Patents Assigned to Momentive Performance Materials
  • Patent number: 12227531
    Abstract: There is provided herein a silylated organo-modified compound which comprises: at least one moiety having the formula (A): wherein the subscript a is 1 or 2, each D is independently NH or O, each of X, Y and Z are independently an unsubstituted or substituted C or N, the dashed lines between X, Y, and Z indicate an optional double bond between either X and Y or Y and Z, with the proviso that when any of X, Y, or Z is a substituted N atom, such substituted N atom does not participate in a double bond, and each Q is independently O or S; and, at least two moieties having the formula (B):
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: February 18, 2025
    Assignee: Momentive Performance Materials Inc.
    Inventors: Cheng Diao, Monjit Phukan, Neal Patel
  • Patent number: 12202943
    Abstract: A two-part RTV silicone is shown and described herein. In one aspect, provided is an electrostatically dissipative, two-part RTV silicone material. In embodiments, the silicone is white and exhibits a low thermal conductivity.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: January 21, 2025
    Assignee: Momentive Performance Materials Inc.
    Inventors: Vinodh Rajendra, Isao Iida, Tetsuo Fujimoto, Ramasubramanian Narayanan
  • Patent number: 12157751
    Abstract: There is provided herein a process for the synthesis of sulfonyl silanes. There is also provided herein various sulfenylated and sulfonylated silicon-containing compounds made by the process.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: December 3, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Praveen Kumar Singhal, Gourav Tarafdar, Apeksha Ramesh
  • Patent number: 12116481
    Abstract: A curable composition comprising a polymer A, a polymer B, and one or more fillers, wherein the polymer A includes organic molecules or siloxane molecules comprising two or more epoxy functional groups, and the polymer B includes an organic amine or a hybrid silicone amine.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 15, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Titash Mondal, Murali Mg, Shreedhar Bhat
  • Patent number: 12049576
    Abstract: A process for producing a silicone pressure sensitive adhesive is shown and described herein. The process comprises reacting a MQ silicone resin with a polydiorganosiloxane in the absence of a solvent. The MQ silicone resin is a solid, solventless MQ resin. The reaction may be conducted in the presence of a catalyst, a chain extension reagent, or a combination thereof, and the resulting pressure sensitive adhesive can be dissolved in a solvent and the solids content adjusted. The present method provides a manner to provide a cleaner adhesive material that is free of unwanted materials such as aromatic solvents and also substantially free of cyclic siloxane impurities.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: July 30, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Arindam Sannigrahi, Sandeep Naik, Meenal Mehra, Debarshi Dasgupta, Tiberiu Mircea Siclovan, Kwanho Chang
  • Patent number: 12031013
    Abstract: There is provided herein a resin composition comprising: (i) a silane coupling agent of the general formula (I): as described herein, and (ii) at least one resin which is interactive with one or more of the R1, R2 and X groups of silane coupling agent (i) wherein: R1 and R2 each represent a hydrogen atom or a monovalent organic group having 1 to 40 carbon atoms; R3 is independently a monovalent group selected from the group consisting of a straight chain alkyl containing from 1 to 12 carbon atoms, a branched chain alkyl containing from 3 to 12 carbon atoms, a cycloalkyl containing from 5 or 6 carbon atoms, an alkenyl containing from 2 to 12 carbon atoms, an aryl group containing 6 carbon atoms, or aralkyl containing from 7 to 12 carbon atoms, a straight chain alkyl containing 2 to 12 carbon atoms and a hydroxyl group, a branched chain alkyl containing 3 to 6 carbon atoms and a hydroxyl group, an alkyl group containing at least one oxygen atom having the structure: —R5—(OCH2CH2)m(OCH2CH(CH3))nOR6, an
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: July 9, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Cheng Diao, Monjit Phukan, Neal Patel
  • Patent number: 11952516
    Abstract: A curable silicone adhesive composition comprising adhesion promoter is shown and described herein. The adhesion promoter is a silicon hydride material containing an aromatic based skeleton with another adhesion promoter to provide a silicone material that is curable at relatively low temperatures and shorter time and provides good adhesion to plastics and metal.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: April 9, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Subrata Mandal, Manav Gupta, Koki Otashiro
  • Patent number: 11945899
    Abstract: A moisture-curable silylated resin is derived from a copolycarbonate diol prepared from diol(s) of specific types.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: April 2, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Constantine Kondos, Nayeem Soad, Misty Huang, Christine Lacroix, Vikram Kumar
  • Patent number: 11905428
    Abstract: A resin composition containing an organic resin (i) containing carboxylic acid ester and/or ether functional groups and optionally other halo groups, amino groups, hydroxyl groups, carboxylic acid groups and cyano groups and a moisture-curable silylated polycarbonate resin (ii) derived from a copolycarbonate diol, prepared from diol(s) having even numbers of carbon atoms and odd number of carbon atoms and coatings formulated using these resin compositions.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: February 20, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventor: Constantine A. Kondos
  • Patent number: 11908595
    Abstract: The invention relates to a silicone rubber composition having specific dielectric properties which can be used as insulator material in high voltage direct current applications and a method for the manufacture of cable accessories like cable joints. The invention comprises as well a method for the determination of the optimum dielectric properties and the related amount of dielectric active additives.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 20, 2024
    Assignee: Momentive Performance Materials GmbH
    Inventors: Beatrice Grau, Lada Bemert, Harry Zumaque, Oliver Safarowsky
  • Patent number: 11884779
    Abstract: A hydrophilic silicone, compositions comprising the same, and articles comprising the same are shown and described herein. The hydrophilic silicone is an ionically modified silicone compound wherein the compound comprises a zwitterionic moiety and has a net neutral charge. The hydrophilic silicone compounds may be provided as part of a composition, e.g., a composition suitable for forming a hydrogel, which may be employed to form a film material and even an article (e.g., in a contact lens).
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: January 30, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventors: Sukanta Dolai, Shreedhar Bhat, Meenal Mehra
  • Patent number: 11859043
    Abstract: There is provided herein a silylated polyurethane composition, a process of preparing a silylated polyurethane polymer, and an adhesive, sealant or coating containing a silylated polyurethane made therewith.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: January 2, 2024
    Assignee: Momentive Performance Materials Inc.
    Inventor: Brendan O'Keefe
  • Patent number: 11827738
    Abstract: The present invention relates to curable compositions, in particular, thiol-ene-curing compositions, a method of coating using said curable compositions, cured compositions obtained by curing said curable compositions, cured articles, comprising said cured compositions, a certain compound comprising olefinically unsaturated functional groups and a silyl functional group for use in said curable compositions and a method of manufacturing the curable compositions.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 28, 2023
    Assignee: Momentive Performance Materials GmbH
    Inventor: Dmitry Chernyshov
  • Patent number: 11760900
    Abstract: A moisture-curable composition is shown and described herein. The moisture-curable composition comprises a moisture-curable resin and a moisture scavenger selected from a cyanoalkylalkoxysilane. The inclusion of the cyanoalkylalkoxysilane in the moisture-curable composition has been found to effectively scavenge moisture and control the rate of curing and viscosity increase in the composition.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: September 19, 2023
    Assignee: Momentive Performance Materials Inc.
    Inventors: Hao Shen, Antonio Chaves, Amy Hua McKinstry, Monjit Phukan
  • Patent number: 11753507
    Abstract: A curable silicone adhesive composition comprising a heat stable siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: September 12, 2023
    Assignee: Momentive Performance Materials Inc.
    Inventors: Subrata Mandal, Tetsuo Fujimoto, Vinodh Rajendra, Joseph Zampella, Ramasubramanian Narayanan, Clarissa Miller
  • Patent number: 11702511
    Abstract: Reactive poly(fluoroalkyl-functional siloxane) oligomers, method of making the same, and compositions comprising the same are shown and described herein. The reactive poly(fluoroalkyl-functional siloxane) oligomers are is derived from a hydrolysable fluoroalkyl-functional silanes. Coating compositions comprising reactive poly(fluoroalkyl-functional siloxane) oligomer(s) may be used to form a coating or a film on a substrate and impart hydrophobic and/or oleophobic properties. The reactive poly(fluoroalkyl-functional siloxane) oligomer are more hydrophobic and oleophobic and show better chemical resistance than the hydrolysable fluoroalkyl-functional silane.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: July 18, 2023
    Assignee: Momentive Performance Materials Inc.
    Inventors: Hao Shen, Antonio Chaves, Martin Wusik, Amy Hua McKinstry
  • Patent number: 11697610
    Abstract: A quartz glass container is shown and described herein. The quartz glass container exhibits a low concentration of surface defects on an inner surface of the container. In aspects hereof, the container may have a surface defect density of 50 or fewer surface defects per square centimeter within a 1 cm band centered 1 cm from the base of the container.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 11, 2023
    Assignee: Momentive Performance Materials Quartz, Inc.
    Inventors: Ben Gauthier, Robert Koch, Todd Springer, David Xu, Gloriana Volio
  • Patent number: 11691883
    Abstract: The invention relates to a process for the preparation of trichlorosilane (HSiCl3) which comprises the reaction of tetrachlorosilane (SiCU) with hydridosilanes in the presence of a catalyst.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: July 4, 2023
    Assignee: Momentive Performance Materials Inc.
    Inventors: Norbert Auner, Alexander G Sturm
  • Patent number: 11680147
    Abstract: A tertiary amine compound is shown and described herein. The tertiary amine is a reaction product of an isocyanate and a compound bearing an active hydrogen and a bicyclic tertiary amine in its molecule. The tertiary amine compounds have been found to be suitable as catalysts for producing polyurethanes. Also shown and described are processes employing the tertiary amine compounds in a reaction of an isocyanate and an alcohol in the presence of the tertiary amine compounds. Further, also shown and described is a method for making the tertiary amine.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: June 20, 2023
    Assignee: Momentive Performance Materials GmbH
    Inventors: Gnuni Karapetyan, Jose Godoy, Alberto Giovanni Melle
  • Patent number: 11655263
    Abstract: There is provided herein a method and an apparatus for producing an isocyanatoorganosilane which method includes feeding a carbamatoorganosilane to a cracking device where it is thermally dissociated into a reaction product mixture comprising isocyanatoorganosilane, alcohol, and heavies, followed by separating the mixture in a distillation column of two parts and collecting the isocyanatoorganosilane from the distillation column via a side stream having a predetermined location between the top and bottom parts of the column; and wherein the distillation column is configured to have a ratio of the length of the bottom part of the distillation column to the length of the top part of the distillation column which is effective to provide a side stream having a high purity and high weight percent of isocyanatoorganosilane.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: May 23, 2023
    Assignee: Momentive Performance Materials Inc
    Inventors: Venkata Sunil Jagani, Srinivas Komati, Vivek Khare