Patents Assigned to Momentive Performance Material Inc.
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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 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
  • 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
  • Personal care compositions containing ionic silicone and film-forming agent
    Patent number: 9895307
    Abstract: A personal care composition includes at least one end-functionalized ionic silicone and at least one film-forming agent.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: February 20, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alok Sarkar, Anubhav Saxena, Sandip Tiwari, Benjamin Falk, Anne Dussaud
  • Compositions with enhanced flexibility
    Patent number: 9890303
    Abstract: Compositions are provided which comprises an active hydrogen-containing resin, a flexibilizer and at least one curing agent. The cured compositions possess enhanced flexibility while maintaining hardness, and are highly suitable for applications such as coatings, adhesives, sealants, gaskets, industrial rubber goods, and the like.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: February 13, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: Constantine Kondos, Ping Jiang, Martin Wusik, Vikram Kumar
  • Personal care compositions containing crosslinked silicone polymer networks and their method of preparation
    Patent number: 9839602
    Abstract: The invention is directed to a personal care composition which contains an ionically-modified cross-linked silicone network which is formed by the polymerization of a silicone polymer containing hydrosilylation effective unsaturated moiety, silyl hydride moiety and ionic radicals.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: December 12, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Anubhav Saxena, Monjit Phukan, Tushar Navale, Sigfredo Gonzalez
  • Process for the preparation of silylated polymers employing a backmixing step
    Patent number: 9828459
    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: August 11, 2015
    Date of Patent: November 28, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: John Banevicius, Misty Huang, Brendan O'Keefe, Vikram Kumar, Bruce Barbera
  • Personal care composition comprising silicone network
    Patent number: 9801805
    Abstract: The invention is directed to a personal care composition which contains a crosslinked ionic silicone network wherein the crosslinked ionic silicone network is formed by the ring-opening polymerization of oxirane moiety.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: October 31, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alok Sarkar, Anubhav Saxena, Laxmi Samantara, Ning Lu
  • Process for the production of silane-crosslinked polyolefin in the presence of non-tin catalyst and resulting crosslinked polyolefin
    Patent number: 9790307
    Abstract: A process for producing a silane-crosslinked polyolefin which comprises exposing a polyolefin containing at least one [1,3,2]-dioxasilinane ring structure to moisture in the presence of an organic carboxylic acid, which is used as a hydrolysis and condensation catalyst and does not contain tin, thereby producing the silane-crosslinked polyolefin, wherein the polyolefin containing at least one [1,3,2]-dioxasilinane ring structure is made by the process of grafting an olefinically unsaturated [1,3,2]-dioxasilinane to a polyolefin in the presence of a free radical initiator. There is also provided the resulting silane-crosslinked polyolefin and the graftable silane composition used in the process.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: October 17, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Samim Alam, Roy U. Rojas Wahl
  • Self-lubricating pharmaceutical syringe stoppers
    Patent number: 9782542
    Abstract: In one aspect, a self-lubricating component is provided for a pharmaceutical packaging assembly. The self-lubricating component comprises a polymer composition and an effective amount of a lubricating additive such as, for example, boron nitride. In another aspect, a pharmaceutical packaging assembly may be provided having a surface thereof coated with a lubricating composition comprising boron nitride. The pharmaceutical packaging composition may be, for example, a pre-filled syringe comprising a body (barrel) and a plunger assembly.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: October 10, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Samuel Conzone, David M. Rusinko, Chandrashekar Raman, Indumathi Ramakrishnan, Anantharaman Dhanabalan, Mayank Kumar Dubey, Markus Bley, Hans Rafael Winkelbach
  • Curable siloxane compositions
    Patent number: 9771459
    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: February 24, 2016
    Date of Patent: September 26, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Anuj Mittal, Raveendra Mathad, Sumi Dinkar, Indumathi Ramakrishnan, Manav Gupta