Three Carbons Bonded Directly To The Same Silicon Patents (Class 556/453)
  • Patent number: 9458183
    Abstract: A method for preparation and polymerization of siloxane monomers of Formula I is presented. The synthesis includes the selective reaction between silanol containing unit and alkoxy containing units in the presence of basic catalyst. The siloxane monomers of the invention can be used for preparation of siloxane polymers with good flexibility and cracking threshold, and functional sites, useful for applications requiring low metal content in semiconductor industry.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: October 4, 2016
    Assignee: Silecs Oy
    Inventor: Jyri Paulasaari
  • Publication number: 20150141586
    Abstract: The invention is directed to phenyl-containing functional polysiloxanes and polycarbonate-polysiloxane copolymer compositions made therefrom having improved optical clarity and better low temperature impact resistance.
    Type: Application
    Filed: May 30, 2014
    Publication date: May 21, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Koji Kanuma, Yataka Horie, Anuj Mittal, Laxmi Samantara, lndumathi Ramakrishnan, Naofumi Kumabe, Narayana Padmanabha Iyer, Samim Alam
  • Patent number: 8981138
    Abstract: The invention relates to a method (a) for producing aminoorganyltriorganylsilanes of the general formula (1) R?3-nR1nSi—R2—NR3R4 (1), a method (b) for producing cyclic aminosilanes of the general formula (4), and a method (III) for producing silylorganoamines of the general formula (7) R013-tR11tSi—R12—NR13—R14—SiR023-sR15s (7), wherein amines are reacted with halogen organylsilanes, wherein R?, R1, R2, R3, R4, R, R5, R6, R01, R02, R11, R12, R13, R14, R15, n, and s have the meanings specified in claims 1 to 3, wherein after the reaction, the ammonium halides of the amines produced as by-products are released by adding a base (B) to the reaction mixture, the amines are removed from the reaction mixture by distillation, two liquid phases are formed by further adding base (B) to the reaction mixture, wherein the one phase contains at least 90 wt % of the hydrohalide of the base (B) and said phase is separated.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: March 17, 2015
    Assignee: Wacker Chemie AG
    Inventor: Michael Stepp
  • Patent number: 8927753
    Abstract: The present invention relates to a method for preparing di-organo-dialkoxysilanes, in particular di-organo-dialkoxysilanes wherein one or both of the organic substituents are bulky. The method comprises reacting a tetraalkoxysilane compound with a first Grignard reagent to form a mono-organo-tri-alkoxysilane compound, which is then reacted with a chlorinating agent to form a chlorinated mono-organo-di-alkoxysilane which is then reacted with a second Grignard reagent to form the di-organo-di-alkoxysilane compound.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: January 6, 2015
    Assignee: Saudi Basic Industries Corporation
    Inventors: Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel, Mahesh Davadra
  • Publication number: 20150004107
    Abstract: A diglycerin derivative-modified silicone, wherein the diglycerin derivative-modified silicone contains a long chain alkyl group as a lipophilic group in a molecule, does not have an oxyalkylene structure wherein an average value of the number of repetitions of the oxyalkylene unit is two or more, has only a glycerin derivative group with an average value of the number of repetitions of glycerin units of 1.1 to 2.9 as a hydrophilic group, and does not have other hydrophilic group in the molecule; a surfactant and dispersing agent, an emulsifier for a water-in-oil emulsion, an external use preparation, and a cosmetic composition containing the same.
    Type: Application
    Filed: December 26, 2012
    Publication date: January 1, 2015
    Inventors: Sayuri Sawayama, Seiki Tamura, Seiji Hori
  • Patent number: 8895770
    Abstract: Disclosed herein is the selective synthesis of mono-hydrosilylated derivatives of polyunsaturated compounds, such as trivinylcyclohexane using non-precious metal based pyridinediimine and terpyridine complex as selective hydrosilylation catalysts.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: November 25, 2014
    Assignees: Cornell University, Momentive Performance Materials Inc.
    Inventors: Kenrick M. Lewis, Aaron M. Tondreau, Richard W. Cruse, Keith J. Weller, Johannes G. P. Delis, Susan A. Nye, Paul J. Chirik
  • Patent number: 8829144
    Abstract: An MQ resin including at least 30% SiO2, preferably at least 50 wt % SiO2, and having dynamic viscosity of 50 centipoises (cps) to 750 cps at 25° C. is produced from a stable ethylsilicate polymer. The ethylsilicate polymer includes not greater than 1 wt % of TEOS monomer. The ethylsilicate polymer is produced by a two step addition of catalysts wherein a hydrolysis catalyst, for example, hydrochloric acid is added initially and a second catalyst, such as phosphonitrilic chloride trimer, is added subsequently.
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: September 9, 2014
    Assignee: Silbond Corporation
    Inventors: Walter L. Magee, Adam W. Emerson, Wallace G. Joslyn, Richard S. Odneal
  • Publication number: 20140219903
    Abstract: The present invention relates to a film composed of a carbon-containing silicon oxide formed by CVD using, as the raw material, an organosilicon compound having a secondary hydrocarbon group directly bonded to at least one silicon atom and having an atomic ratio of 0.5 or less oxygen atom with respect to 1 silicon atom, which is used as a sealing film for a gas barrier equipment and materials, an FPD device, a semiconductor device and the like.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 7, 2014
    Applicant: TOSOH CORPORATION
    Inventors: Daiji Hara, Masato Shimizu
  • Patent number: 8796484
    Abstract: A polymerizable dimethicone copolyol macromer composition is synthesized by reacting itaconic anhydride with a dimethicone copolyol. During the reaction itaconic anhydride spontaneously isomerizes to citraconic anhydride which in turn is esterified by the dimethicone copolyol. The obtained macromers are copolymerizable with olefinically unsaturated monomers. Polymers containing the macromer repeating units are useful in a variety of applications including personal care, textile and industrial formulations to deliver softness, lubricity, fixative, water repellency, gloss, surface modification, and surfactant properties.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: August 5, 2014
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Aroop K. Roy, Krishnan Tamareselvy
  • Patent number: 8685376
    Abstract: The invention relates to emulsifiers comprising glycerin-modified organopolysiloxanes and to their use for the preparation of extraordinarily stable emulsions and dispersions.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: April 1, 2014
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Karin Czech, Ulrike Mahring, Michael Ferenz, Christian Hartung, Hannelore Foetsch, Juergen Meyer, Sascha Herrwerth
  • Patent number: 8648211
    Abstract: The present disclosure describes compounds of Formula (I) wherein m is 1 to 6, n is 6 to 10 and R1 is a straight or branch chain siloxane, their use in methods to modify the surface of hydrophobic substrates to render the substrates superhydrophilic and surface-modified substrates.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: February 11, 2014
    Inventors: Michael A. Brook, Yongxin Wang, Yang Chen
  • Patent number: 8609798
    Abstract: The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: December 17, 2013
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Wilfried Knott, Martin Glos, Norbert Nilewski
  • Patent number: 8586015
    Abstract: The present application relates to organosilicones and compositions such as consumer products comprising such organosilicones, as well as processes for making and using such organosilicones and such compositions. Such compositions comprising such organosilicones are easier to formulate, and provide more economical and superior care benefits when compared to current silicone containing compositions.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: November 19, 2013
    Assignee: The Procter & Gamble Company
    Inventors: Rajan Keshav Panandiker, Steven Daryl Smith, Bernard William Kluesener, Mark Gregory Solinsky, Matthew Scott Wagner
  • Publication number: 20130289293
    Abstract: A method of forming an MT-propyl siloxane resin includes the steps of hydrolyzing propyl trichlorosilane in an excess of water to provide a T-propyl siloxane resin and capping the T-propyl siloxane resin formed from the hydrolysis of the propyl trichlorosilane with a silicon-containing M-group capping agent to form the MT-propyl siloxane resin. The MT-propyl siloxane resin is useful in a variety of personal care applications, and in particular, as an additive to personal care compositions.
    Type: Application
    Filed: May 1, 2012
    Publication date: October 31, 2013
    Applicant: Dow Corning Corporation
    Inventors: Thomas Daniel Bekemeier, Gary Michael Wieber
  • Patent number: 8563459
    Abstract: The invention includes a fixed-bed catalyst complex that includes (i) a metal carbene catalyst, wherein the metal is platinum, and (ii) a catalyst support that includes one or more of silica, alumina and/or glass. The invention provides a fixed-bed catalyst complex that includes a catalyst complex including a carbene chosen from those represented by at least one of Formulae (I), (II), (III), and (IV): Where the vales of X and R1 to R7 are specifically defined. The complex also includes a catalyst support that comprises silica, related reaction products, and related reaction systems.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: October 22, 2013
    Assignee: Gelest Technology, Inc.
    Inventors: Gerald L. Larson, Barry C. Arkles, Rudolph A. Cameron
  • Publication number: 20130210930
    Abstract: The present invention provides a co-modified organopolysiloxane having a specified chemical structure in which a sugar alcohol-modified group and a silylalkyl group having a siloxane dendron structure, and optionally a long-chain hydrocarbon group are present. The co-modified organopolysiloxane is blended, as a surfactant, a powder treatment agent, a gelling agent or the like, or as a cosmetic raw material together with powder (s), oil agent (s) or the like, in a preparation for external use, and in particular, a cosmetic.
    Type: Application
    Filed: April 28, 2011
    Publication date: August 15, 2013
    Applicant: DOW CORNING TORAY CO., LTD.
    Inventors: Tatsuo Souda, Seiki Tamura, Tomohiro Imura, Akito Hayashi, Sayuri Sawayama, Haruhiko Furukawa
  • Patent number: 8486188
    Abstract: The invention relates to a method for production of polyhydroxyfunctional polysiloxanes with branched polyglycidol polyether groups, in which firstly at least one allylic or methallylic starting material is reacted with at least one glycidol, such that an allyl polyether or methallyl polyether is formed, and then the allyl polyether or methallyl polyether thus produced is added to a Si—H functional alkyl polysiloxane in the presence of an acid buffering agent. The invention further relates to polysiloxanes, which may be obtained by said method and the use of the polysiloxanes in coating agents, polymeric coating masses and thermoplastics.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: July 16, 2013
    Assignee: BYK-Chemie GmbH
    Inventors: Wojciech Jaunky, Albert Frank, Hans-Willi Bogershausen, Wolfgang Griesel, Petra Della Valentina, Jurgen Omeis
  • Patent number: 8440850
    Abstract: Disclosed herein are the compounds shown below. Each R is an organic group, Cb is a carborane group, and —C6H4— is phenylene. The value of each m is a nonnegative integer, q is 0 or 1, with the proviso that if q is 0 then m is 0 or 1, p is a positive integer, r is a positive integer, and n is an integer greater than or equal to 10. Also disclosed are methods of making and crosslinking the compounds.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: May 14, 2013
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Manoj K. Kolel-Veetil, Teddy M Keller
  • Patent number: 8440750
    Abstract: The invention relates to allyl functionalized precipitated silica, rubber compositions containing such silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with an allyl silane, particularly to a precipitated silica containing allyl functional groups.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: May 14, 2013
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Bruce Raymond Hahn, Edward Lee Johnson, Abdulkareem Modupe Melaiye, Bing Jiang, Robert Alan Kinsey
  • Publication number: 20130059959
    Abstract: Disclosed is an antifoaming agent for vinyl chloride resin slurry. The agent of the present invention may prevent generation of Fish eyes and deteriorate in production efficiency caused by slurry foams without inhibiting inherent transparency of vinyl chloride resins, in the process of preparing the vinyl chloride resins by polymerizing a monomer mixture containing vinyl chloride as a main component in a polymerization reactor.
    Type: Application
    Filed: September 5, 2012
    Publication date: March 7, 2013
    Inventors: Yong Jin KIM, Kun Ji Kim
  • Patent number: 8367740
    Abstract: An asymmetric organomodified disiloxane surfactant having the formula: MM? wherein M comprises branched hydrocarbon substituents and M? comprises a cationic, anionic or zwitterionic substituent and a polyether substituent that may be combined as one moiety, wherein the disiloxane surfactant has an enhanced resistance to hydrolysis between a pH of about 3 to about 12.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: February 5, 2013
    Assignee: Momentive Performance Materials Inc.
    Inventors: Mark D. Leatherman, George A. Policello, Wenqing N. Peng, Liping Zheng, Roland Wagner, Suresh K. Rajaraman, Xia Zijun
  • Publication number: 20130029258
    Abstract: Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent.
    Type: Application
    Filed: April 1, 2011
    Publication date: January 31, 2013
    Applicant: CABOT CORPORATION
    Inventors: Alyson M. Christopher, George D. Eid, Joachim K. Floess, Dmitry Fomitchev, Jincheng Xiong
  • Publication number: 20120215019
    Abstract: Novel silicone compounds containing a siloxane moiety and at least one terpenyl moiety, such as limonenyl or valencenyl, and methods for their synthesis, are provided. The novel compounds are appropriate for incorporation into cosmetic formulations due to their low aroma, resistance to deterioration, and favorable solubility properties.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 23, 2012
    Applicant: GELEST TECHNOLOGIES, INC.
    Inventors: Barry C. ARKLES, Rudolph CAMERON, Youlin PAN, Gerald L. LARSON
  • Patent number: 8198361
    Abstract: The present invention provides a non-crosslinked silicon polyether composition comprising at least one compound with the following formula; [(R1O)(C2H4O)a(C3H6O)b(C4H8O)c]dR2(R3)e wherein R1 is a monovalent radical defined as MgMAhMBiMHjMEkDlDHmDEnToTHpTEqQr M=R4R5R6SiO1/2; MA=R7R8R9SiR10; MB=[(R11R12R13Si)sR14]tSi(R15)u(R16)vR17 MH=R18Si(R19)(R20)O1/2; ME=R21R22RESiO1/2; D=R23R24SiO2/2; DH=R25Si(R26)O2/2; DE=R27RESiO2/2; T=R28SiO3/2; TH=R29SiO3/2; TE=RESiO2/2; and Q=SiO4/2; R2 and R14 are polyvalent linear or branched; R3 is —(C2H4O)(C3H6O)b(C4H8O)c—R30 or R1; R30 is a monovalent saturated; R4, R5, R6, R7, R8, R9, R11, R12, R13, R15, R16, R19, R20, R21, R22, R23, R24, R26, R27, and, R28 are monovalent hydrocarbon radicals having from 1 to about 10 carbons; R10, R17, R18, R25 and R29 are divalent hydrocarbon radicals having 1 to about 25 carbons; RE is —R32—(C2H4O)a(C3H6O)b(C4H8O)c—R33; R32 is a divalent hydrocarbon radical having 1 to about 60 carbons; R33 is a monovalent hydrocarbon radical having 1
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: June 12, 2012
    Assignee: Momentive Performance Materials Inc.
    Inventors: Benjamin Falk, Kalman Koczo, Antonio Palumbo
  • Patent number: 8198337
    Abstract: The present invention provides for a demulsifying composition comprising a blend of a) an emulsion; and b) a demulsifying-effective amount of a non-crosslinked silicon polyether. The present invention also provides for a method for separating emulsions using the demulsifying composition discussed.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: June 12, 2012
    Assignee: Momentive Performance Materials Inc.
    Inventors: Benjamin Falk, Kalman Koczo, Monjit Phukan, Antonio Palumbo, Anubhav Saxena
  • Publication number: 20120130105
    Abstract: Disclosed herein is the selective synthesis of mono-hydrosilylated derivatives of polyunsaturated compounds, such as trivinylcyclohexane using non-precious metal based pyridinediimine and terpyridine complex as selective hydrosilylation catalysts.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 24, 2012
    Applicants: Cornell University, Momentive Performance Materials Inc.
    Inventors: Kenrick M. Lewis, Aaron M. Tondreau, Richard W. Cruse, Keith J. Weller, Johannes G.P. Delis, Susan A. Nye, Paul J. Chirik
  • Patent number: 8110697
    Abstract: Polymerizable siloxy-substituted silanes are obtained in high yield and purity by adding a substituted alkoxysilane to a mixture of disiloxane, acetic acid, sulfuric acid, and optionally an acidic catalyst, separating a product phase from an acidic phase, adding hexamethyldisilazane to the product phase and filtering off a resulting salt, followed by distillation.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: February 7, 2012
    Assignee: Wacker Chemie AG
    Inventors: Markus Jandke, Florian Koopmann, Birgit Peschanel
  • Patent number: 8101789
    Abstract: Siloxy-substituted silane-containing polymerizable silicones are prepared in high purity by metering a substituted alkoxysilane into a mixture of disiloxane, acetic acid, and acid catalyst, adding acetyl chloride, separating an acidic phase from a product phase, and adding hexamethyldisilazane to the product phase, which is then distilled.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: January 24, 2012
    Assignee: Wacker Chemie AG
    Inventors: Markus Jandke, Florian Koopmann, Birgit Peschanel
  • Publication number: 20110318584
    Abstract: The present invention provides silica particles including primary particles, the primary particles having an average particle diameter in a range of from about 100 nm to about 500 nm, a particle size distribution index in a range of from about 1.40 to about 1.80, and an average roundness in a range of from about 0.5 to about 0.85, and about 95% or more, by number of particles, of the primary particles satisfying following Formula (1) with respect to a roundness (R) and a particle diameter (D) (nm): R=?×D/1000+???Formula (1) (?2.5????0.9, 0.8???1.2).
    Type: Application
    Filed: November 2, 2010
    Publication date: December 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideaki YOSHIKAWA, Yuka ZENITANI, Hiroyoshi OKUNO, Shunsuke NOZAKI, Shinichiro KAWASHIMA, Sakae TAKEUCHI
  • Publication number: 20110306694
    Abstract: The invention relates to compositions comprising linear siloxanes, comprising only one further organically modified group in addition to the Si-alkyl substitution in the siloxane chain, wherein said group is bonded to a terminal silicon atom, and to the use thereof for producing polyurethane cold foams.
    Type: Application
    Filed: December 14, 2009
    Publication date: December 15, 2011
    Applicant: Evonik Goldschmidt GmbH
    Inventors: Martin Glos, Frauke Henning, Mladen Vidakovic
  • Publication number: 20110287074
    Abstract: Disclosed herein are a variety of applications for an antimicrobial agent. The antimicrobial agent comprises a silanol containing molecule, the silanol containing molecule comprising silanols (R1R2R3SiOH), siloxanediols HO(R1R2SiO)nH, siloxanols HO(R1R2SiO)nSiR1R2R3 or combinations thereof, where R1, R2 and R3 are selected from alkyl or fluoroalkyl moieties having 1 to 4 carbon atoms, vinyl or aryl groups and n is less than about 6.
    Type: Application
    Filed: May 24, 2011
    Publication date: November 24, 2011
    Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.
    Inventors: Liwen Jin, Ronald Howard Baney
  • Patent number: 8030509
    Abstract: In accordance with one aspect, the present invention provides an amino-siloxane composition comprising at least one of structures I, II, III, IV or V said compositions being useful for the capture of carbon dioxide from gas streams such as power plant flue gases. In addition, the present invention provides methods of preparing the amino-siloxane compositions are provided. Also provided are methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention as species which react with carbon dioxide to form an adduct with carbon dioxide. The reaction of the amino-siloxane compositions provided by the present invention with carbon dioxide is reversible and thus, the method provides for multicycle use of said compositions.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: October 4, 2011
    Assignee: General Electric Company
    Inventors: Robert James Perry, Larry Neil Lewis, Michael Joseph O'Brien, Grigorii Lev Soloveichik, Sergei Kniajanski, Tunchiao Hubert Lam, Julia Lam Lee, Malgorzata Iwona Rubinsztajn
  • Patent number: 8021650
    Abstract: Dimethicone copolyol polymers are synthesized from dimethicone copolyol macromers. Polymers containing the macromer repeating units are useful in a variety of applications including personal care, textile and industrial formulations to deliver softness, lubricity, fixative, humidity resistance, water repellency, gloss, surface modification, and surfactant properties.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: September 20, 2011
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Krishnan Tamareselvy, Thomas Barker, Deborah Filla, Aroop Kumar Roy, Carol Kyer, Denise Rafferty, Joseph Zellia, Regina Klump
  • Patent number: 8003724
    Abstract: The invention relates to allyl functionalized precipitated silica, rubber compositions containing such silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with an allyl silane, particularly to a precipitated silica containing allyl functional groups.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: August 23, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Bruce Raymond Hahn, Edward Lee Johnson, Abdulkareem Modupe Melaiye, Bing Jiang, Robert Alan Kinsey
  • Publication number: 20110185947
    Abstract: The invention relates to a method for production of polyhydroxyfunctional polysiloxanes with branched polyglycidol polyether groups, in which firstly at least one allylic or methallylic starting material is reacted with at least one glycidol, such that an allyl polyether or methallyl polyether is formed, and then the allyl polyether or methallyl polyether thus produced is added to a Si—H functional alkyl polysiloxane in the presence of an acid buffering agent. The invention further relates to polysiloxanes, which may be obtained by said method and the use of the polysiloxanes in coating agents, polymeric coating masses and thermoplastics.
    Type: Application
    Filed: July 6, 2009
    Publication date: August 4, 2011
    Applicant: BYK-Chemie GmbH
    Inventors: Wojciech Jaunky, Albert Frank, Hans-Willi Bogershausen, Wolfgang Griesel, Petra Della Valentina, Jurgen Omeis
  • Publication number: 20110184142
    Abstract: An MQ resin including at least 30% SiO2, preferably at least 50 wt % SiO2, and having dynamic viscosity of 50 centipoises (cps) to 750 cps at 25° C. is produced from a stable ethylsilicate polymer. The ethylsilicate polymer includes not greater than 1 wt % of TEOS monomer. The ethylsilicate polymer is produced by a two step addition of catalysts wherein a hydrolysis catalyst, for example, hydrochloric acid is added initially and a second catalyst, such as phosphonitrilic chloride trimer, is added subsequently.
    Type: Application
    Filed: January 3, 2011
    Publication date: July 28, 2011
    Inventors: Walter L. Magee, Adam W. Emerson, Wallace G. Joslyn, Richard S. Odneal
  • Patent number: 7935842
    Abstract: Three types of trisiloxane surfactants having the basic formula: MDM? are described wherein the substituents on the differing M and M? groups in conjunction with a pendant polyalkylene oxide substituents on the D group to render the surfactant resistant to hydrolysis under either basic or acidic conditions.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: May 3, 2011
    Assignee: Momentive Performance Materials Inc.
    Inventors: George A. Policello, Mark D. Leatherman, Wenqing Peng, Suresh K. Rajaraman, Zijun Xia
  • Patent number: 7935395
    Abstract: A liquid crystal molecule is disclosed, having a structure represented by the following general formula (1): wherein X1 is a group selected among groups represented by the following formula (2): X2 is represented by the following formula (3): R1 represents a linear or branched hydrocarbon group or an alkoxy group each having from 4 to 16 carbon atoms; R2 represents an optionally branched organosiloxane or organosilane having from 1 to 6 silicon atoms; other variables in formulae are defined therein.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: May 3, 2011
    Assignee: Sony Corporation
    Inventors: Rika Kotake, Hidehiko Takanashi, Ken Kobayashi
  • Patent number: 7915440
    Abstract: A method for preparing a polyorganosiloxane which is sold at 25° C. and has R13SiO0.5 units wherein R1 is a hydrocarbon group having 1 to 10 carbon atoms and SiO2 units, said method comprising the steps of: [1] subjecting at least one selected from an organosilane and an organodisiloxane, and at least one selected from a tetralkoxysilane and a partial condensate of hydrolysates of the tetralkoxysilane to hydrolysis reaction and condensation reaction in the presence of an acidic catalyst; [2] adding a liquid aliphatic hydrocarbon; and subsequently [3] separating a liquid aliphatic hydrocarbon phase and an aqueous phase and then removing said aqueous phase; provided that the step [2] may be performed before, during, or after the step [1].
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: March 29, 2011
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shunji Aoki, Ichiro Ono, Kiyoyuki Mutoh, Akira Yamamoto
  • Publication number: 20110060083
    Abstract: The invention relates to allyl functionalized precipitated silica, rubber compositions containing such silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with an allyl silane, particularly to a precipitated silica containing allyl functional groups.
    Type: Application
    Filed: November 12, 2010
    Publication date: March 10, 2011
    Inventors: Bruce Raymond Hahn, Edward Lee Johnson, Abdulkareem Modupe Melaiye, Bing Jiang, Robert Alan Kinsey
  • Patent number: 7887932
    Abstract: An organic light-emitting device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode. The organic layer includes at least one organosiloxane compound selected from organosiloxane compounds represented by An organic light-emitting device using the organosiloxane compound has a low operating voltage, high color purity, and high efficiency.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: February 15, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yi-Yeol Lyu, Jong-Jin Park, Byoung-Ki Choi, Myeong-Suk Kim, Sung-Hun Lee, Lyong-Sun Pu, Ok-Kyung Cho, Young-Mok Son, O-Hyun Kwon, Young-Hun Byun, Das Rupasree Ragini
  • Patent number: 7834120
    Abstract: A novel monofunctional monomer having a cage oligosiloxane structure is represented by formula (1) wherein X is a polymerizable oxygen-containing C1-C40 group, R1 is a C1-C20 saturated hydrocarbon group, C6-C20 aromatic hydrocarbon group, C1-C20 organoxy group or halogen atom, and R is a non-polymerizable monovalent C1-C40 hydrocarbon group which is optionally halogenated. The monomer has improved compatibility with various solvents and polymerizable monomers. A method for preparing the same is also provided.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: November 16, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Ayumu Kiyomori, Tohru Kubota, Yasufumi Kubota, Takayuki Honma
  • Publication number: 20100280266
    Abstract: The invention includes a fixed-bed catalyst complex that includes (i) a metal carbene catalyst, wherein the metal is platinum, and (ii) a catalyst support that includes one or more of silica, alumina and/or glass. The invention provides a fixed-bed catalyst complex that includes a catalyst complex including a carbene chosen from those represented by at least one of Formulae (I), (II), (III), and (IV): Where the vales of X and R1 to R7 are specifically defined. The complex also includes a catalyst support that comprises silica, related reaction products, and related reaction systems.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 4, 2010
    Applicant: Gelest Technologies Inc.
    Inventors: Gerald L. Larson, Barry C. Arkles, Rudolph A. Cameron
  • Patent number: 7732546
    Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain hydrophilic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymeric compositions comprise polymerizable hydrophilic siloxanyl monomers.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: June 8, 2010
    Assignee: Bausch & Lomb Incorporated
    Inventors: Joseph C. Salamone, Jay F. Kunzler
  • Patent number: 7692032
    Abstract: The present invention relates to a thermal conductive silicone composition containing a siloxane which contains a hydrolytic group represented by the formula (1): where R1 is a group containing an alkoxysilyl group having 1 to 4 carbon atoms, R2 is a siloxy represented by the following formula (2) or a monovalent hydrocarbon group having 6 to 18 carbon atoms, X is a divalent hydrocarbon group having 2 to 10 carbon atoms, a and b are integers of 1 or more, c is an integer of 0 or more, the sum of a+b+c is an integer of 4 or more, R3 is a monovalent hydrocarbon group having 1 to 6 carbon atoms or a hydrogen atom, provided that R3s may be the same as or different from each other; R4 is a monovalent hydrocarbon group having 1 to 12 carbon atoms, Y is a group selected from a methyl group, a vinyl group and R1, and d is an integer of 2 to 500.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: April 6, 2010
    Assignee: Momentive Performance Materials Japan LLC
    Inventor: Chisato Hoshino
  • Patent number: 7652072
    Abstract: Compositions comprising an asymmetric disiloxane surfactant composition comprising a silicone composition comprising a silicone having the formula: MM? where M or M? comprises an alkylpolyalkyleneoxide bearing substituent selected from the group consisting of: R13(C2H4O)a(C3H6O)b(C4H8O)cR14 and R12SiR5R6(R13(C2H4O)a(C3H6O)b(C4H8O)cR14) that exhibit resistance to hydrolysis over a wide pH range.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: January 26, 2010
    Assignee: Momentive Performance Materials Inc.
    Inventors: Mark D. Leatherman, George A. Policello, Suresh K. Rajaraman
  • Patent number: 7547797
    Abstract: A highly volatile electrical/electronic parts surfactant containing a polyether-modified silicone having one polyether chain in the molecule, wherein the surface tension at 25° C. of a 0.01 mass % aqueous solution thereof is 25 mN/m or less, the aforesaid silicone is expressed by the following average structural formula (1), and when heated from room temperature to 200° C. at a rate of 5° C./minute to 200° C. and maintained at a temperature of 200° C. for 100 minutes, the polyether-modified silicone completely volatilizes without leaving any remainder, and a method of manufacturing this highly volatile polyether-modified silicone are disclosed. AMe2SiO(MeASiO)nSiMe2A??(1) In formula (1), any one of A is a substituent group expressed by the following general formula (2), the remaining A are methyl groups and n is an integer from 0-2. —CaH2aO(C2H4O)bR??(2) In formula (2), a is 3-4, b is an integer from 1-7 and R is a methyl group or an ethyl group.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: June 16, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Akira Yamamoto, Shoji Ichinohe
  • Patent number: 7534901
    Abstract: A process for preparing ?, ?-functional siloxane compounds in a purity of greater than or equal to 90% includes contacting a monohydrosiloxane compound of formula 1 with oxygen in the presence of a platinum group catalyst, without adding water, to form the ?, ?-functional siloxane compound in a purity of greater than or equal to 90%; wherein n is 0, 1, or 2; R1 is fluoroethyl, methyl or phenyl; and R2 is substituted alkyl, epoxyalkyl, oxetanylalkyl, substituted oxaalkyl, epoxyoxaalkyl, oxetanyloxaalkyl, alkenyl, alkylalkoxysilyl, substituted alkylaryl, and substituted arylalkyl.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: May 19, 2009
    Assignee: Rensselaer Polytechnic Institute
    Inventor: James V. Crivello
  • Patent number: 7507775
    Abstract: Disiloxane compounds of the formula MM? Where M comprises either branched allyl hydrocarbon substituents or silanyl substituents and M? comprises an alkylpolyalkyleneoxide substituent. The disiloxane compounds of the invention exhibit an enhanced resistance to hydrolysis outside a pH range ranging from 6 to 7.5, and are useful as surfactants.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: March 24, 2009
    Assignee: Momentive Performance Materials Inc.
    Inventors: Mark D. Leatherman, George A. Policello, Suresh K. Rajaraman
  • Patent number: 7504469
    Abstract: The invention relates to polyester-modified poly-siloxanes of the general formula (I) where A is an alkyl group having 1 to 8 carbon atoms, Z is an aliphatic group having 1 to 14 carbon atoms, R is an aliphatic and/or cycloaliphatic and/or aromatic poly-ester group containing at least 3 ?and having a weight-average molecular weight of 200 to 4000 g/mol, with no Zerewitinoff hydrogen atoms, Q is a group which contains no Zerewitinoff hydrogen atoms and is free from reactive carbon-carbon multiple bonds, m is 3 to 200 and o+n=2, with both o and n being other than zero. The invention further relates to the use of the compounds of the invention in thermoplastics, moulding compounds and coating materials.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: March 17, 2009
    Assignee: BYK-Chemie GmbH
    Inventors: Karlheinz Haubennestel, Alfred Bubat, Hans-Willi Boegershausen, Wolfgang Griesel, Ulrich Nolte