Patents Examined by Robert E. L. Sellers
  • Patent number: 7176245
    Abstract: Mesoscopically ordered, hydrothermally stable metal oxide-block copolymer composite or mesoporous materials are described herein that are formed by using amphiphilic block polymers which act as structure directing agents for the metal oxide in a self-assembling system.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: February 13, 2007
    Assignee: The Regents of the University of California
    Inventors: Galen D. Stucky, Bradley F. Chmelka, Dongyuan Zhao, Nick Melosh, Qisheng Huo, Jianglin Feng, Peidong Yang, David Pine, David Margolese, Wayne Lukens, Jr., Glenn H. Fredrickson, Patrick Schmidt-Winkel
  • Patent number: 6998072
    Abstract: Described is a polymerizable composition of a photochromic amount of at least one photochromic compound, at least one material having at least one carbonate group and at least one hydroxyl group, and at least one monoisocyanate containing material having at least one unsaturated group. The polymerizable composition optionally contains copolymerizable monomers. Also described are photochromic polymerizates, e.g., photochromic optical elements such as ophthalmic lenses, prepared from the polymerizable composition of the present invention.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: February 14, 2006
    Assignee: Transitions Optical, Inc.
    Inventors: Cletus N. Welch, Eric M. King, Lawrence G. Anderson, Randy E. Daughenbaugh, Kevin J. Stewart
  • Patent number: 6939925
    Abstract: Provided is a room-temperature curable organopolysiloxane composition including (I) an organopolysiloxane, and (II) a silane compound containing silicon-bonded hydrolysable groups and/or a partial hydrolysis-condensation product thereof. The organopolysiloxane (I) is a condensation product of (A) an organosiloxane which includes R3SiO1/2 units wherein R represents an unsubstituted or substituted monovalent hydrocarbon group and SiO4/2 units, in which the molar ratio R3SiO1/2 to SiO4/2 is 0.6 to 1.2, and further includes less than 2.0% by weight of silicon-bonded hydroxyl groups, and (B) a diorganopolysiloxane with molecular chain terminals blocked with functional group-containing silyl groups. This composition generates a cured product or coating film with good transparency and good strength, which is useful as a coating material for electrical or electronic components or circuits, a sealant for liquid crystal display elements, and an antifouling paint for underwater structures.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: September 6, 2005
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takafumi Sakamoto, Norio Kameda, Tsuneo Kimura
  • Patent number: 6914102
    Abstract: A thermally curable hot-melt adhesive composition, comprising a polyurethane prepolymer having isocyanate groups, wherein at least 50% of the reactive isocyanate groups of the prepolymer are blocked, said prepolymer being the reaction product of (1) 20 to 40 wt % of at least one straight-chain amorphous polyester having a number average molecular mass Mn of 3000 to 6000 with (2) 40 to 60 wt % of at least one polyurethane elastomer, (3) 10 to 20 wt % of at least one polyester elastomer, (4) at least one diisocyanate, (5) at least one polyol as a chain extender, and (6) at least one blocking agent; and at least one isocyanate reactive component selected from the group consisting of polyalcohols, polyamines and hydroxy-functionalized epoxide resins; wherein the percentages are based on the total weight of polyester, polyurethane elastomer and polyester elastomer.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: July 5, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Olaf Kleineberg, Engin Temeltas, Heinz-Peter Pfeiffer
  • Patent number: 6806306
    Abstract: A fluorine containing thermoplastic vulcanizate composition includes a continuous phase of at least one melt formable thermoplastic resin and a discrete phase of a vulcanized perfluoroether elastomer. The perfluoroether elastomer comprises between 10 and 80 weight percent based on the total amount of the continuous phase and the disperse phase combined.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: October 19, 2004
    Assignee: Freduenberg-NOK General Partnership
    Inventors: Craig A. Chmielewski, Paul J. Hochgesang
  • Patent number: 6773121
    Abstract: An antireflection film having a hard coat layer prepared on one side of a transparent substrate directly or through other layers, and further an antireflection layer laminated on a surface of the hard coat layer, wherein the antireflection layer is formed by a dry cured film obtained from a solution comprising a siloxane oligomer (A) obtained by condensation polymerization after partial hydrolysis of a hydrolyzable alkoxy silane that contains a tetra alkoxy silane represented by a general formula (1): Si(OR)4 (where R represents methyl group or ethyl group) as a principal component and a compound (B) having a fluoro alkyl structure and a polysiloxane structure, is excellent scratch-proof property, stain resistance, and cured in a short period of time at comparatively low temperature.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: August 10, 2004
    Assignee: Nitto Denko Corporation
    Inventors: Minoru Miyatake, Tomoaki Masuda, Takayuki Shigematsu, Masahiro Yoshioka
  • Patent number: 6716792
    Abstract: The present invention relates to {circle around (1)} a metal oxide or metallic Lewis acid composition comprising the metal oxide or the metallic Lewis acid carried on a cross-linked polymer compound, {circle around (2)} a metal compound composition comprising the metal compound carried on a cross-linked product of a polymer compound containing a cross-linkable condensing functional group and/or a polymer containing a polymerizable double bond formed by a condensation reaction, {circle around (3)} a method for producing a metal compound composition comprising the metal compound carried on a cross-linked polymer compound, which comprises mixing a non-cross-linked polymer compound containing a cross-linkable condensing functional group and/or a polymer compound containing a polymerizable double bond formed by a condensation reaction with a metal compound, and then cross-linking the polymer compound, {circle around (4)} a carrier for carrying a metal compound comprising a 1st polymer compound containing a cross-l
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: April 6, 2004
    Assignees: Wako Pure Chemical Industries, Ltd., Shu Kobayashi
    Inventors: Kuniaki Okamoto, Mutsumi Sato, Atsunori Sano
  • Patent number: 6677407
    Abstract: The present invention relates to a method of making silicone release coating compositions comprising mixing a vinyl functional organopolysiloxane, an organohydrogensilicon compound, a platinum group metal-containing catalyst, and certain silylated acetylenic inhibitors.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: January 13, 2004
    Assignee: Dow Corning Corporation
    Inventors: Carl Joseph Bilgrien, Shawn Keith Mealey, Michael Ward Skinner
  • Patent number: 6670425
    Abstract: Anti-reflective compositions and methods of using those compositions with low dielectric constant materials are provided. In one embodiment, the compositions include polymers comprising recurring monomers having unreacted epoxide groups. In another embodiment, the polymers further comprise recurring monomers comprising epoxide rings reacted with a light attenuating compound so as to open the ring. The compositions can be applied to dielectric layers so as to minimize or prevent reflection during the dual damascene process while simultaneously blocking via or photoresist poisoning which commonly occurs when organic anti-reflective coatings are applied to low dielectric constant layers.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: December 30, 2003
    Assignee: Brewer Science, Inc.
    Inventors: Rama Puligadda, James E. Lamb, III, Tony D. Flaim, Runhui Huang, Xie Shao
  • Patent number: 6670430
    Abstract: Thermosetting resin compositions useful as underfill sealants for mounting a semiconductor devices onto a circuit board are provided, which include epoxy resins, an adhesion promoter having at least two secondary amine groups, and a curative based on the combination of nitrogen-containing compounds and transition metal complexes.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: December 30, 2003
    Assignee: Henkel Loctite Corporation
    Inventor: Mark M. Konarski
  • Patent number: 6667078
    Abstract: An epoxy resin composition having a viscosity of from 50 to 400 P at 25° C. is disclosed. The composition provides by casting a resin plate, particularly a transparent resin plate for a liquid crystal display, which has satisfactory thickness precision.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: December 23, 2003
    Assignee: Nitto Denko Corporation
    Inventors: Katsumi Shimada, Yutaka Aoki
  • Patent number: 6663916
    Abstract: Anti-reflective compositions and methods of using those compositions with low dielectric constant materials are provided. In one embodiment, the compositions include polymers comprising recurring monomers having unreacted epoxide groups. In another embodiment, the polymers further comprise recurring monomers comprising epoxide rings reacted with a light attenuating compound so as to open the ring. The compositions can be applied to dielectric layers so as to minimize or prevent reflection during the dual damascene process while simultaneously blocking via or photoresist poisoning which commonly occurs when organic anti-reflective coatings are applied to low dielectric constant layers.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: December 16, 2003
    Assignee: Brewer Science, Inc.
    Inventors: Rama Puligadda, James E. Lamb, III, Tony D. Flaim, Runhui Huang, Xie Shao
  • Patent number: 6664345
    Abstract: The present invention provides a novel oxazolidone ring-containing epoxy resin suitable for use as a resin for a coated film having a structure of the formula: wherein R3 represents a residue excluding epoxy groups of diepoxide, X represents a residue excluding isocyanate groups of polyurethane diisocyanate, and n represents an integer of 1 to 5; and wherein X has a structure of the formula: wherein R1 represents a residue excluding isocyanate groups of diisocyanate, R2 represents a residue excluding hydroxyl groups of diol, and m represents an integer of 2 to 10.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: December 16, 2003
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Shuhei Yamoto, Eiji Nakajima, Mitsuo Yamada
  • Patent number: 6652917
    Abstract: The present invention provides a method for forming a topcoat according to a 2-coat 1-bake system comprising the steps of applying to a substrate a thermosetting aqueous colored base coating composition, applying to the uncured surface of the base coat a clear coating composition, and curing the two coats by heating, wherein the clear coating composition is a thermosetting powder coating composition comprising: (A) an epoxy-containing resin; and (B) a curing agent containing acid anhydride (a) represented by formula X—COO—[CO—(CH2)m—COO]n—CO—X  (1) and at least one species selected from the group consisting of acid anhydride (b) represented by the formula HO—[CO—(CH2)p—COO]q—H  (2) and dibasic acid (c).
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: November 25, 2003
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Takato Adachi, Ichiro Yoshihara, Yugen Kawamoto
  • Patent number: 6653412
    Abstract: A curing agent for epoxy resins comprises: a) a reaction product of at least one polyalkylene polyether monoamine and/or polyamine with a polyepoxide and optionally, a monoepoxide to obtain an epoxide group-containing precursor, the precursor further reacted with a primary monoamine and/or a primary or secondary polyamine in at least a 10% molar excess relative to the epoxide groups of the precursor, the reaction product being substantially free of non-reacted amines; b) an amine-terminated adduct of an epoxy resin and a primary monoamine and/or a primary or secondary polyamine being substantially free of non-reacted amines; and c) an amine-terminated adduct of an epoxide group-containing reactive thinning agent and a primary monoamine and/or a primary or secondary polyamine being substantially free of non-reacted amines, wherein the epoxy resin of component b) and epoxide group-containing reactive thinning agent of c) are added to the epoxide group-containing precursor of component a) before the reaction
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: November 25, 2003
    Assignee: Bakelite AG
    Inventors: Markus Schrötz, Martin Fulgraff, Peter Martischewski, Jurgen Schillgalies, Rolf Herzog
  • Patent number: 6653371
    Abstract: This invention relates to curable epoxy-based compositions for use in the field of microelectronics, such as those having an epoxy compound which has two or more epoxy groups per molecule, a polythiol compound which has two or more thiol groups per molecule, a latent hardener, and at least one solid organic acid which is substantially insoluble in a mixture of the foregoing components at room temperature. The solid organic acid may be selected from the group consisting of: aliphatic, cycloaliphatic and aromatic carboxylic acids and derivatives thereof, aliphatic, cycloaliphatic, and aromatic quinones and derivatives thereof, phenols and derivatives thereof and enolisable aliphatic, cycloaliphatic and aromatic compounds and derivatives thereof. The solid organic acid should have a pKa of less than or equal to about 12.0, desirably less than or equal to about 10, and often less than or equal to 9.0, such as less than or equal to about 7.5.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: November 25, 2003
    Inventors: Barry E. Burns, Harry Woolfson, Paul Malone, Jonathan Wigham
  • Patent number: 6649700
    Abstract: A thermosetting powder coating composition prepared by a wet process, which contains a mixture comprising (a) an epoxy-containing acrylic resin, (b) a polycarboxylic acid compound curing agent, (c) fine crosslinked resin particles and, optionally, (d) a resin that exists in the liquid form at room temperature.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: November 18, 2003
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Masami Yabuta, Yutaka Harada, Atsushi Yamada, Yasuhiko Nakae, Kazuhiko Nishimura, Haruhiko Sato
  • Patent number: 6646064
    Abstract: A method for imparting flame retardance to an epoxy resin comprises reacting an epoxy resin with a phosphorus-containing dihydric phenol or naphthol derived from the reaction of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (i.e., DOPO) with a benzoquinone or naphthoquinone.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: November 11, 2003
    Assignee: National Science Council
    Inventors: Chun-Shan Wang, Jeng-Yueh Shieh
  • Patent number: 6646102
    Abstract: A process for manufacturing an &agr;-dihydroxy derivative from an aryl allyl ether wherein such &agr;-dihydroxy derivative can be used to prepare an &agr;-halohydrin intermediate and an epoxy resin prepared therefrom including epoxidizing an &agr;-halohydrin intermediate produced from a halide substitution of an &agr;-dihydroxy derivative which has been obtained by a dihydroxylation reaction of an aryl allyl ether in the presence of an oxidant or in the presence of an oxidant and a catalyst.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: November 11, 2003
    Assignee: Dow Global Technologies Inc.
    Inventors: Clinton J. Boriack, Zeng K. Liao, Thomas H. Kalantar
  • Patent number: 6646065
    Abstract: A curing agent for epoxy resins comprises: a) a reaction product of at least one polyalkylene polyether monoamine and/or polyamine with a polyepoxide and optionally, a monoepoxide to obtain an epoxide group-containing precursor, the precursor further reacted with a primary monoamine and/or a primary or secondary polyamine in at least a 10% molar excess relative to the epoxide groups of the precursor, the reaction product being substantially free of non-reacted amines; b) an amine-terminated adduct of an epoxy resin and a primary monoamine and/or a primary or secondary polyamine being substantially free of non-reacted amines; and c) an amine-terminated adduct of an epoxide group-containing reactive thinning agent and a primary monoamine and/or a primary or secondary polyamine being substantially free of non-reacted amines, and up to 50 mol % relative to the amino groups of a reactive thinning agent containing one or more epoxide groups per molecule.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: November 11, 2003
    Assignee: Bakelite AG
    Inventors: Markus Schrötz, Martin Fulgraff, Peter Martischewski, Jürgen Schillgalies, Rolf Herzog