Patents Assigned to Momentive Performance Materials
  • Patent number: 10391179
    Abstract: There is provided novel mono-acrylate functionalized siloxane monomer containing carbosiloxane linkage for improved hydrolysis resistance. This invention also provides copolymers produced using these monomers and their use in various applications.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: August 27, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Anubhav Saxena, Umpathy Senthilkumar, Kenrick M. Lewis
  • Patent number: 10384382
    Abstract: Process for the preparation of plastic composite molded bodies in which hard-soft molded bodies made of low-melting thermoplastics and light curable polyorganosiloxane compositions are prepared as well as products produced by this process.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: August 20, 2019
    Assignee: Momentive Performance Materials GmbH
    Inventors: Oliver Franssen, Clemens Trumm
  • Patent number: 10385210
    Abstract: A curable composition comprising (A) an organopolysiloxane comprising a curable functional group; and (B) a silicone-free, organic material comprising a reactive functional group. The curable composition exhibits high refractive index and optical clarity. The curable composition can be used to prepare a cured material that exhibits high refractive index, optical clarity, crack resistance, and low moisture vapor permeability.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 20, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Pranabesh Dutta, Anubhav Saxena
  • Patent number: 10364933
    Abstract: A transport puck vertically aligns a caulking cartridge, nozzle-down. The puck includes (i) a substantially solid lower plug portion, having a lead face and a bottom face and an center passageway that is at least partially inverted frustum-shaped that forms a side contact face that tapers from a wider lead face opening to a narrower bottom face opening; and or to a tubular sleeve from the side contact face to the bottom face opening; (ii) an upper sleeve, shaped to receive the caulking cartridge in a desired vertical alignment to the lower plug portion; and (iii) at least one funnel-shaped bore into the bottom face with an inserted connector comprising a head and stem, the head spaced within the bore to define a spacing that has been determined to identify bottom face wear.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: July 30, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventor: Matthew Louis Fitzgerald, IV
  • Patent number: 10344194
    Abstract: A thermally conductive silicone composition is shown and described herein. The thermally conductive silicone composition comprises (A) an ionically modified siloxane, and (B) a thermally conductive filler comprising a first filler and a second filler, where the first filler and/or the second filler comprises a plurality of filler types, the plurality of filler types differing from one another in terms of particle size and/or morphology. The ionically modified siloxane may function as a dispersing aid or wetter for efficient dispersion of thermal conducting organic and inorganic fillers to achieve high thermal conductivity.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: July 9, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Sandeep Naik, Pranabesh Dutta, Vinu Krishnan Appukuttan, Anubhav Saxena, Masanori Takanashi
  • Patent number: 10336857
    Abstract: A continuous process for preparing a silylated polymer comprising a silylation step where a prepolymer having reactive functional groups, a first intermediate product, is reacted continuously with a silylating agent in an endcapping tubular reaction unit to form a second intermediate product, and where at least a portion of the second intermediate product is backmixed continuously with the first intermediate product to form the silylated polymer. The continuous process may further comprise a stabilization step, a quenching step or both a stabilization step and a quenching step.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 2, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: John Banevicius, Misty Huang, Brendan O'Keefe, Vikram Kumar, Bruce Barbera
  • Patent number: 10294251
    Abstract: A transesterification process for preparing alkoxysilane includes removal of metal transesterification catalyst from the alkoxysilane transesterification reaction medium.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 21, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Antonio Chaves, Tiberiu Simandan, Ilaria Vecchi, Lesley Hwang, Andrea Trotto
  • Patent number: 10287400
    Abstract: A curable composition comprising (a) an organopolysiloxane comprising a curable functional group; (b) a cross-linker comprising a silyl hydride group or a thiol group; (c) a reaction accelerator; (d) optionally an inhibitor; and (e) optionally other additives. The curable composition exhibits high refractive index and optical clarity. The curable composition can be used to prepare a cured material that exhibits high refractive index, optical clarity, crack resistance, and low moisture vapor permeability.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: May 14, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Pranabesh Dutta, Shashikala Indudhara Swamy, Amol Murlidharrao Kendhale, Manav Gupta, Anantharaman Dhanabalan
  • Patent number: 10287398
    Abstract: A functionalized siloxane includes a ligand capable of coordinating a metal. The functionalized siloxane includes a pyridine-containing ligand attached to a siloxane polymer. The functionalized siloxanes can be employed to provide complexes including a metal that may impart a desired property to the polymer. In one embodiment, the polymer can complex lanthanide metals that are capable of phosphorescing upon exposure to UV irradiation. Such polymers can be employed to provide functional materials such as, for example, luminescent films, coatings, etc.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: May 14, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Karthikeyan Sivasubramanian, Vivek Khare
  • Patent number: 10266656
    Abstract: Organofunctional polyorganosiloxanes, their use in cosmetic compositions, method for treating amino acid based substrates with organofunctional polyorganosiloxanes, compositions comprising the organofunctional polyorganosiloxanes useful for hair straightening and shaping as well as hair coloration and hair color retention.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: April 23, 2019
    Assignee: Momentive Performance Materials GmbH
    Inventors: Roland Wagner, Anne Dussaud, Karl-Heinz Stachulla, Christian Wenske, Katharina Streicher, Martin Moeller, Andrea Koerner, Barbara Dittrich, Robin Heedfeld, Crisan Popescu, Helmut Keul, Xiaomin Zhu, Mériem Er-Rafik, Kunshan Sun
  • Patent number: 10266554
    Abstract: There is provided herein a method of preparing an isocyanatosilane including reacting an olefinic isocyanate with a hydridosilane in the presence of a dinuclear rhodium complex under hydrosilylation conditions.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: April 23, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Brendan John O'Keefe, Roland Wagner, Holger Jürgen Glatzer, Tiberiu Simandan, Konstantin Kraushaar, Joe Adrian Biele, Edwin Kroke
  • Patent number: 10266648
    Abstract: A flame-retarded resin includes at least one resin for which flame retardant capability is desired and at least one triaryl silicon-containing compound (I) as flame retardant in admixture therewith and/or chemically bonded, e.g., grafted, to the resin.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: April 23, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Samim Alam, Koji Suenaga, Roy Rojas-Wahl
  • Patent number: 10237921
    Abstract: A heater assembly is disclosed herein. The heater assembly may comprise a tubular body. The tubular body may include a graphite core disposed in a heating path. The graphite core may be coated with an overcoat layer. The tubular body may include slits that may cut-off heat transfer between portions of the tubular body. The heater assembly may have a configuration comprising a plurality of heating rungs having a predominant portion disposed substantially perpendicular to an upper surface of the heater so that the predominant portion is disposed vertically. The heater assembly may include a flange at a first end and a lip at a second end. The heater assembly configuration provides a heater that exhibits reduced thermal stress and/or reduced CTE mismatch stress particularly compared to other designs.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 19, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventor: Zhong-Hao Lu
  • Patent number: 10188102
    Abstract: There is provided herein a low foam surfactant composition comprising: (a) di-trisiloxane alkoxylate component of the general formula (I): (R1R2R3SiO)2(R4)Si—R5—Si(R6)(OSiR7R8R9)2??(I); and, (b) mono-trisiloxane alkoxylate component of the general formula (II): (R12R13R14SiO)2Si(R15)R16??(II) wherein di-trisiloxane alkoxylate (I) is soluble in mono-trisiloxane alkoxylate and methods of making the same.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: January 29, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: George A. Policello, Linh The Truong, Benjamin Falk, Kalman Koczo
  • Patent number: 10160834
    Abstract: The present invention provides a polyorganosiloxane compound having a low viscosity, a process for the manufacture of such polyorganosiloxane compounds, polyorganosiloxane compositions comprising said polyorganosiloxane compound and another polyorganosiloxane compound which is different from the polyorganosiloxane compound, aqueous emulsions comprising the polyorganosiloxane compound, and a method of surface treatment using the polyorganosiloxane compound.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: December 25, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Roland Wagner, Karl-Heinz Stachulla, Katharina Streicher, Christian Wenske
  • Patent number: 10138324
    Abstract: A batch or continuous process for preparing silylated polymers having low color and color stability comprising silylating a prepolymer having reactive functional groups with a silylating agent and optionally quenching the silylated polymer, where a stabilizer package containing at least one phosphite stabilizing agent is used.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: November 27, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: John Banevicius, Misty Huang, Brendan O'Keefe, Vikram Kumar, Bruce Barbera
  • Patent number: 10131794
    Abstract: The present invention provides for a household, agricultural, coating or personal care product composition containing the crosslinked reaction product of a network composition the reaction product of: (i) at least one anionic polymerizable ethylenically unsaturated monomer (I) selected from the group consisting of [CH2?C(R3)C(O)OXa(C2H4O)b(C3H6O)c(C4H8O)d]pP(O)(OY)q(OZ)r and CH2?C(R3)C(O)OXa?(C2H4O)b?(C3H6O)c?(C4H8O)d?—SO3—Y) where R3=H or alkyl of 1 to about 6 carbon atoms; X=alkyl, aryl, or alkaryl diradical connecting group of 0 to about 9 carbon atoms; a, a?, b, b?, c, c?, d and d? are 0 to about 100; q is 0 to about 2; r is 0 to about 2; p is 1 to about 3 subject to the limitation that p+q+r=3; and Y and Z is H, or metal ion; and (ii) one or more additional monomers (II) selected from the group consisting of acrylic acid/acrylate, methacrylic acid/methacrylate, acrylamides, vinyl acetate and styrene, which are copolymerizable with (I); and (iii) a cross-linking agent (III), capable of copolymerizin
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: November 20, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Ning Lu, Sigfredo Gonzalez, Ernie Silvestre, Geng Wang
  • Patent number: 10106671
    Abstract: There is provided herein a composition comprising (a) a mercapto-functional silicon compound having the general Formula (I): and a reactive resin containing at least one epoxy and/or (meth)acrylate group. There is also provided a silylated resin resulting from the reaction product of mercapto-functional silicon compound (a) and reactive resin contain at least one epoxy and/or (meth)acrylate groups.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: October 23, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Constantine Kondos, Vikram Kumar, Martin Wusik
  • Patent number: 10041176
    Abstract: Conversion and passivation coatings and methods for metal surfaces such as steel and aluminum are disclosed. The coating compositions comprise an aqueous sol of cerium oxide and/or silica particles and a ureido silane compound. The methods of the invention comprise contacting the requisite metal surface with the coating composition.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: August 7, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Lingyun He, Donald W. Whisenhunt, Jr., Jeffrey I. Melzer, Andrea Keys Eodice, Bret Chisholm, Christopher M. Carter, Shiu-Chin H Su, Kendall L. Guyer, Matthew M. Hunter
  • Patent number: 10035911
    Abstract: Provided is a one part, dual curable composition comprising (A) a first acrylic functional polyorganosiloxane with at least one moisture curable functional group, (B) a second acrylic functional polyorganosiloxane, which may optionally contain a moisture curable functional group, and (C) a third functional polyorganosiloxane, which optionally contains an acrylic and moisture curable functional group. The combination of (A), (B), and (C) provides a composition that is both moisture curable and radiation curable and provides a material that is fast curing via the dual cure functionality and provides a cured material exhibiting a relatively low modulus, good adhesion, and optical clarity.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: July 31, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Soumya Sarkar, Amol Murlidharrao Kendhale, Tanigawa Eiji