Patents Assigned to Momentive Performance Materials
  • Preparation of isocyanato silanes
    Patent number: 9309271
    Abstract: A process for the preparation of alkoxysilyl group-containing isocyanate compounds which includes the step of reacting carbonyl chloride ClC(?O)Cl with an alkoxysilyl group-containing amine in the presence of a high boiling point base, and optionally in the presence of an inert organic solvent, in order to minimize by product production and to simplify product purification, is disclosed.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: April 12, 2016
    Assignee: Momentive Performance Materials GmbH
    Inventors: Tiberiu L. Simandan, Roland Wagner, Holger J. Glatzer, Karl-Heinz Sockel, Karl-Heinz Stachulla, Christian Wenske
  • Functionalized polyorganosiloxanes or silanes for the treatment of lignocellulosic materials
    Patent number: 9308668
    Abstract: The present invention relates to functionalized polyorganosiloxanes or silanes for the treatment of lignocellulosic materials.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: April 12, 2016
    Assignee: Momentive Performance Materials GmbH
    Inventors: Johannes Gerardus Petrus Delis, Egbert Klaassen, Jörg-Walter Hermann, Holger Militz, Carsten Mai, Malte Pries, Roland Wagner, Karl-Heinz Sockel, Karl-Heinz Stachulla, Karl-Heinz Käsler, Gunnar Hoffmüller
  • Hydrophilic silicone composition
    Patent number: 9296764
    Abstract: A composition comprising a carbocyclic group and a hydrophilic moiety attached thereto an alpha, beta-unsaturated organosilicon compound. Such compounds are useful in developing water absorbing silicone-hydrogel films. Silicone-hydrogel films provide increased oxygen to pass through a lens or other treated materials.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: March 29, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Shreedhar Bhat, Sandeep Naik, Anubhav Saxena, Kenrick M. Lewis
  • Cyclic diol-derived blocked mercaptofunctional silane compositions
    Patent number: 9290520
    Abstract: Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic diol-derived blocked mercaptofunctional silanes, processes for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: March 22, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Richard W Cruse, Leda N. Gonzalez, Rodica Himmeldirk, Larry Allen Divens, Melinda Jackson, Eric Raymond Pohl, Antonio Chaves
  • Free-formed quartz glass ingots and method for making same
    Patent number: 9290404
    Abstract: A method to form quartz glass ingots of ultra low contamination and defect levels by firing a high-purity quartz form as the feedstock, wherein the quartz glass ingot is free-formed on a platen rotating concentrically with the feedstock quartz article.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: March 22, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Michael Peter Winnen, Todd R. Springer
  • Method of making a gallium nitride crystalline composition having a low dislocation density
    Patent number: 9279193
    Abstract: A method for growing a crystalline composition, the first crystalline composition may include gallium and nitrogen. The crystalline composition may have an infrared absorption peak at about 3175 cm?1, with an absorbance per unit thickness of greater than about 0.01 cm?1. In one embodiment, the composition may have an amount of oxygen present in a concentration of less than about 3×1018 per cubic centimeter, and may be free of two-dimensional planar boundary defects in a determined volume of the first crystalline composition.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: March 8, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Mark Philip D'Evelyn, Kristi Jean Narang, Dong-Sil Park, Huicong Hong, Xian-An Cao, Larry Qiang Zeng
  • Siloxane organic hybrid materials providing flexibility to epoxy-based coating compositions
    Patent number: 9273225
    Abstract: Disclosed herein are epoxy-based compositions that include a polysiloxane flexibilizer and amino-functional alkoxysilane, which provides flexibility, hardness and gloss to such compositions and that are useful as coatings, adhesives, sealants and composites. Also disclosed are cured compositions and substrates coated with such epoxy-based compositions.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: March 1, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Christian Geismann, Vikram Kumar, Constantine Kondos
  • Hydrophilic silicone monomers, process for their preparation and thin films containing the same
    Patent number: 9255199
    Abstract: There is provided new mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: February 9, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Kendall Louis Guyer, Kenrick Martin Lewis, Senthilkumar Umapathy, Anubhav Saxena, Yi-Feng Wang
  • Slurry phase direct synthesis of organohalosilanes from cyclone fines
    Patent number: 9249165
    Abstract: The present invention is directed to a process for the synthesis of organohalosilane monomers, comprising the steps of (1) forming a slurry of cyclone fines, ultra fines and/or spent contact mass in a thermally stable solvent and reacting the agitated slurry with an organohalide of the formula R1X in the presence of an additive for a time and at a temperature sufficient to produce organohalosilane monomers having the formulae R1SiHX2, R12SiHX, R13SiX, R1SiX3, and R12SiX2; wherein R1 is a saturated or unsaturated aromatic group, a saturated or unsaturated aliphatic group, alkaryl group, or cycloaliphatic hydrocarbyl group, and X is a halogen; and (2) recovering said organohalosilane monomers.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: February 2, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Kenrick Martin Lewis, Yanjun Zhu, Abellard T. Mereigh, John Razzano, John David Neely
  • Epoxy-containing polysiloxane oligomer compositions, process for making same and uses thereof
    Patent number: 9243152
    Abstract: The present invention relates to stable, zero or low VOC epoxy-containing polysiloxane oligomer compositions that provide for a high degree of chemical resistance to compositions containing organic resins, while at the same time, maintaining or improving the flexibility of these organic resin-containing compositions, to processes for preparing epoxy-containing polysiloxane oligomer compositions, and to uses in coatings, sealants, adhesives, and composites containing the same.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: January 26, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Narayana Padmanabha Iyer, Lesley Hwang, Vikram Kumar, Christian Geismann, Constantine Kondos, Shiu-Chin Su
  • Association product of amino functional hydrophobic polymers with hydrophilic polymers containing acid groups, methods of preparation, and applications for employing the same
    Patent number: 9243142
    Abstract: There is provided herein a composition comprising the non-covalent bonded reaction product of a hydrophilic polymer containing an acid functional group and a hydrophobic polymer which contains an amine group bound directly to the hydrophobic polymer backbone; and, optionally a diluent, as well as a process of making such a composition.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: January 26, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Anne Dussaud, Ning Lu
  • Catalytic process for the preparation of thiocarboxylate silane
    Patent number: 9206203
    Abstract: The invention is directed to a process for the preparation of thiocarboxylate silane comprising reacting an aqueous solution of a salt of a thiocarboxylic acid with a haloalkyl silane in the presence of a solid inorganic oxide-supported phase transfer catalyst. The invention is also directed to a process for the preparation of an aqueous solution of a salt of a thiocarboxylic acid which comprises reacting an aqueous solution of a sulfide and/or hydrosulfide with an acid halide in the presence of a said solid catalyst.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: December 8, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Tiberiu Ladislau Simandan, Ilaria Vecchi, Holger Jurgen Glatzer
  • RELEASE MODIFIER COMPOSTION
    Publication number: 20150344740
    Abstract: There is described a release composition including a polyorganosiloxane polymer and a release modifier. The release modifier includes comprising an alkenyl silsesquioxane an organo functional siloxane of the formula MDxM, wherein M represents R3SiO1/2, D represents R2SiO2/2, wherein R is alkyl or alkenyl of 1 to 40 carbon atoms, or hydrogen wherein the organo functional siloxane has a viscosity of from about 5 centipoises to about 80 centipoises and x is from about 5 to about 80, and an optionally a reactive diluent. The release composition includes at least one siloxane cross-linking agent, an inhibitor; and a hydrosilation catalyst.
    Type: Application
    Filed: May 27, 2014
    Publication date: December 3, 2015
    Applicant: Momentive Performance Materials Inc.
    Inventors: Roy Melvin Griswold, Melania Lapinski
  • Silylated polyurethane/polyorganosiloxane blend and sealant composition and fumed silica composition containing same
    Patent number: 9200160
    Abstract: There is provided herein a composition comprising: (A) a silanol and/orhydrocarbon-terminated polyorganosiloxane in an amount of from about 30 weight percent to about 90 weight percent; and, (B) a moisture curable silylated polyurethane resin in an amount of from about 10 weight percent to about 70 weight percent. There is also provided herein in another embodiment a two part sealant composition wherein the first part comprises: (A) a silanol and/or hydrocarbon-terminated polyorganosiloxane in an amount of from about 15 weight percent to about 60 weight percent, (B) a moisture curable silylated polyurethane resin in an amount of from about 2 weight percent to about 32 weight percent, and (C) a filler, said weight percents being based on the weight of the first part.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: December 1, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Indumathi Ramakrishnan, Shayne Joseph Landon, David A. Williams, Anantharaman Dhanabalan
  • Silicon-containing zwitterionic linear copolymer composition
    Patent number: 9200119
    Abstract: A silicon-containing copolymer which includes zwitterionic linking groups with the general structures —N+(Y?)(Z)— or —N(Z*)— and repeating groups which can be divalent silicone moieties, divalent hydrocarbons or divalent polyethers. The copolymer can be used in personal care products, fertilizers and other agricultural products, pesticides, antifouling agents, and various waterborne coating formulations.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 1, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Monjit Phukan, Anubhav Saxena, Ravikumar Kodagahally, Mark Leatherman
  • Continuous process for the preparation of thiocarboxylate silane
    Patent number: 9193742
    Abstract: The invention is directed to a process for the preparation of thiocarboxylate silane comprising reacting an aqueous solution of a salt of a thiocarboxylic acid with a haloalkylalkoxysilane in the presence of a solid supported catalyst. The invention is also directed to a process for the preparation of an aqueous solution of a salt of a thiocarboxylic acid which comprises reacting an aqueous solution of a sulfide and/or hydrosulfide with a carboxylic acid halide and/or acid anhydride.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: November 24, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Tiberiu Ladislau Simandan, Andrea Trotto, Ilaria Vecchi, Ottavio Ursitti
  • STABILIZATION OF POLYACRYLAMIDE EMULSION FORMULATIONS
    Publication number: 20150329763
    Abstract: The current invention provides a method to form a stable blend of polyacrylamide water-in-oil emulsion and breaker surfactants such as silicon polyether copolymer and linear or branched alcohol ethoxylate surfactants. The composition can be employed, for example, as a friction reducing additive for water based fracturing fluid, or a drilling mud additive.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 19, 2015
    Applicant: Momentive Performance Materials Inc.
    Inventors: Mukesh Kumar, Kalman KOCZO, John TERRACINA
  • HEAT CURABLE ADDITION-REACTIVE TYPE SILICONE RUBBER COMPOSITION
    Publication number: 20150299398
    Abstract: The present invention provides a heat curable addition-reactive type silicone rubber composition which gives a molded article having excellent antistatic property, heat resistance, compression set property. A heat curable addition-reactive type silicone rubber composition includes: (A) a mixture containing a heat curable addition-reactive silicone rubber and a curing agent, (B) an ionic liquid in an amount of 30 to 3000 ppm relative to 100 parts by mass of the component (A), wherein the curing agent is not included in the 100 parts by mass, (C) a heterocyclic compound containing nitrogen atoms in an amount of 30 to 3000 ppm relative to 100 parts by mass of the component (A), wherein the curing agent is not included in the 100 parts by mass.
    Type: Application
    Filed: November 1, 2013
    Publication date: October 22, 2015
    Applicant: Momentive Performance Materials Japan LLC
    Inventors: Hiroyoshi IIJIMA, Hideo TAKAHASHI, Hidefumi TAGAI
  • Moisture curable compositions with enhanced elongation and tear strength properties
    Patent number: 9156981
    Abstract: Moisture-curable compositions are provided which comprises a moisture-curable silylated resin, a flexibilizer and at least one curing catalyst. The cured compositions possess enhanced elongation and tear properties, and are highly suitable for applications such as adhesives, sealants, coatings, gaskets, industrial rubber goods, and the like.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: October 13, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Thomas Fay-Oy Lim, Vikram Kumar, Martin Wusik
  • Light trapping photovoltaic cells
    Patent number: 9118272
    Abstract: A light trapping photovoltaic cell comprising a plurality of cells connected with walls wherein the cells have a plurality of generally straight vertical walls and a bottom region adjacent the generally vertical walls. The bottom region of the cells is pitched toward the center of the bottoms. The light trapping cells provide a structure that allows for improved absorption of incident light. Optionally, a light trapping photovoltaic cell may further comprise a hydrophobic protective layer such as, for example, may be provided by a plurality of nano-sized bumps on the surfaces of the cell walls. Additionally, the cells may exhibit other properties including, for example, deicing, anti-fouling, and self-cleaning.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: August 25, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventor: Wen P. Liao