Patents Assigned to Momentive Performance Material Inc.
  • Curable siloxane compositions
    Patent number: 10023699
    Abstract: There is provided herein a curable polysiloxane composition comprising a reactive polysiloxane having the general structural formula (I): as described herein. There is provided a method of making the polysiloxane. In addition, there is provided a curable composition including the polysiloxane.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: July 17, 2018
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Anuj Mittal, Raveendra Mathad, Sumi Dinkar, Indumathi Ramakrishnan, Manav Gupta
  • Process for preparing rubber compositions and articles made therefrom
    Patent number: 10023723
    Abstract: A process for preparing a rubber composition comprises: (a) forming a mixture of: (i) at least one thiocarboxyl-functional hydrolyzable silane, (ii) at least one rubber containing carbon-carbon double bonds, (iii) at least one silane-reactive filler, (iv) at least one activating agent, and (v) water; (b) mixing the composition formed in step (a) under reactive-mechanical-working conditions and in the absence of vulcanizing agent(s); (c) adding at least one vulcanizing agent (vi) to the composition of step (b); (d) mixing the composition of step (c) under non-reactive-mechanical-working conditions; and, (e) optionally, curing the rubber composition of step (d).
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: July 17, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Ping Jiang, Robert James Perry
  • Platinum catalyzed hydrosilylation reactions utilizing cyclodiene additives
    Patent number: 10000611
    Abstract: A process and composition for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the proviso that when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane. The process and composition optionally comprise an inhibitor (e). The process and composition may be employed to form a variety of hydrosilylation products.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: June 19, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Aroop K. Roy, Julie L. Boyer
  • Personal care compositions with acid functional silicone based structuring agents
    Patent number: 9987365
    Abstract: The invention is directed to personal care compositions comprising an acid functionality bearing silicone neutralized in situ with at least one aminosilane or a partially hydrolyzed aminosilane. The invention provides better stability to formulation in addition to improved delivery of hydrophilic actives from the formulation.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: June 5, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Monjit Phukan, Anubhav Saxena, Vasuki Kaushik, Richard Anthony Presti
  • Antifouling system comprising silicone hydrogel
    Patent number: 9988497
    Abstract: A multi-layer or single layer antifouling coating system. A multi-layer coating system comprises (a) a base coating for coating a substrate, and (b) an antifouling coating composition adapted to be disposed over the base coating, the antifouling coating composition comprising a hydroxyl terminated polydimethylsiloxane, a curable polyether-containing silane of the Formula (1): (R1O)a(R1)(3-a)Si—R2—(Si(R1)2O)p—Si(R1)2—R2—O—(CH2—CHR1—O)q—R1??(1) where a is 1-3; R1 is H or alkyl radical from C1-C10; R2 is alkylene from C2-C10; p is 1-100; and q is 1-50. The base coating composition can comprise an epoxy modified adhesion promoter.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: June 5, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventor: Wen P. Liao
  • Ester-modified organosilicon-based surfactants, methods of making same and applications containing the same
    Patent number: 9988404
    Abstract: There is provided herein a polyalkylene-oxide-free surfactant composition comprising an ester-modified organosilicon having the general formula (I) AOaR4b(BOcR11d)e(C)fDg. There is also provided methods for making the ester-modified organosilicon (I) and agricultural, coating, personal care and home care applications containing the polyalkylene-oxide-free surfactant composition.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: June 5, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: George A. Policello, Narayan Mukherjee, Roland Wagner, Mark D. Leatherman
  • Chlorine-resistant crosslinkable polyolefin compositions and articles made therefrom
    Patent number: 9988518
    Abstract: The present invention relates to chlorine resistant crosslinkable silane-containing polyolefin compositions and stabilizer masterbatch compositions, their preparation, and articles made therefrom. These crosslinkable silane-containing compositions contain a mixture of antioxidants, light absorbers and stabilizers that provide resistance to the levels of chlorine used in potable water and to light, thereby extending the useful life of said articles made therefrom, such as potable water pipes and valves, bottles, tanks, and the like.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: June 5, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Christine Lacroix, Philbert E. Ramdatt, Eric Pohl
  • Conversion coating composition comprising a dye and a method for coating a metal surface with said conversion coating composition
    Patent number: 9976218
    Abstract: The invention is directed to a conversion coating composition for coating a metal surface including a water soluble dye, at least one metal compound selected from the group consisting of a zirconium-containing compound, titanium-containing compound and silicon-containing compound; and water, wherein the provides for qualitative characterization of the conversion coating uniformity and thickness by the naked human eye or visible light detecting device; and, a method for coating the metal surfaces using the conversion coating composition.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: May 22, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventor: Dmitry Chernyshov
  • High refractive index siloxanes
    Patent number: 9963469
    Abstract: A polymer material comprising a constraint bicyclic bridged structure such as bicyclo(2,2,1) ring system, most preferably a norbornyl group, pendant to a siloxane backbone. The bridged bicyclic-containing materials can exhibit good refractive index, transparency, gas permeability, and/or other properties making them suitable for use in a variety of applications.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: May 8, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Rajiv Srivastava, Douglas M. Dukes
  • Ester-functional polysiloxanes and copolymers made therefrom
    Patent number: 9957357
    Abstract: There is described a polysiloxane having the structure: wherein R1, R2, and R3 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical, R4 is independently a direct bond or hydrocarbon radical optionally substituted with oxygen and nitrogen, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300; y is from 0 to 50; and z is from 0 to 50. The polysiloxane is used to make various copolymers and polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: May 1, 2018
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
  • Aminosiloxanes of high purity
    Patent number: 9951185
    Abstract: Disclosed herein is a composition comprising amino-functional polysiloxanes of high purity and their preparation. Also disclosed herein is an aminoalkyl-functional polysiloxane, a process for purifying this aminoalkyl-functional polysiloxane, a process for preparing the composition, a use of the composition, a polyorganosiloxane-polyorgano block copolymer, a process for the preparation of a polyorganosiloxane-polyorgano block copolymer and a shaped, formed and/or extruded shaped article.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 24, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: John M. Huggins, Hurbertus Eversheim, Gunnar Hoffmüller
  • Process for making organic-inorganic hybrid materials
    Patent number: 9944746
    Abstract: A process for forming an organic-inorganic hybrid material that can undergo a property change when exposed to an external stimulus, the process comprising providing a prepolymer; and attaching a functional organometal material to the prepolymer, where the functional organometal material comprises a functional moiety that is responsive to an external stimulus such that the organic-inorganic hybrid material exhibits a change in a property of the organic-inorganic hybrid material. The process can further include forming hydrogel particles from the organic-inorganic hybrid material.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: April 17, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Antonio De Vera, Garth Olszko
  • Organo-modified silicone polymers
    Patent number: 9944742
    Abstract: A linear silicone polymer suitable for use in producing homopolymers, copolymers, polymerized emulsions, latex compositions, and hydrogel polymer films. In one aspect, a hydrophilic silicone monomer is of the Formula 1: WAmBnW??(1) Where, A is a divalent block comprising a silicone-containing pendant group. In one embodiment, the silicone-containing pendant group comprises polyalkylene oxide groups. The structure of the polymer can be controlled and tuned to provide a material with excellent wettability and oxygen permeability. The polymers are suitable for use in a variety of applications including in providing a film for forming contact lenses.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: April 17, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Anubhav Saxena, Sandeep Shashikant Naik, Monjit Phukan, Shreedhar Bhat
  • Moisture curable compound with thiourea
    Patent number: 9944770
    Abstract: The present invention provides curable compositions comprising non-tin metal accelerators that accelerate the condensation curing of moisture-curable silicones/non-silicones. In particular, the present invention provides an accelerator comprising thiourea-containing compounds that are particularly suitable as replacements for organotin in sealant and RTV formulations. Further, this thiourea-containing compound is comparable or superior to organotin such as DBTDL, exhibits certain behavior in the presence of components that allow for tuning or adjusting the cure characteristics of the compositions, and provides good adhesion and storage stability.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: April 17, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventor: Christopher M. Byrne
  • Moisture curable silylated polymer compositions containing reactive modifiers
    Patent number: 9932437
    Abstract: Moisture-curable resin compositions comprising (a) a moisture-curable polymer having at least one hydrolysable silyl group; (b) a reactive modifier; (c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under curing conditions; and cured compositions produced by contacting such resin compositions with water are disclosed. The moisture-curable resin composition is useful in the production of adhesives, including hot melt adhesives, primers, sealants, and coatings.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: April 3, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Misty Huang, Richard W. Cruse, Benjamin Falk, Eric Pohl, Shiu-Chin Su, Jeries Nesheiwat, Philbert Ramdatt, Thomas Fay-Oy Lim, Vikram Kumar
  • Fused quartz tubing for pharmaceutical packaging
    Patent number: 9919948
    Abstract: A high silica glass composition comprising about 92 to about 99.9999 wt. % SiO2 and from about 0.0001 to about 8 wt. % of at least one dopant selected from Al2O3, CeO2, TiO2, La2O3, Y2O3, Nd2O3, other rare earth oxides, and mixtures of two or more thereof. The glass composition has a working point temperature ranging from 600 to 2,000° C. These compositions exhibit stability similar to pure fused quartz, but have a moderate working temperature to enable cost effective fabrication of pharmaceutical packages. The glass is particularly useful as a packaging material for pharmaceutical applications, such as, for example pre-filled syringes, ampoules and vials.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: March 20, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS, INC.
    Inventors: Kipyung Ahn, Guangjun Xu, Martin Panchula, Samuel Conzone, Tianjun Rong, Konstantin S. Zuyev, Yen Zhou
  • Silicone epoxy ether compositions, methods for making same and uses therefor
    Patent number: 9923243
    Abstract: The present invention relates to silicone epoxy compositions, methods for making same and uses therefore. In one embodiment, the silicone epoxy ether compositions of the present invention are silane epoxy polyethers that contain at least one epoxy functionality. In another embodiment, the silicone epoxy ether compositions of the present invention are siloxane epoxy polyethers that contain at least one epoxy functionality. In still another embodiment, the present invention relates to silicone epoxy polyether compositions that are suitable for use as an electrolyte solvent in a lithium-based battery, an electrochemical super-capacitors or any other electrochemical device.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: March 20, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Neeraj Gupta, Karthikeyan Sivasubramanian, Monjit Phukan
  • Moisture curable composition with amino acids
    Patent number: 9914809
    Abstract: The present invention provides curable compositions comprising non-tin metal accelerators that accelerate the condensation curing of moisture-curable silicones/non-silicones. In particular, the present invention provides an accelerator comprising amino acid compounds that are suitable as replacements for organotin in sealant and RTV formulations.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: March 13, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: David Jenkins, Christopher Michael Byrne, Mihirkumar Maheshbhai Patel, Anantharaman Dhanabalan
  • Super acids and bases as dehydrocondensation catalysts
    Patent number: 9901912
    Abstract: There is provided herein a composition which contains hydride-functionalized siloxane or silane, a hydroxyl-containing compound that does not contain silicon, and a catalytically-effective amount of super acid or super base catalyst selected from the group consisting of a triaza-containing compound which contains only carbon, nitrogen and hydrogen atoms, an atrane compound, a linear or branched compound containing a sulfonyl group and a fluoro group, and combinations thereof. There is also provided a process of making such a composition.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: February 27, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Karthikeyan Sivasubramanian, Vivek P. Khare
  • Personal care compositions containing end-functionalized ionic silicone
    Patent number: 9895306
    Abstract: A personal care composition contains at least one personal care component and at least one end-functionalized ionic silicone.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: February 20, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alok Sarkar, Anubhav Saxena, Sandip Tiwari, Benjamin Falk