Patents Assigned to Momentive Performance Materials
  • Reactive compositions containing mercapto-functional silicon compound
    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
  • Hydrophilic macromers and hydrogels comprising the same
    Patent number: 10101499
    Abstract: A composition, suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made, comprising at least one hydrophilic silicone macromer.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: October 16, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Anubhav Saxena, Monjit Phukan, Shreedhar Bhat, Kenrick M. Lewis, Senthilkumar Umapathy
  • SILICONE RUBBER COMPOSITION, METHOD OF PRODUCING THE SAME, AND SILICONE RUBBER EXTRUDATE
    Publication number: 20180291160
    Abstract: There is provided a silicone rubber composition that has improved moldability, in particular, extrusion moldability, while ensuring that a cured product obtained therefrom has sufficient strength. The silicone rubber composition contains: (A) a 100 part by mass base polymer consisting of (A1) a polyorganosiloxane diol whose viscosity at 25° C. is 1 to 100 Pas and (A2) a polyorganosiloxane whose viscosity at 25° C. is 0.2 to 40000 Pas, with a ratio of (A1) being 20 to 100% by mass to the whole (A), the base polymer having a viscosity of 5 to 20000 Pas at 25° C. and having an alkenyl group content of 0.001 to 0.3 mmol/g; (B) a 10 to 50 part by mass silica powder whose specific surface area is 50 to 400 m2/g; (C) a 1 to 10 part by mass organosilazane; and (D) a catalytic amount of a curing agent.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 11, 2018
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventor: Masanari SHIMAKAWA
  • Platinum (II) diene complexes with chelating dianionic ligands and their use in hydrosilylation reactions
    Patent number: 10047108
    Abstract: A process 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 based hydrosilylation catalyst comprising a platinum-diene complex with chelating anions. The use of the present catalysts in the process provides silylated products in good yields and allows for using lower platinum loadings than conventional catalysts, reduced cycle times, and may reduce yellowing in the product.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 14, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Julie L. Boyer, Aroop K. Roy, David Jenkins, Indraneel Kundu
  • Silane functionalized compounds and compositions thereof
    Patent number: 10040896
    Abstract: Compositions comprising Silane functionalized compounds are provided. In one embodiment, the silane functionalized compounds include an epoxy resin derived backbone having silane functional groups pendant to the backbone or serving as end caps. The compositions comprising silane functionalized compounds may be utilized in a variety of applications including in coating formulations, adhesive formulations, composite materials, and combinations thereof.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: August 7, 2018
    Assignees: HEXION, INC., MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Antonina Nikitenko, Matthew Pinnow, Amitabh Bansal
  • No-rinse pretreatment methods and compositions
    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
  • Curable, dual cure, one part silicone composition
    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
  • High refractive index material
    Patent number: 10030168
    Abstract: A high refractive index molecule and high refractive index polymers comprising such monomers. The high refractive index monomer comprises a carrier atom having a high refractive index group attached thereto, the high refractive index group comprising a heterocyclic compound comprising at least one sulfur atom.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: July 24, 2018
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Rajiv Srivastava, Douglas Michael Dukes, Hai Hui Lin
  • 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
  • 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
  • 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
  • Curable polyorganosiloxane composition for use as an encapsulant for a solar cell module
    Patent number: 9991406
    Abstract: The invention relates to curable polyorganosiloxane compositions for the use as an encapsulant for a solar cell module, in particular, for the encapsulation of photovoltaic modules, cured polyorganosiloxane composition made therefrom and photovoltaic modules comprising the same as encapsulant.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: June 5, 2018
    Assignee: Momentive Performance Materials GmbH
    Inventors: Oliver Kretschmann, Cristian de Santis, Andrea Ruppenthal
  • 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
  • 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
  • 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