Patents Represented by Attorney, Agent or Law Firm Timothy J. Troy
  • Patent number: 6432553
    Abstract: A method of preserving waterlogged materials and more specifically, preserving artifacts that have been submerged in water for long periods of time. A method of treating waterlogged materials that have been subjected to preservation techniques using polyethylene glycol as the preservative, and a method of restoring such materials from the deleterious effects of the glycol.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: August 13, 2002
    Assignee: Dow Corning Corporation
    Inventors: Jerome Melvin Klosowski, Charles Wayne Smith, Donny Leon Hamilton
  • Patent number: 6433057
    Abstract: A silicone composition, comprising (A) 10 to 50 parts by weight of a polydiorganosiloxane having the formula R13SiO(R12SiO)nSiR13 wherein each R1 is independently a monovalent aliphatic hydrocarbon group or a monovalent halogenated aliphatic hydrocarbon group, n has a value such that the polydiorganosiloxane has a viscosity from 0.1 to 200 Pa·s at 25° C., and the polydiorganosiloxane contains an average of at least two alkenyl groups per molecule; (B) 50 to 90 parts by weight of an organopolysiloxane resin consisting essentially of R23SiO1/2 siloxane units and SiO4/2 siloxane units wherein each R2 is independently alkyl or alkenyl, the mole ratio of R23SiO1/2 units to SiO4/2 units is from 0.65 to 1.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: August 13, 2002
    Assignee: Dow Corning Corporation
    Inventors: Dorab Edul Bhagwagar, Don Lee Kleyer, Michael Andrew Lutz
  • Patent number: 6398860
    Abstract: A sizing agent composition for printing paper comprising (A) a water-soluble diorganopolysiloxane described by formula  where each R is independently selected from the group consisting of a hydrogen atom, methyl group, and ethyl group, each R1 is an independently selected monovalent hydrocarbon group comprising 1 to 20 carbon atoms, Q is an organic group comprising an amino group or quaternary ammonium salt, m is an integer equal to or greater than 2, n is 0 or an integer equal to or greater than 1, and (m+n) is in the range of 2 to 100; (B) a sizing agent; and (C) water.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: June 4, 2002
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Isao Ona, Hiroki Ishikawa, Tadashi Takimoto, Tsutomu Naganawa
  • Patent number: 6399559
    Abstract: This invention relates to organosilyl peroxide compounds which are stable in aqueous systems and are used for bleaching and cleaning applications. More particularly, this invention is concerned with the stability of bis(organosilyl)peroxides when formulated in aqueous and non-aqueous delivery systems. The liquid detergents containing the organosilyl peroxide compounds of this invention exhibit excellent bleaching performance and stain removal properties on fabrics at typical low wash temperatures.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: June 4, 2002
    Assignees: Dow Corning Corporation, Dow Corning SA
    Inventors: Russell Allen Elms, Franck Renauld, Anil K. Tomar
  • Patent number: 6368535
    Abstract: A condensation reaction curable silsesquioxane resin composition and methods for its preparation and cure are disclosed. By modifying the silsesquioxane resin with a silyl-terminated hydrocarbon, such as a silphenylene, the resulting silsesquioxane resin has improved strength and toughness without significant loss of modulus.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: April 9, 2002
    Assignee: Dow Corning Corporation
    Inventors: Dimitris Elias Katsoulis, Bizhong Zhu
  • Patent number: 6310146
    Abstract: A cured silsesquioxane resin and method for its preparation are disclosed. By using a silyl-terminated hydrocarbon in the hydrosilylation reaction curable composition used to prepare the cured silsesquioxane resin, the cured silsesquioxane resin has improved strength and toughness without significant loss of modulus. A typical silyl-terminated hydrocarbon useful in this invention is silphenylene.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: October 30, 2001
    Assignees: Dow Corning Corporation, Massachusetts Institute of Technology
    Inventors: Dimitris Elias Katsoulis, Zhongtao Li, Frederick Jerome McGarry, Bihn Thanh Nguyen, Bizhong Zhu
  • Patent number: 6300426
    Abstract: This invention relates to a silicone composition comprising: (A) a mixture of (i) a linear trimethylsiloxy-terminated polydiorganosiloxane containing at least 2 alkenyl groups having at least 4 carbon atoms and (ii) optionally a linear dimethylalkenylsiloxy-terminated polydiorganosiloxane, (B) a polyorganohydrogensiloxane, (C) a catalytic quantity of a platinum catalyst, and (D) an inhibitor. The silicone compositions of this invention make it possible to form cured release films with low resistance to peeling when peeling is carried out at high speeds, and with the possibility of controlling the resistance to peeling between low and high values when peeling is carried out at low speeds. The silicone compositions of this invention also are not subject to a decrease in the coefficient of residual adhesion in the adhesive material applied onto a cured release film.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: October 9, 2001
    Assignee: Dow Corning Toray Silicone Company, Ltd.
    Inventors: Taku Koyama, Atsushi Togashi, Takateru Yamada
  • Patent number: 6297341
    Abstract: A silicone-containing polyimide resin, a silicone-containing polyamic acid, and methods for manufacturing these. More particularly, a silicone-containing polyimide resin with superior heat resistance and flexibility, a silicone-containing polyamic acid for which this polyimide resin is a raw material, and methods for manufacturing these.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: October 2, 2001
    Assignee: Dow Corning Toray Silicone Company LTD
    Inventors: Hiroshi Ueki, Yoshitsugu Morita, Haruhiko Furukawa
  • Patent number: 6268432
    Abstract: A filler/adhesive agent for display units containing a condensation reaction curable silicone composition including air oxidation-curable unsaturated compounds and for use as a filler or adhesive in display units whose construction is such that the cured product of said composition is exposed in the display section, which composition is capable of forming matte finished cured products with insignificant surface tact, is disclosed.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: July 31, 2001
    Assignee: Dow Corning Toray Silicone Co. Ltd.
    Inventors: Toshiki Nakata, Masayuki Onishi
  • Patent number: 6255373
    Abstract: A curable silicone resin composition contains (A) 100 parts by weight of a silicone resin having condensation-reactive group, (B) 1 to 100 parts by weight of an inorganic fine powder, (C) 0.5 to 50 parts by weight of a silazane compound; and (D) an arbitrary amount of an organic solvent. The curable silicone resin composition cures to form a cured coating film with excellent water-repellent properties.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: July 3, 2001
    Assignee: Dow Corning Toray Silicone Company, Ltd.
    Inventors: Shoji Akamatsu, Motoshi Sasaki
  • Patent number: 6252029
    Abstract: This invention relates to a hydroxyphenyl group-containing organosilicon compound of the formula: where X is an alkenyl group; Z is a phenylene group or a carbonyloxy group expressed by —C(O)O-1, Y is a substituted or unsubstituted hydroxyphenyl group, R1 is a hydrocarbon group with two or more carbon atoms, with the various groups being the same or different, R is a monovalent hydrocarbon group containing no aliphatic unsaturated bonds, A is a divalent hydrocarbon group with one or more carbon atoms or a group expressed by the formula —R2—O—R2— where R2 is a divalent hydrocarbon group, m and p are 0 or 1, n is a number from 0 to 2, and q is an integer from 0 to 7. These compounds are useful in curable organosiloxane compositions.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: June 26, 2001
    Assignee: Dow Corning Toray Silicone Co. Ltd.
    Inventors: Masaaki Amako, Tadashi Okawa
  • Patent number: 6242408
    Abstract: This invention relates to organosilyl peroxide compounds which are stable in aqueous systems and are used for bleaching and cleaning applications. More particularly, this invention is concerned with the stability of bis(organosilyl)peroxides when formulated in aqueous and non-aqueous delivery systems. The liquid detergents containing the organosilyl peroxide compounds of this invention exhibit excellent bleaching performance and stain removal properties on fabrics at typical low wash temperatures.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: June 5, 2001
    Assignees: Dow Corning Corporation, Dow Corning, S.A.
    Inventors: Russell Allen Elms, Franck Renauld, Anil K. Tomar
  • Patent number: 6242058
    Abstract: A method for forming coatings from radiation curable compositions comprising an alkenyl ether functional polyisobutylene, a cationic photoinitiator, and optionally a free radical photoinitiator and/or an alkenyl ether compound which is free of isobutylene units on to components such as fiber optics where the component is at a temperature greater than about 50° C. and preferably at a temperature within a range of greater than about 80° C. to 120° C. The coating may be overcoated with an acrylate functional polymer.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: June 5, 2001
    Assignee: Dow Corning Corporation
    Inventors: Maneesh Bahadur, Toshio Suzuki
  • Patent number: 6211323
    Abstract: The present invention relates to triorganosiloxy-endblocked poly(methyl(C6-C40alkyl)siloxane)-poly(methyl(aralkyl)siloxane)-poly(methyl(C2-C4alkyl)siloxane) terpolymers. This invention also relates to two different methods of making these terpolymers. The triorganosiloxy-endblocked poly(methyl(C6-C40alkyl)siloxane)-poly(methyl(aralkyl)siloxane)-poly(methyl(C2-C4alkyl)siloxane) terpolymers of this invention are useful as mold release agents in aluminum die cast release agents, rubber lubricants, and as high reflexive index additives for the personal care industry.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: April 3, 2001
    Assignees: Dow Corning Corporation, Dow Corning Asia, Ltd.
    Inventors: Keiichi Akinaga, Qian Jane Feng, Lenin James Petroff
  • Patent number: 6207722
    Abstract: The present invention relates to a foam control composition and to its use in foaming systems. More particularly, this invention relates to a foam control composition comprising a polysiloxane and a resin-filler made from MQ resins having at least one polyoxyalkylene group. The compositions of this invention exhibit excellent defoam effects and antifoam persistency.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: March 27, 2001
    Assignees: Dow Corning Corporation, Dow Corning S.A.
    Inventors: Donnie Ray Juen, Bianxiao Zhong, Mercedes Diaz, Tessa Johnson
  • Patent number: 6187834
    Abstract: This invention relates to a radiation curable silicone coating composition comprising an alkoxylated resin-polymer organosilicone network containing radiation curable functionality and a cationic photoinitiator. The radiation curable silicone compositions of this invention are useful as fast curing low and high release coating compositions which are especially suitable for release of pressure sensitive adhesives.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: February 13, 2001
    Assignee: Dow Corning Corporation
    Inventors: Leroy Elton Thayer, James Steven Tonge, Gary Allen Vincent
  • Patent number: 6184407
    Abstract: To provide a novel branched siloxane-silalkylene copolymer whose molecule contains a plural number of silicon-bonded hydrogen atoms or silicon-bonded alkoxy groups.
    Type: Grant
    Filed: May 24, 1999
    Date of Patent: February 6, 2001
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Makoto Yoshitake, Satoshi Onodera
  • Patent number: 6180236
    Abstract: Novel hollow silicone resin particles, having an average particle size of 0.1 to 100 &mgr;m are disclosed. The silicone resin particles comprise a skin formed from thermoplastic silicone resin configured in the shape of a hollow capsule. The hollow thermoplastic silicone resin particles are prepared by spraying a dispersion of water and thermoplastic silicone resin dissolved in solvent into hot gas. The hot gas evaporates the solvent and water and at the same time causes solidification of the thermoplastic silicone resin while it is in the spray state, so as to form a plurality of hollow particles therefrom.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: January 30, 2001
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Mitsuo Hamada, Koichi Ozaki, Toyohiko Yamadera
  • Patent number: 6171515
    Abstract: A fiber treatment composition is disclosed. The composition contains siloxanes having amine-, polyol-, functionalities. The composition provides good hand, resistance to yellowing, and hydrophilicity to the fibers. The composition is preferably formulated as an aqueous emulsion. Applying the composition to textile fabrics produces treated fabrics having good hydrophilicity, good hand, and resistance to yellowing.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: January 9, 2001
    Assignees: Dow Corning Corporation, Dow Corning, Ltd.
    Inventors: Martin John Evans, Howard Edwin Griffin, Raymond Kemp, Linda Denise Kennan, Kenneth Edward Zimmerman
  • Patent number: 6165968
    Abstract: This invention relates to a particulate foam control agent comprising from 1 to 30 parts by weight of a silicone antifoam, from 70 to 99 parts by weight of a zeolite carrier for the antifoam, from 1 to 60% by weight of the silicone antifoam of a surface active agent which has been deposited on the zeolite carrier not later than the silicone antifoam and from 1 to 40 parts by weight of a polycarboxylate-type binder or encapsulant, whereby the polycarboxylate-type binder has a pH of 3 or less when dissolved in water. The invention also relates to a detergent composition comprising the particulate foam control agent and a method for the preparation of the foam control agent.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: December 26, 2000
    Assignee: Dow Corning S. A.
    Inventor: Bertrand Lenoble