Patents Examined by Kuo-Liang Peng
  • Patent number: 11401420
    Abstract: Provided is a composition that imparts an excellent flexibility to post-treatment fibers and textiles, provides a water-absorptive fiber surface and provides an excellent durability, and can maintain the water absorbency of the fiber surface even after a laundry treatment. Also provided is a fiber treatment agent that contains said composition as an effective component. The composition contains the following component (A) and component (B) wherein the content ratio on a mass basis represented by component (A)/[component (A)+component (B)] is 0.01-1. Component (A) is an organopolysiloxane represented by general formula (1) or a silane represented by general formula (2), and component (B) is water.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: August 2, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takumi Fukamachi, Shunji Aoki, Yuta Hamajima
  • Patent number: 11401421
    Abstract: The purpose of the present invention is to provide an addition-curable silicone rubber composition which gives a cured product having a controlled oil-bleeding property and releasability from a mold, without increasing an amount of a bleeding oil to be added. Thus, the present invention provides an addition-curable silicone rubber composition comprising the following components (A) to (D): (A) 100 parts by mass of an organopolysiloxane having at least two alkenyl groups each bonded to a silicon atom, (B) 0.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: August 2, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tatsuei Hara, Ryo Ashida, Hidenori Mizushima, Shigeru Ubukata, Nobu Kato
  • Patent number: 11398588
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment an optoelectronic component includes at least one optoelectronic semiconductor chip configured to emit radiation and an encapsulation around the semiconductor chip. The encapsulation is a polysiloxane. A barrier layer can be used for protection against harmful gases, the barrier layer being arranged on the encapsulation. The barrier layer is a plasma-polymerized siloxane layer.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 26, 2022
    Assignee: OSRAM OLED GMBH
    Inventors: Thomas Reeswinkel, Kathy Schmidtke
  • Patent number: 11390715
    Abstract: Provided is a hydrosilylation reactive composition that can be used to obtain an organopolysiloxane cured product having high adhesiveness and sufficient mechanical strength, and a method for manufacturing a cured product using this composition. The composition comprises: (A) a compound including at least one monovalent hydrocarbon group with an aliphatic unsaturated bond per molecule; (B) a compound including at least two hydrogen atoms bonded to a silicon atom per molecule; (C) a first hydrosilylation catalyst; and (D) a second hydrosilylation catalyst including platinum, rhodium, ruthenium, or iridium and exhibiting activity at a temperature at least 30° C. higher than the temperature at which component (C) exhibits activity. Also provided is a method for conducting a hydrosilylation reaction at two different temperature levels using this composition.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: July 19, 2022
    Assignee: DOW TORAY CO., LTD.
    Inventor: Makoto Yoshitake
  • Patent number: 11390746
    Abstract: The present disclosure relates to a light curable, light-heat or light-moisture dually curable, or light-heat-moisture multiple curable polyorganosiloxane composition, which has ease of synthesis, low volatile content, rapid curability, excellent toughness and/or superior optical/physical stability in a variety of fields such as coating materials, encapsulants, sealants and adhesives, a cured body obtained by curing said compositions, and an electronic device comprising the same.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: July 19, 2022
    Assignees: Dow Silicones Corporation, Dow Toray Co., Ltd.
    Inventors: Takuya Ogawa, Yungjin Park, Juyoung Yook
  • Patent number: 11384268
    Abstract: A curable silicone composition for die bonding use contains at least (A) an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organopolysiloxane having at least two siloxane units each represented by the formula: RHSiO (wherein R represents a monovalent hydrocarbon group having 1 to 12 carbon atoms and having no aliphatic unsaturated bond) per molecule, (C) a platinum-group metal-based catalyst for hydrosilylation reactions, (D) a hydrosilylation reaction inhibitor and (E) an adhesiveness-imparting agent, wherein the scorch time (ts1), which is defined in JIS K 6300-2, at a die bonding temperature is 20 to 60 seconds, and the 90% vulcanization time [tc(90)] with respect to the maximum torque value during the vulcanization time of 600 seconds is 300 to 500 seconds. The curable silicone composition for die bonding use according to the present invention can adhere a semiconductor chip to a support strongly.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: July 12, 2022
    Assignee: DuPont Toray Specialty Materials Kabushiki Kaisha
    Inventors: Ryosuke Yamazaki, Shinichi Yamamoto
  • Patent number: 11384244
    Abstract: Provided are a curable organopolysiloxane composition, and a pattern forming method using the curable organopolysiloxane composition. The curable organopolysiloxane composition generally has hydrosilylation reaction curing properties, may be precisely applied using, for example, a jet dispenser, and has a viscosity at a strain rate of 1,000 (1/s) of 2.0 Pa·s or less, and a viscosity at a strain rate of 0.1 (1/s) of at least 50.0 times the viscosity at a strain rate of 1,000 (1/s). The curable organopolysiloxane composition has rheological properties suitable for precision application and micropattern formation using a microdroplet coating device such as a jet dispenser.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: July 12, 2022
    Assignee: DOW TORAY CO., LTD.
    Inventor: Manabu Sutoh
  • Patent number: 11384012
    Abstract: A durable, hydrophobic and anti-scratching nano-coating for coating on a glass substrate or surface having a water contact angle of about 90° or more, a reduced coefficient of friction by 50% or more, and a reduced surface roughness compared to those of the glass substrate or surface without the nano-coating is provided, which includes a layer of fluorinated silica derived from sol-gel hydrolysis between one or more tetraalkoxysilanes having at least three alkoxy groups and one or more polyfluorinated silanes having at least a trialkoxysilane and from 15 to 17 fluorine atoms in the presence of a catalyst to a reaction mixture of the sol-gel hydrolysis between the one or more tetraalkoxysilanes and the one or more polyfluorinated silanes, and a solvent. A related method of fabricating the nano-coating via atomization of acid-containing or alkali-containing solution and sol-gel precursor solution onto the glass surface is also provided.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 12, 2022
    Assignee: Nano and Advanced Materials Institute Limited
    Inventors: Su Ping Bao, Wenjun Luo, Lei Gao, Man Lung Sham
  • Patent number: 11377557
    Abstract: The present invention relates to a hydrosilylation-curable silicone composition comprising: a maleate compound, and a hydrosilylation inhibitor other than the maleate compound, wherein the content of the maleate compound is in an amount of 50 to 6,000 ppm and the content of the hydrosilylation inhibitor is in an amount of 200 to 20,000 ppm, with respect to the present composition in terms of mass units, respectively. The hydrosilylation-curable silicone composition exhibits good storage stability, and can be cured to form a cured product that suffers no surface wrinkling.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 5, 2022
    Assignee: DOW SILICONES CORPORATION
    Inventors: Sun Hee Kim, Min Hee Kwon
  • Patent number: 11370917
    Abstract: A curable hot-melt silicone composition exhibits excellent mechanical properties, particularly strength and extension, even when formed in a film or sheet shape. The curable hot-melt silicone composition contains (A) alkenyl group-containing organopolysiloxane having at least 2 alkenyl groups per molecule, (B) branched organohydrogenpolysiloxane having at least 2 silicon-bonded hydrogen atoms per molecule, at 0.1 to 5% by mass relative to the total mass of the composition, (C) additive represented by average unit formula (C-1), (D) hydrosilylation catalyst, and (E) silica.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: June 28, 2022
    Assignee: DuPont Toray Specialty Materials Kabushiki Kaisha
    Inventors: Shunya Takeuchi, Sawako Inagaki, Akito Hayashi, Akihiko Kobayashi
  • Patent number: 11373921
    Abstract: The present disclosure provides thermal interface materials that are useful in transferring heat from heat generating electronic devices, such as computer chips, to heat dissipating structures, such as heat spreaders and heat sinks. The thermal interface material is soft and has elastic properties post-curing along with high thermally conductive filler loading. The thermal interface material includes at least one long chain alkyl silicone oil; at least one long chain, vinyl terminated alkyl silicone oil; at least one long chain, single end hydroxyl terminated silicone oil; at least one thermally conductive filler, at least one coupling agent, at least one catalyst, at least one crosslinker, and at least one addition inhibitor.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: June 28, 2022
    Assignee: Honeywell International Inc.
    Inventors: Kai Zhang, Liqiang Zhang, Ling Shen, Ya Qun Liu
  • Patent number: 11369992
    Abstract: Coating compositions for coating an oilfield operational component, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of the oilfield operational component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: June 28, 2022
    Assignee: FORMULA NO. 37, LLC
    Inventors: Greg Andrews, George D. Andrews, Jeff Capell
  • Patent number: 11370916
    Abstract: The invention relates to a curable composition comprising a) at least one polymer having at least one silicon-containing group of formula (1) —Si(R1)k(Y)3-k??(1), wherein each R1 is independently selected from a hydrocarbon radical containing 1 to 20 C atoms or a triorganosiloxane group of formula —O—Si(R2)3, wherein each R2 is independently selected from a hydrocarbon radical containing 1 to 20 C atoms; each Y is independently selected from a hydroxy group or a hydrolysable group; and k is 0, 1, or 2; b) at least one mixture of paramagnetic titanium complexes, characterized by a Landé g-factor of less than 2 detected by Electron Paramagnetic Resonance Spectroscopy; c) optionally, at least one compound which has a hydrolysable silicon-containing group and a molecular weight in the range of 100 to 1000 g/mol, an aminosilane preparations containing these compositions thereof.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: June 28, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Andrea Gutacker, Jan-Erik Damke, Johann Klein, Esteban Mejia
  • Patent number: 11370936
    Abstract: A process is provided for preparing composite articles composed of a rigid glass, metal or thermoplastic resin substrate and of a silicone elastomer with good mechanical properties and good adhesion between the substrate and the silicone elastomer E such that there is a solid bond between the two parts. The composite articles are used in very diverse fields such as electrical and electronic equipment, motor vehicle and medical equipment, and they may be found, for example, in household appliances, consumer goods, medical equipment and sports and leisure articles.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 28, 2022
    Assignee: Elkem Silicones France SAS
    Inventors: Perez Ghislaine, David Mariot
  • Patent number: 11360386
    Abstract: An organic EL display device having excellent light-emitting reliability while it has pixel division layer (8) and/or planarization layer (4) having excellent optical properties is provided.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 14, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Akihiro Ishikawa, Kazuto Miyoshi
  • Patent number: 11359072
    Abstract: Provided is a dispersion liquid for sealing a light-emitting element containing metal oxide particles having a refractive index of 1.7 or higher and a surface-modifying material at least partially attached to the metal oxide particles, in which a particle diameter D50 of the metal oxide particles when a cumulative percentage of a scattering intensity distribution obtained by a dynamic light scattering method is 50% is 30 nm or more and 100 nm or less, and a value D50/D90 obtained by dividing the particle diameter D50 of the metal oxide particles when the cumulative percentage of the scattering intensity distribution is 50% by a particle diameter D90 of the metal oxide particles when the cumulative percentage of the scattering intensity distribution is 90% is 0.20 or more.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: June 14, 2022
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Kenji Harada, Takeshi Otsuka
  • Patent number: 11345828
    Abstract: A siloxane-modified latex binder includes a polymerization product of a monomer or a mixture of monomers for producing a latex polymer and a non-hydrolyzable siloxane. The non-hydrolyzable siloxane is represented by Formula (I): wherein: R1, R2, R3, R4, R5, R6, R7, and R8 are independently hydrogen, alkyl, —O-alkyl, —OH, —S-alkyl, —SH, amino, amido, epoxy, carboxyl, acrylate, (meth)acrylate, cycloalkyl, aryl, alkalyl, polyether, alkenyl, or alkynyl; and n is an integer from 0 to about 300; provided that at least one of R1, R2, R3, R4, R5, R6, R7, and R8 is an alkenyl or alkynyl.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 31, 2022
    Assignee: COLUMBIA INSURANCE CO.
    Inventors: Yong Yang, Johanna L. Garcia De Visicaro, Luz Clarena Shavel, Robert Sheerin
  • Patent number: 11339256
    Abstract: A composition contains (a) a silicon-free mercapto compound comprising 2 or more mercapto groups; (b) a linear polyorganosiloxane containing one or more than one terminally unsaturated alkenyl group, 40 mole-percent or more phenyl groups relative to moles of silicon atoms and at least one alkoxysilyl group per molecule; (c) a resinous polyorganosiloxane containing one or more than one terminally unsaturated alkenyl group and 20 mole-percent or more phenyl groups relative to moles of silicon atoms; (d) a photoinitiator; and (e) a moisture cure catalyst; and wherein the molar ratio of mercapto groups to terminally unsaturated alkenyl groups in the composition is in a range of 0.3 to 2.0.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: May 24, 2022
    Assignee: Dow Silicones Corporation
    Inventors: Junying Liu, David M. Altergott, Steven Swier
  • Patent number: 11332581
    Abstract: A condensation curable gel composition is the disclosed. The composition comprises: (i) at least one condensation curable silyl terminated polymer having at least one hydrolysable and/or hydroxyl functional group(s) per molecule; (ii) a cross-linker selected from the group of a silicone, an organic polymer, a monosilane or a disilane molecule which contains at least two hydrolysable groups per molecule; and (iii) a condensation catalyst selected from the group of titanates, zirconates or tin (II). The molar ratio of hydroxyl and/or hydrolysable group(s) in polymer (i) to hydrolysable groups from component (ii) is between 0.5:1 and 1:1 using a monosilane cross-linker or 0.75:1 to 3:1 using disilanes. The titanates and zirconates comprise M-OR functions where M is titanium or zirconium and R is an aliphatic hydrocarbon group. The molar ratio of M-OR or tin (II) functions to the hydroxyl and/or hydrolysable groups in polymer (i) is comprised between 0.01:1 and 0.5:1.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 17, 2022
    Assignee: DOW SILICONES CORPORATION
    Inventors: Frederic Gubbels, Sandrine Teixeira de Carvalho
  • Patent number: 11332580
    Abstract: Compositions of curable silicone rubber compounds containing at least one metal siloxane-silanol(-ate) compound, a method for preparing curable silicone rubber compounds containing at least one metal siloxane-silanol(-ate) compound, as well as the use of curable silicone rubber compounds containing at least one metal siloxane-silanol(-ate) compound as a sealant, an adhesive material, a potting compound and/or a coating agent.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: May 17, 2022
    Assignee: NITROCHEMIE ASCHAU GMBH
    Inventors: Klaus Langerbeins, Alexis Krupp, Thomas Knott, Jörg Lippstreu, Rüdiger Schuck, Ulrich Pichl