Patents Examined by Robert E. L. Sellers
  • Reacting diglycidyl, bisphenol and monophenol with catalyst and mixing with polyglycidyl
    Patent number: 6350825
    Abstract: An epoxy resin mixture is prepared by a) the reaction of (i) a diglycidyl compound, (ii) a bisphenol compound and (iii) at least one monophenol at temperatures of from 160 to 170° C. in the presence of an advancement catalyst that can be thermally deactivated, (b) upon completion of the reaction, the catalyst is deactivated by heating to a temperature of approximately 180° C. wherein (A1) one or more epoxy resins having an epoxy functionality of greater than two is added, and c) the resulting epoxy resin mixture is homogenized at that temperature.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: February 26, 2002
    Assignee: Vantico Inc.
    Inventors: Jürgen Finter, Isabelle Frischinger, Christine Poget
  • Glycidation of carboxy polyester and tertiary C monocarboxyic acid (glycidyl ester)
    Patent number: 6346582
    Abstract: Compositions prepared by the glycidation of at least one (a) carboxy polyfunctional polyester and at least one (b) &agr;,&agr;-branched monocarboxylic acid containing a tertiary carbon atom and from 5 to 12 carbon atoms, or a glydicyl ester thereof, a curing agent and, optionally, a catalyst, and coating and or casting compositions containing them.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: February 12, 2002
    Inventors: Petrus Gerardus Kooijmans, Eric Johannes Vos, Michael James Watkins
  • Amine-modified epoxy resin reacted in presence of latent hardener
    Patent number: 6346573
    Abstract: A method for the manufacture of a one-component epoxy resin system comprises mixing at 15-30° C. and reacting at room temperature over 2-14 days (A) an epoxy resin and (B) an amine solidifying system present in insufficient quantities to cause gelation to yield a product with a Kofler Heat Bank melting point of less than 55° C. and a melting point stability of at least six months at normal workshop temperatures in the presence of (C) a hardener for (A) and the reaction product of (A) and (B) which is different from (B) and remains unreacted with (A) and (B) during the their reaction, (E) an expanding agent and (D) additives other than the expanding agent, provided that the reaction between (A) and (B) does not generate enough heat to activate a reaction between the remaining epoxy groups and hardener (C) or expanding agent (E).
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: February 12, 2002
    Assignee: Vantico Inc.
    Inventor: Peter Drummond Boys White
  • Fine particle/polyester slurry melt-kneaded in extruder with polyester
    Patent number: 6340443
    Abstract: A polyester composition containing fine particles with an average size of 0.03-1.8 &mgr;m which have been surface-modified with polyester (B) of which less than 70 mole percent of the repeating units consist of ethylene terephthalate, butylene terephthalate or ethylene naphthalate units, in polyester (A) of which at least 70 mole percent of the repeating units consist of ethylene terephthalate, butylene terephthalate or ethylene naphthalate units. The composition has a filtration pressure increase rate of no greater than 10 kg cm2/hr when filtered using a double layer of 2400 mesh wire filters with an inner diameter of 64 mm&phgr;, a temperature of 290° C. and a filtration rate of 33.3 g/min.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: January 22, 2002
    Assignee: Teijin Limited
    Inventors: Hideshi Kurihara, Seiichi Takao, Kazumoto Miyajima, Shinya Yamamoto, Toru Takase
  • Method of coating a game ball with a solvent-based polyurethane cured with catalyst
    Patent number: 6340503
    Abstract: A method of coating a game ball with a rapidly curing polyurethane coating system is described herein. The coating system comprises a mixture of a polyol, an isocyanate, a solvent and a high level of catalyst which accelerates the curing process. The coating is a two-part polyurethane system which is preferably applied by spraying. The coating is particularly well-suited for use on golf balls, and also can be applied to other game balls such as softballs, baseballs, cricket balls.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: January 22, 2002
    Assignee: Spalding Sports Worldwide, Inc.
    Inventors: Vincent Simonds, Richard K. Gendreau, Thomas J. Kennedy, III
  • Carpet fibers from polyamide and sulfonated polyester concentrate
    Patent number: 6334877
    Abstract: A fiber-forming polyamide composition contains a fiber forming polyamide and a sulfonated polyester concentrate, the concentrate disabling and dye sites in the polyamide so that fibers formed from the composition will have enhanced stain and soil resistance. The sulfonated polyester concentrate contains a reagent, preferably an alkali metal salt of 5-sulfoisophthalic acid, and thermoplastic polyester, preferably one or more of PET PTT, PBT, PETG and poly(ethylene terephthalate-co-isophthalate).
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: January 1, 2002
    Assignee: Prisma Fibers, Inc.
    Inventor: Matthew B. Studholme
  • Water-based neutralized tertiary amino and/or acidic vinyl polymer with epoxy and hydrolyzable silyl compound
    Patent number: 6333368
    Abstract: A curable composition useful in water-based paints comprises a water-based product obtained by dispersing or dissolving in water a vinyl polymer (II) containing tertiary amino and/or acidic groups which have been neutralized by an acidic or basic compound, an epoxy and hydrolysable silyl groups-containing compound (B), and a hydrolysable silyl and/or silanol groups-containing compound (F).
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: December 25, 2001
    Assignee: Dainippon Ink & Chemicals, Inc.
    Inventors: Nobuo Harui, Masataka Ooka
  • Tetramethylpiperidyl-containing polysiloxane or polyamine/cyanuric cl/tetramethyl-4-piperidylamine stabilizer
    Patent number: 6328912
    Abstract: A mixture for stabilizing polyolefins containing A) either (A1) at least one compound of the formula in which R1 is for example C1-C10alkyl; R2 is C3-C10alkylene; R3 is for example hydrogen or C1-C8alkyl; and n1 is a number from 2 to 50; or (A2) a product obtainable by reacting a product—obtained by reaction of a polyamine of the formula in which n2′, n2″ and n2′″ are a number from 2 to 12 with cyanuric chloride—with a compound of the formula wherein R4 is for example hydrogen or C1-C12alkyl; and R5 is as defined for R3 and B) magnesium oxide, magnesium hydroxide, C) zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium, or a hydrotalcite; and at least one of C1) an UV absorber or C2) 2 pigment.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: December 11, 2001
    Assignee: CIBA Specialty Chemicals Corp.
    Inventor: François Gugumus
  • Phenyl, naphthyl or fluorene cyclopentyl epoxy resins
    Patent number: 6329492
    Abstract: This invention provides a compound suitable as an encapsulating material for electronic devices and having a high Tg, low moisture-absorptive, high adhesion and rich fluidity, which is a cyclopentylene compound represented by Formula (I) and its intermediate cyclopentenyl compound represented by Formula (III). In the formula, m is 0 or more, Ar1 and Ar2 are each a phenol residual group, a naphthol residual group or a fluorene derivative residual group, and each contain a hydroxyl group or a glycidyloxyl group.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: December 11, 2001
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Haruaki Sue, Shinsuke Hagiwara, Fumio Furusawa, Seiichi Akagi, Akihiro Kobayashi, Hideki Yokoyama
  • Epoxidized phenol-hydroxybenzaldehyde condensate, bisphenol-formaldehyde condensate and masked imidazole
    Patent number: 6329474
    Abstract: An epoxy resin composition for printed wiring boards which comprises as the essential components (a) an epoxy resin obtained by epoxidizing a condensation product of a phenol with hydroxybenzaldehyde, (b) a condensation product of bisphenol A with formaldehyde, (c) a flame retardant, and (d) a curing accelerator, and a laminate for printed wiring boards which has a low hygroscopicity, a high heat resistance, good high-temperature characteristics, a high resistance against electrolytic corrosion, a high resistance against color change due to heating, and a high Tg.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: December 11, 2001
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Michitoshi Arata, Shigeo Sase, Nozomu Takano, Tomio Fukuda
  • Powder coating of epoxy-acrylic resin, polycarboxylic acid, crosslinked particles and liquid resin
    Patent number: 6313221
    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/or (d) a resin that exists in the liquid form at room temperature.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: November 6, 2001
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Masami Yabuta, Yutaka Harada, Atsushi Yamada, Yasuhiko Nakae, Kazuhiko Nishimura, Haruhiko Sato
  • Coating of film-forming resin and functional flow control copolymer
    Patent number: 6313224
    Abstract: Curable coating compositions comprising either a liquid or particulate curable film-forming resinous material, a flow control agent which is a copolymer and optionally a carrier for the liquid resinous material. The copolymer is from at least one non-amino, non-hydroxyl and non-acid functional alkyl acrylate or methacrylate containing from 1 to 20 carbon atoms in the alkyl group, and functional monomer of either (i) amino functional acrylates and methacrylates in an effective amount to give the copolymer an amine value in the range from 2 to 70, or (ii) acid functional acrylate and methacrylate in an effective amount to give the copolymer an acid value in the range of from 10 to 30. Additionally, with either functional monomer (i) or (ii) another functional comonomer (iii) can be present in the copolymer which is hydroxyalkyl acrylate and/or hydroxyalkyl methacrylate and/or caprolactone polyol monomer.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: November 6, 2001
    Assignee: PPG Industrial Ohio, Inc.
    Inventors: Debra L. Singer, Kurt G. Olson, Kurt A. Humbert, Karen A. Barkac, Mark E. Wozniak
  • Gas barrier coating of polyamine, polyepoxide and hydroxyaromatic compound
    Patent number: 6309757
    Abstract: Gas barrier coating compositions are provided which include a polyamine component, a polyepoxide component and a hydroxy-substituted aromatic compound that is present in an amount sufficient to provide a gas barrier coating having an oxygen permeability less than or equal to 75 percent of the oxygen permeability of the same composition without a hydroxy-substituted aromatic compound. Also provided is a multi-layer packaging material having at least one gas permeable packaging material layer and at least one gas barrier material layer formed from the gas barrier coating composition. Sealable containers are also provided.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: October 30, 2001
    Assignee: PPG Industries Ohio, inc.
    Inventors: Leland H. Carlblom, Cynthia Kutchko, Ken W. Niederst
  • Flame retardant polyetherimide resin composition with polycarbonate and polysiloxane
    Patent number: 6310145
    Abstract: A thermoplastic resin composition containing a polyetherimide resin, an aromatic polycarbonate resin and a functionalized polysiloxane polymer exhibits flame retarding properties.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: October 30, 2001
    Assignee: General Electric Company
    Inventors: Robert Puyenbroek, Darryl Nazareth
  • Substrate coated with powdered non-crystalline and crystalline epoxy resins
    Patent number: 6309751
    Abstract: To a substrate such as brass is applied a powder coating comprising a) at least one non-crystalline epoxy resin, b) at least one crystalline epoxy resin such as tetramethylbisphenol diglycidyl ether in an amount sufficient to reduce or eliminate bubble entrapment within the cured coating when cured at a temperature of below about 350° F. (about 177° C.), and c) a curing agent such as dicyandiamide.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: October 30, 2001
    Assignee: Rohm and Haas Company
    Inventors: William G. Ruth, Stacy L. Greth, Carryll A. Seelig, Dean A. Schreffler
  • Evaluating moisture resistance reliability of phosphonium borate catalyst
    Patent number: 6306792
    Abstract: The moisture resistance reliability of a latent catalyst is evaluated for a phosphonium borate wherein at least one group pendant on the boron atom is a group formed when a proton donor having at least one proton capable of being liberated out of the molecule has liberated one or at least two protons, the evaluation comprising (1) mixing one gram of the proton donor wherefrom the latent catalyst is derived with 50 grams of purified water to obtain an aqueous mixture, (3) subjecting the aqueous mixture to pressure cooker treatment at a temperature of 125° C. for 20 hours in a pressure cooker vessel to obtain an extraction mixture, and (4) measuring the electrical conductivity of the extraction mixture wherein the acceptable electrical conductivity of the extraction mixture is no greater than 1,000 &mgr;S/cm.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: October 23, 2001
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Sumiya Miyake, Akiko Okubo, Hiromi Honda, Yoshiyuki Go, Hiroshi Nagata, Minoru Kobayashi
  • Hydroxyl group-containing resin and amidoalcohol-blocked polyisocyanate
    Patent number: 6303707
    Abstract: There is disclosed a resin composition for electrodeposition paint comprising (A) a resin containing hydroxyl groups, and (B) a polyisocyanate compound blocked with an amidoalcohol having at least one amide bond and at least one alcoholic hydroxyl group in the molecule, excellent in storage stability and capable of forming a coating film excellent in low temperature curability.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: October 16, 2001
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Shigeo Nishiguchi, Sinzi Hirato, Reijiro Nishida
  • Quaternized product of epoxy resin, acid and tertiary amine with curing agent
    Patent number: 6300428
    Abstract: The invention provides aqueous, solvent based, and solvent-free curable coating compositions which include (A) the reaction product of an epoxy resin, acid, and tertiary amine; (B) a reactive diluent, and, optionally, (C) a curing agent. The compositions are useful for forming cured coated substrates, that are especially suitable for food and beverage packaging.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: October 9, 2001
    Assignee: The Valspar Corporation
    Inventors: Thomas A. Stevenson, Larry Brandenburger, William McCarty, John Mazza, Jeffrey Niederst
  • Heat-setting single-component LVA (low viscosity adhesive) system for bonding in the micro-range
    Patent number: 6297344
    Abstract: A composition comprises from 60-98 weight percent of a casting resin such as an epoxy resin, from 2-30 weight percent of an alcohol or sugar such as 3 (4), 8 (9)-bis(hydroxymethyl)tricyclo[5.2.1.02,6]decane, from 0.2 to 2.0 weight percent of a thermal initiator such as an onium salt, from 0.2-2.0 weight percent of a bonding agent such as 3-glycidyloxypropyltrimethoxysilane, from 0-3.0 weight percent of a flow improver, from 0.2-5.0 weight percent of a metal complex with an organic ligand such as an amino acid, acetate, carbonic acid, amine and acetylacetonate including zinc di-(2-ethylhexanoate) and from 0-4 weight percent of a thixotropic agent and/or a flow modifier.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: October 2, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Klaus Höhn, Heiner Bayer
  • Epoxy(meth)acrylates, a process for their production and their use as binders
    Patent number: RE37448
    Abstract: The present invention relates epoxy(meth)acrylates which are substantially free from epoxide groups and are the reaction products of organic compounds containing epoxide groups and having a number average molecular weight (Mn) of 130 to 1000 with I) compounds containing carboxyl and ester groups at an equivalent ratio of carboxyl groups to epoxide groups of 0.7:1.0 to 1.0:1.0, wherein compounds I) are reaction products of A) organic dicarboxylic acids or dicarboxylic acid anhydrides having a molecular weight of 98 to 164 with B) reaction products containing alcoholic hydroxyl groups and prepared at a COOH/OH equivalent ratio of 0.6 to 0.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: November 13, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Juergen Meixner, Wolfgang Fischer