transition temperature of ?35° C., and where the primary coating is obtained by curing a primary coating composition having a cure dose to attain 95% of the maximum attainable modulus of less than 0.65 J/cm2.Type: GrantFiled: October 3, 2005Date of Patent: January 30, 2007Assignee: DSM IP Assets B.VInventors: Jan van Eekelen, Sandra Nagelvoort, Duurt Alkema, Paul Buijsen, Huimin Cao, Robert W. Johnson, David M. Szum
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Patent number: 7163968Abstract: UV curable adhesives are provided that comprise epoxidized monohydroxylated polydiene polymers, hydrogenated hydroxylated polydiene polymers, and selectively hydrogenated starblock copolymers. The adhesive formulations provide both excellent room temperature properties of tack and peel and excellent holding power at temperatures as high as 95° C.Type: GrantFiled: March 16, 2004Date of Patent: January 16, 2007Assignee: Kraton Polymers U.S. LLCInventor: James R. Erickson
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Patent number: 7144956Abstract: The present invention relates to adhesive and sealant compositions in non-flowable form. More particularly, the present invention relates to non-flowable adhesive and sealant compositions which are particularly useful in the threadlocking and sealing applications and which can be packaged in a convenient pocket-sized applicator dispenser.Type: GrantFiled: March 1, 2005Date of Patent: December 5, 2006Assignee: Henkel CorporationInventors: Shabbir Attarwala, Zhu Qinyan, Matthew P. Burdzy
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Patent number: 7098257Abstract: Coating materials curable thermally and with actinic radiation, comprising (A) binder selected from the group consisting of random, alternating and block, linear, branched and comb polyaddition resins, polycondensation resins, and addition (co)polymers of olefinically unsaturated monomers, curable physically, thermally, with actinic radiation and thermally and with actinic radiation; and (B) from 0.2 to 20% by weight, based on the solids of the coating material, of at least one polyisocyanate which is free from blocking agents and by means of internal formation of uretdione groups is blocked up to a reelimination temperature of at least 160° C.; and their use for producing single-coat and multicoat clearcoat systems and multicoat color and/or effect paint systems or as adhesives and sealing compounds.Type: GrantFiled: August 10, 2002Date of Patent: August 29, 2006Inventors: Heinz-Peter Rink, Hubert Baumgart, Uwe Conring
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Patent number: 7087660Abstract: This invention relates to a process of preparation of components and articles of manufacture containing at least one of such components, such as tires, and the resulting prepared components and fabricated articles, by use of directed high frequency energy internally heated silica-rich rubber compositions which contain sulfur curative and a significant content of high softening point polymer, namely a polymer and/or elastomer having a melting point (Tm) and/or high glass transition temperature (Tg) above 0° C., and particularly above 30° C., and which contains a minimal, if any, carbon black reinforcement. Such directed high frequency energy heating is provided, individually, by directed radio frequency (electromagnetic) radiation and/or by directed microwave radiation.Type: GrantFiled: July 29, 2003Date of Patent: August 8, 2006Assignee: The Goodyear Tire & Rubber CompanyInventors: Thomas Robert Maier, Bruce Raymond Hahn, Brian John Doucet, Thierry Florent Edme Materne
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Patent number: 7064154Abstract: Compositions for use in optical fiber coatings and optical fibers and optical fiber arrays using these coatings are disclosed, as are methods for making the same. The compositions comprise a combination of two different radiation curable urethane oligomers, and can further comprise one or more reactive monomers. One of the oligomers has at least three functional groups that can undergo radiation cure, and comprises a lactone modified polyol.Type: GrantFiled: January 9, 2004Date of Patent: June 20, 2006Assignee: PPG Industries Ohio, Inc.Inventors: Shengkui Hu, Alan B. Weissberg
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Patent number: 7046904Abstract: The present invention relates to a UV curable clad resin composition for optical fiber or waveguide comprising: (A) a photopolymerizable acrylate oligomer derived from the mixture composed of a polyol copolymer, an acid anhydride, an acrylate alcohol, a condensation polymerization catalyst and a polymerization inhibitor, (B) a photopolymerizable monomer, (C) a photopolymerization initiator, and (D) a leveling or antifoaming agent. The inventive composition minimizes optical loss and has a controllable low refractive index in the range of 1.35 to 1.46.Type: GrantFiled: April 18, 2003Date of Patent: May 16, 2006Assignee: SSCP Co., Ltd.Inventors: Selee Chang, Daesung Lee, Junghyun Oh
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Patent number: 7041711Abstract: To provide a polymerizable composition suitable for a lithographic printing plate precursor which can satisfy the requirements of high sensitivity, excellent storage stability and long press life and enables direct plate making from digital data from computer, etc. when recording is conducted a solid laser or semiconductor laser emitting ultraviolet ray, visible light or infrared ray and a compound therefore, the present invention relates to a photoradical polymerizable composition comprising a polyfunctional crosslinking agent having a specific structure represented by formula (I) or (II) defined in the specification.Type: GrantFiled: March 5, 2004Date of Patent: May 9, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Kazuto Kunita
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Patent number: 7001931Abstract: A blend activatable with actinic radiation and solid at room temperature, comprising (A) at least one crystalline compound containing on average per molecule at least one reactive functional group having at least one bond which can be activated with actinic radiation, and (B) at least one amorphous compound containing on average per molecule at least one reactive functional group having at least one bond which can be activated with actinic radiation; process for its preparation, and its use.Type: GrantFiled: December 18, 2001Date of Patent: February 21, 2006Assignee: BASF Coatings AGInventors: Christopher Hilger, Rainer Blum
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Patent number: 6995194Abstract: A radiation curable powder coating composition is disclosed, which comprises a blend of (meth)acryloyl group containing polyphenoxy resin, a (meth)acryloyl group containing resin other than the polyphenoxy resin and other than a (meth)acryloyl group containing amorphous polyester and, eventually, a (meth)acryloyl group containing monomer or oligomer. These powders give coatings with improved chemical resistance and flexibility.Type: GrantFiled: July 23, 2002Date of Patent: February 7, 2006Assignee: Surface Specialties, S.A.Inventors: Luc Moens, Kris Buysens, Daniel Maetens
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Patent number: 6967042Abstract: The present invention discloses an ultraviolet light curable mar resistant composition and method for making such a composition that may be used to produce an mar resistant layer. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the active layer after curing.Type: GrantFiled: November 15, 2002Date of Patent: November 22, 2005Assignee: Allied PhotoChemical, Inc.Inventor: Roy C. Krohn
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Patent number: 6926959Abstract: The invention is directed to a radiation curable adhesive composition comprising at least one vinyl modified block copolymer having a first polyvinyl aromatic block and a second polydiene block having vinyl functionality, and at least one tackifier. Optionally, the composition may comprises at least one second block copolymer that has not been vinyl modified, at least one platicizer, and at least one wax. The invention is also directed to a double-faced label formed from the composition and the method of producing said label.Type: GrantFiled: April 29, 2003Date of Patent: August 9, 2005Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: Mark S. Kroll, Margarita Acevedo, Janelle C. Cameron, Thomas F. Kauffman, Jeffrey S. Lindquist, Eugene R. Simmons, David B. Malcolm, Kathryn A. Coleman
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Patent number: 6916508Abstract: It is an object of the present invention to provide a method of coating a plastic molding which is appropriately applicable to various plastic substrates, an ultraviolet-curable under coating for metal evaporation, which is to be used in that method of coating, and a plastic molding obtained by that method of coating.Type: GrantFiled: May 24, 2002Date of Patent: July 12, 2005Assignee: Nippon Paint Co., Ltd.Inventors: Yoichi Adachi, Kazuhiko Takashima, Akira Ushio, Sakae Matsui
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Patent number: 6905511Abstract: A prosthetic medical device exhibiting improved wear resistance is fabricated by irradiating at least one polyolefinic material in the presence of an inert atmosphere to yield a cross-linked irradiated polyolefinic material; blending at least one non-irradiated polyolefinic material with the at least one irradiated polyolefinic material, and forming the prosthetic medical device from the blended material. Selectively cross-linked polymeric compositions may be created by blending a specific amount of cross-linked resins with a specific amount of uncross-linked resins then cured into a polymeric matrix whereby the desired degree or percentage of overall cross-linking is obtained. The polymeric material may then be formed directly into a finished article by injection molding the polymeric material.Type: GrantFiled: March 5, 2003Date of Patent: June 14, 2005Assignee: Howmedica Oseonics Corp.Inventors: Aiguo Wang, Aaron Essner
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Patent number: 6905735Abstract: The present invention discloses an ultraviolet light curable paint composition and method for applying and making such a composition to a substrate. Suitable substrates include glass, metals, and various plastics such as polycarbonates. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the coating or are released to ambient after curing.Type: GrantFiled: November 15, 2002Date of Patent: June 14, 2005Assignee: Allied PhotoChemical, Inc.Inventor: Roy C. Krohn
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Patent number: 6906114Abstract: The present invention discloses an ultraviolet light curable silver chloride compositions and method for making such a composition that may be used to produce a silver coating on a substrate. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the active layer after curing.Type: GrantFiled: September 6, 2001Date of Patent: June 14, 2005Assignee: Allied PhotoChemical, Inc.Inventor: Roy C. Krohn
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Patent number: 6887917Abstract: Curable pressure sensitive adhesive compositions comprising an acrylate copolymer, a mono-acrylate oligomer, a multi-acrylate oligomer having from 2 to 5 acrylate functional groups per molecule, and a photoinitiator, the adhesive exhibiting pressure sensitive adhesive characteristics and forms at least a semi-interpenetrating polymer network when cured; wherein the semi-IPN has an average molecular weight between crosslinks (Mc) greater than about 3000, and the cured adhesive has a peel strength greater than about 40 N/dm. Embodiments of the adhesive compositions, when cured, are optically clear and resistant to heat and moisture.Type: GrantFiled: December 30, 2002Date of Patent: May 3, 2005Assignee: 3M Innovative Properties CompanyInventors: Jie Yang, Stephen A. Johnson, William L. Kausch, Ying-Yuh Lu, Steven J. McMan
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Patent number: 6872760Abstract: Compositions for use in optical fiber coatings and optical fibers and optical fiber arrays using these coatings are disclosed, as are methods for making the same. The compositions comprise a combination of two different radiation curable urethane oligomers, and can further comprise one or more reactive monomers. One of the oligomers has at least three functional groups that can undergo radiation cure.Type: GrantFiled: February 6, 2003Date of Patent: March 29, 2005Assignee: PPG Industries Ohio, Inc.Inventors: Shengkui Hu, Alan B. Weissberg
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Patent number: 6869981Abstract: The invention includes an optical fiber coating that exhibits the characteristics of a pressure sensitive adhesive. A viscoelastic window for the coating will include at least one set of coordinates that is within Quadrants 2, 3, or 4 or the Transition Flow Region of the Chang viscoelastic of the rheological master curves or will not include at least one set of coordinates that is not within Quadrant 1 of the Chang viscoelastic of the rheological master curves.Type: GrantFiled: March 1, 2002Date of Patent: March 22, 2005Assignee: Corning IncorporatedInventors: Edward J. Fewkes, Gregory F. Jacobs, Inna I. Kouzmina, Kevin R. McCarthy, Huan-Hung Sheng, Kristi L. Simonton
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Patent number: 6850681Abstract: A buffer coating for optical fibers is disclosed which includes a halogenated epoxy resin for flame-retardancy, and elastomer modified epoxy resin for tensile strength and flexibility, a low viscosity bisphenol resin for structural integrity, a viscosity modifier for improved process or extrusion properties, a polyol to increase the cure rate and cross-linking during curing, a slip agent or surfactant to reduce the adhesion of the buffer layer to the cladding and to further improve the flow characteristics during extrusion, and a photo-initiator. The buffer layer is flame-retardant and has a fast UV cure rate.Type: GrantFiled: August 22, 2002Date of Patent: February 1, 2005Assignee: Addison Clear Wave, LLCInventors: Claire Marie Lepont, Long Van Ha, Chau Thi Minh Ha
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Patent number: 6846852Abstract: This invention provides for compositions, which can be crosslinked by radiation to give elastomeric coatings, which comprises: (a) high-molecular weight siloxanes with multiple (meth)acrylate functional groups; and (b) reinforcing fillers selected from the group consisting of silicone resins and silicone dioxide fillers, wherein the siloxanes (a) have the general structure: [R3SiO1/2]a[(Z)nG—Ym—R2SiO1/2]a?[R2SiO2/2]b[(Z)nG—Ym—RSiO2/2]b?[RSiO3/2]c[SiO4/2]d.Type: GrantFiled: August 16, 2001Date of Patent: January 25, 2005Assignee: Goldschmidt AGInventors: John Allen, Thomas E. Hohenwarter, Jr., Peter Lersch, Ernest D. Moore, Angela Dawn Paez, Jörg Simpelkamp, Steven Paul Smith
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Publication number: 20040242721Abstract: The present invention relates to a curable polymeric composition comprising (i) a thermoplastic block copolymer containing at least two polymer blocks A separated by at least one polymer block B, as component (ii) a polymerisable monofunctional compound (I) compatible with polymer block B or a composition (II) of polymerisable functional compounds which composition (II) is compatible with polymer block B and (iii) optionally an initiator that is at least partially compatible with the polymer block B and/or component (ii); (iv) optionally a polyolefin polymer; (v) optionally a plasticiser compatible with polymer block B and incompatible with polymer blocks A; and (vi) optionally an aromatic resin compatible with polymer blocks A and incompatible or only partially compatible with polymer block B.Type: ApplicationFiled: April 15, 2004Publication date: December 2, 2004Inventors: Xavier Muyldermans, Olivier Roumache
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Patent number: 6825241Abstract: Solids containing (i) on average per molecule at least two groups (a) having at least one bond which can be activated with actinic radiation whereby the groups (a) are structurally different from one another and are attached to the parent structure of the solid via urethane groups, or containing (ii) on average per molecule more than one group (a) having at least one bond which can be activated with actinic radiation, the groups being structurally different from one another or the same and being attached to the parent structure of the solid via urethane groups, and from 0.Type: GrantFiled: March 27, 2002Date of Patent: November 30, 2004Assignee: BASF AktiengesellschaftInventors: Rainer Blum, Reinhold Schwalm, Rainer Königer
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Patent number: 6825244Abstract: Composition which can be crosslinked under the effect of an ionizing radiation comprising a thermoplastic copolymer of vinylidene fluoride and of chlorotrifluoroethylene and an effective amount of a crosslinking promoter, such as a triallyl cyanurate or triallyl isocyanurate. Process for the crosslinking by irradiation of the crosslinkable composition under air by means of an ionizing radiation, such as &bgr;-radiation, at a dose of 10 to 100 kGray. Crosslinkable and crosslinked shaped articles, such as sheaths for electrical cables and pipes for oil products.Type: GrantFiled: September 25, 2002Date of Patent: November 30, 2004Assignee: Solvay S.A.Inventors: Yves-Julien Lambert, Vincent Thulliez, Guy Laurent
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Patent number: 6803393Abstract: Multicomponent system curable thermally and with actinic radiation, comprising A) an isocyanate-reactive binder comprising A1) at least one unsaturated polyester whose molecule contains on average at least one group that can be activated with actinic radiation, of the formulae I, II and/or III wherein n is an integer from 1 to 10; and A2) at least one binder, different than (A1), whose molecule comprises on average at least two isocyanate-reactive functional groups, and/or A3) at least one binder, different than (A1), whose molecule comprises on average at least one isocyanate-reactive functional group and at least one reactive functional group having at least one bond that can be activated with actinic radiation, and B) a crosslinker comprising B1) at least one polyisocyanate and/or B2) at least one polyisocyanate whose molecule comprises on average at least one reactive functional group having at least one bond that can be activated with actinic radiation.Type: GrantFiled: December 11, 2002Date of Patent: October 12, 2004Assignee: BASF Coatings AGInventors: Rainer Blum, Maxime Allard
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Patent number: 6803081Abstract: Radiation curable adhesive comprising an epoxidized block copolymer, a saturated block copolymer and/or a rosin derived alcohol, and a photoinitiator. The adhesives find particular use in the tape and label industry.Type: GrantFiled: June 26, 2001Date of Patent: October 12, 2004Assignee: National Starch and Chemical Investment Holding CorporationInventor: Charles W. Paul
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Patent number: 6790596Abstract: A photoreactive resin composition having high sensitivity and causing less gelation, and methods of manufacturing a circuit board and a ceramic multilayer substrate having a high-resolution wiring pattern and via holes by a photolithography process using the photoreactive resin composition are described. The photoreactive resin composition contains an inorganic powder containing a polyvalent metal powder and/or a polyvalent metal oxide powder, an alkali-soluble first polymer having an ethylenically unsaturated double bond, a monomer having an ethylenically unsaturated double bond, a photoreaction initiator, an organic solvent, and a second polymer having a pyrrolidone ring in a side chain.Type: GrantFiled: October 11, 2002Date of Patent: September 14, 2004Assignee: Murata Manufacturing Co., LtdInventors: Masahiro Kubota, Michiaki Iha, Shizuharu Waatanabe
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Patent number: 6790876Abstract: Powder compositions hardenable by radiation usable for preparing paints or varnishes, specific amorphous polyesters which are comprised within these powder compositions, the use of the paints or varnishes comprising the powder compositions for coating an article as well as articles coated with the hardened paints or varnishes are disclosed. The powder compositions of the invention are especially suited for coating over metal and heat-sensitive substrates and combine, upon melting at low temperatures and curing by radiation, a series of properties such as good flow and film hardness along with an outstanding solvent resistance.Type: GrantFiled: October 4, 2002Date of Patent: September 14, 2004Assignee: UCB, S.A.Inventors: Luc Moens, Kris Buysens, Nele Knoops, Daniel Maetens
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Patent number: 6784223Abstract: The present invention discloses an ultraviolet light curable transparent conductive composition and method for making such a composition that may be used to produce a transparent conductive coating on a suitable substrate. These coatings may be used in such applications as touch screens, membrane switches, TV screens, and VCRs. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the active layer after curing.Type: GrantFiled: July 11, 2002Date of Patent: August 31, 2004Assignee: Allied PhotoChemical, Inc.Inventor: Roy C. Krohn
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Patent number: 6780897Abstract: Solid compositions comprising (A) at least one solid (meth)acrylate copolymer with a number-average molecular weight of from 850 to 10 000 and a molecular weight polydispersity Mw/Mn of from 1.0 to 5.0, containing at least one group (a) having at least one bond which can be activated with actinic radiation; and (B) at least one solid compound comprising a parent structure and, attached thereto, on average per molecule more than one group (a) having at least one bond which can be activated with actinic radiation; and their use as coating materials, adhesives or sealing compounds which can be crosslinked thermally and/or with actinic radiation, or for preparing coating materials, adhesives or sealing compounds which can be crosslinked thermally and/or with actinic radiation.Type: GrantFiled: March 27, 2002Date of Patent: August 24, 2004Assignee: BASF Coating AGInventors: Rainer Blum, Reinhold Schwalm, Horst Hintze-Bruening, Horst Binder, Wolfgang Paulus, Bernd Bruchmann
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Patent number: 6734222Abstract: The invention relates to a mixture, containing A) a polymer, which consists to an extent of at least 40 wt % of C1-C18 alkyl (meth)acrylates (referred to herein as polyacrylates) and B) a homopolymer or copolymer of vinyl alkyl ether (referred to herein as polyvinyl alkyl ether), which consists, to an extent of at least 70 wt %, of structural units of the following formula, in which X stands for a single bond or a C1-C3 alkyl group and R for a C1-C6 alkyl group.Type: GrantFiled: January 28, 2002Date of Patent: May 11, 2004Assignee: BASF AktiengesellschaftInventors: Ralf Fink, Karl-Heinz Schumacher, Uwe Düsterwald, Christelle Staller
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Patent number: 6730733Abstract: Aqueous polymer composition suitable for coating which comprises the following components dispersed in water: (1) a combination of an acrylic polymer(s) A and an acrylic polymer(s) B where polymer(s) A has a Tg of not more than 30° C. and polymer(s) B has a Tg of at least 35° C., more preferably at least 45° C., which is at least 25° C. higher than the Tg of polymer(s) A, and wherein one or both of polymers A and B bear crosslinker functional groups capable of imparting ambient-temperature crosslinkability to component (1) in a coating formed from the composition via the formation of non-radically-formed covalent bonds; and (2) a self-dispersible, ionically stabilised polymer having olefinically unsaturated bond functionality capable of imparting radiation-curability (preferably uv-radiation curability) thereto in a coating formed from the composition.Type: GrantFiled: August 28, 2002Date of Patent: May 4, 2004Assignee: Avecia LimitedInventors: Gerardus Cornelis Overbeek, Pablo Steenwinkel, Ronald Tennebroek, Tijs Nabuurs
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Patent number: 6727320Abstract: The present invention relates to adhesive and sealant compositions in non-flowable form. More particularly, the present invention relates to non-flowable adhesive and sealant compositions which are particularly useful in the threadlocking and sealing applications and which can be packaged in a convenient pocket-sized applicator dispenser.Type: GrantFiled: January 18, 2002Date of Patent: April 27, 2004Assignee: Henkel Loctite CorporationInventors: Shabbir Attarwala, Zhu Qinyan, Matthew P. Burdzy
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Publication number: 20040072951Abstract: The present invention relates to a photopolymerizable composition, which comprises:Type: ApplicationFiled: October 8, 2003Publication date: April 15, 2004Inventors: David Romme Hansen, David John St. Clair, Donn Anthony Dubois, Dale Lee Handlin, Carl Lesley Willis
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Publication number: 20040044095Abstract: A substantially reactive and gel-free composition which comprises:Type: ApplicationFiled: August 30, 2002Publication date: March 4, 2004Inventors: Zhikai Wang, Carol Black, Jun Qiao