Patents by Inventor Shinji Irifune

Shinji Irifune has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11834779
    Abstract: Functional agent-containing fibers according to an embodiment of the present invention, wherein a functional agent is supported by silicone fixed to the fibers. The silicone includes an acrylic-modified organopolysiloxane having two or more acrylic groups per molecule. A rate of decrease in the functional agent after the functional agent-containing fibers are washed 10 times is less than 40%. In the present invention, the functional agent-containing fibers may be produced, e.g., by irradiating fibers impregnated with a fiber treatment agent A containing silicone with an electron beam so that the silicone is fixed to the fibers, and impregnating the fibers to which the silicone has been fixed with a fiber treatment agent B containing a functional agent. The functional agent-containing fibers may be produced, e.g.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: December 5, 2023
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., KURASHIKI BOSEKI KABUSHIKI KAISHA
    Inventors: Shinji Irifune, Tomoya Kanai, Masaki Tanaka, Minoru Sugiyama, Hidenobu Morishima, Kazuhiro Sato
  • Publication number: 20220403097
    Abstract: The present invention provides nanometer-sized fibers that are produced by an electrospinning method with use of a spinning solution for electrospinning, said spinning solution being environmentally friendly and taking the effects of an organic solvent on the human body into consideration.
    Type: Application
    Filed: November 6, 2020
    Publication date: December 22, 2022
    Applicants: SHIN-ETSU CHEMICAL CO., LTD., DAINICHISEIKA COLOR&CHEMICALS MFG.CO.,LTD., SHINSHU UNIVERSITY
    Inventors: Daisuke NODA, Shinji IRIFUNE, Masaki TANAKA, Hiromasa SATO, Motoaki UMEZU, Toshihisa TANAKA, Keishiro ONO, Kaisuke NISHIBU
  • Patent number: 11407962
    Abstract: An antifoaming agent including: (A) an organopolysiloxane having a hydrolysable group shown by the formula (1) on at least one silicon atom of an organopolysiloxane segment constituting a main chain and containing siloxy units shown by the formula (2) at an amount of at least 10 mol % of the total, (B) a non-linear organosilicon resin other than the organopolysiloxane of component (A); and (C) a hydrophobic filler, and a method for manufacturing thereof.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: August 9, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Moriya, Shinji Irifune
  • Publication number: 20220169779
    Abstract: A material for medical use, which contains nanofibers that are formed from a resin containing a silicone-modified polyurethane resin, and which is characterized in that: the silicone-modified polyurethane resin is a reaction product of (A) a long-chain polyol that has a number average molecular weight of 500 or more, (B) a short-chain polyol that has a number average molecular weight of less than 500, (C) an active hydrogen group-containing organopolysiloxane and (D) a polyisocyanate; and the average fiber diameter thereof is less than 2,000 nm. This material for medical use exhibits excellent performance in a biological test.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 2, 2022
    Applicants: SHIN-ETSU CHEMICAL CO., LTD., DAINICHISEIKA COLOR&CHEMICALS MFG. CO., LTD., SHINSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Daisuke NODA, Shinji IRIFUNE, Masaki TANAKA, Hiromasa SATO, Motoaki UMEZU, Shota IINO, Toshihisa TANAKA, Chuan Yin
  • Patent number: 11214920
    Abstract: The present invention relates to a fiber treatment agent for electron beam fixing that contains an acrylic-modified organopolysiloxane (A) having two or more acrylic groups per molecule, as represented by the following general formula (I). MaMAbDcDAdTe??(I) (in the general formula (I), M=R1R2R3SiO1/2, MA=R4R5R6SiO1/2, D=R7R8SiO2/2, DA=R9R10SiO2/2, T=R11SiO3/2, R1 to R11 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a phenyl group, R4 and R9 each independently represent a monovalent hydrocarbon group represented by the following general formula (II), a, to d each independently are 0 or a positive integer, e is an integer of 0 to 3, c+d is an integer of 10 to 1000, b+d is an integer of at least 2, and a+b is an integer equal to e+2.) (in the general formula (II), n is an integer of 1 to 3).
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: January 4, 2022
    Assignees: Shin-Etsu Chemical Co., Ltd., Kurashiki Boseki Kabushiki Kaisha
    Inventors: Shinji Irifune, Tomoya Kanai, Masaki Tanaka, Minoru Sugiyama, Kunihiro Ohshima
  • Patent number: 10889728
    Abstract: A silicone mist inhibitor which has an excellent effect of inhibiting silicone mist and provides a composition and a cured product which have excellent storage stability is provided. A silicone mist inhibitor includes at least one selected from organic powder, inorganic powder and inorganic-organic composite powder, wherein the powder has a volume average particle size of 100 to 4000 nm. Further, a solventless silicone composition includes an organopolysiloxane having a viscosity at 25 degrees C. of 25 to 50,000 mPa·s, wherein the solventless silicone composition further includes the aforesaid silicone mist inhibitor in an amount of 0.1 to 10 parts by mass, relative to 100 parts by mass of the organopolysiloxane.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 12, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kenji Tanaka, Shinji Irifune, Yoshinori Inokuchi
  • Patent number: 10870760
    Abstract: An epoxy group-containing organopolysiloxane shows the following average composition formula (1) and has an epoxy equivalent of 500 g/mol or more. The epoxy group-containing organopolysiloxane has excellent ultraviolet curability even when the content of epoxy group is small (when the epoxy equivalent is large), an ultraviolet curable silicone composition uses the same, and a method forms a cured film. In the formula, each R1 represents the same or different unsubstituted or substituted monovalent hydrocarbon group having 1 to 10 carbon atoms (except for a group containing an epoxy group); R2 represents a group containing an epoxy group; R3 represents a hydrogen atom or a saturated monovalent hydrocarbon group having 1 to 4 carbon atoms; “a”, “b”, and “c” are positive numbers, “d” is 0 or a positive number, satisfying (a+b)/(c+d)=0.5 to 1.0.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: December 22, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryota Hashimoto, Shinji Irifune
  • Publication number: 20200392428
    Abstract: An antifoaming agent including: (A) an organopolysiloxane having a hydrolysable group shown by the formula (1) on at least one silicon atom of an organopolysiloxane segment constituting a main chain and containing siloxy units shown by the formula (2) at an amount of at least 10 mol % of the total, (B) a non-linear organosilicon resin other than the organopolysiloxane of component (A); and (C) a hydrophobic filler, and a method for manufacturing thereof.
    Type: Application
    Filed: October 3, 2018
    Publication date: December 17, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki MORIYA, Shinji IRIFUNE
  • Patent number: 10836981
    Abstract: The present application relates to anti-foam compositions and methods of making and using such compositions as well as consumer products that comprise such compositions and the use of same. Such anti-foam compositions have low viscosities yet are effective antifoamers.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: November 17, 2020
    Assignee: The Procter & Gamble Company
    Inventors: Rajan Keshav Panandiker, Bernard William Kluesener, Rachel Morgan Clayton Roeder, Hiroyuki Moriya, Shinji Irifune
  • Publication number: 20200190325
    Abstract: An epoxy group-containing organopolysiloxane shows the following average composition formula (1) and has an epoxy equivalent of 500 g/mol or more. The epoxy group-containing organopolysiloxane has excellent ultraviolet curability even when the content of epoxy group is small (when the epoxy equivalent is large), an ultraviolet curable silicone composition uses the same, and a method forms a cured film. In the formula, each R1 represents the same or different unsubstituted or substituted monovalent hydrocarbon group having 1 to 10 carbon atoms (except for a group containing an epoxy group); R2 represents a group containing an epoxy group; R3 represents a hydrogen atom or a saturated monovalent hydrocarbon group having 1 to 4 carbon atoms; “a”, “b”, and “c” are positive numbers, “d” is 0 or a positive number, satisfying (a+b)/(c+d)=0.5 to 1.0.
    Type: Application
    Filed: October 23, 2017
    Publication date: June 18, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryota HASHIMOTO, Shinji IRIFUNE
  • Publication number: 20200165772
    Abstract: Functional agent-containing fibers according to an embodiment of the present invention, wherein a functional agent is supported by silicone fixed to the fibers. The silicone includes an acrylic-modified organopolysiloxane having two or more acrylic groups per molecule. A rate of decrease in the functional agent after the functional agent-containing fibers are washed 10 times is less than 40%. In the present invention, the functional agent-containing fibers may be produced, e.g., by irradiating fibers impregnated with a fiber treatment agent A containing silicone with an electron beam so that the silicone is fixed to the fibers, and impregnating the fibers to which the silicone has been fixed with a fiber treatment agent B containing a functional agent. The functional agent-containing fibers may be produced, e.g.
    Type: Application
    Filed: March 26, 2018
    Publication date: May 28, 2020
    Inventors: Shinji IRIFUNE, Tomoya KANAI, Masaki TANAKA, Minoru SUGIYAMA, Hidenobu MORISHIMA, Kazuhiro SATO
  • Publication number: 20200040520
    Abstract: In one embodiment, the present invention relates to silicone-fixed fibers including fibers and silicone fixed to the fibers. The silicone includes an acrylic-modified organopolysiloxane (A) having two or more acrylic groups per molecule. A rate of decrease in the amount of Si after the silicone-fixed fibers are washed 10 times is less than 50%. The present invention relates to a method for producing silicone-fixed fibers. The method includes coating or impregnating the fibers with a fiber treatment agent containing silicone, and irradiating the fibers coated or impregnated with the fiber treatment agent with an electron beam so that the silicone is fixed to the fibers. The silicone includes an acrylic-modified organopolysiloxane (A) having two or more acrylic groups per molecule. Thus, the present invention provides silicone-fixed fibers that include fibers to which silicone is fixed by electron beam irradiation and have a good texture even after washing, and a method for producing the silicone-fixed fibers.
    Type: Application
    Filed: March 16, 2018
    Publication date: February 6, 2020
    Inventors: Shinji IRIFUNE, Tomoya KANAI, Masaki TANAKA, Minoru SUGIYAMA, Kunihiro OHSHIMA
  • Publication number: 20200040521
    Abstract: The present invention relates to a fiber treatment agent for electron beam fixing that contains an acrylic-modified organopolysiloxane (A) having two or more acrylic groups per molecule, as represented by the following general formula (I). MaMAbDcDAdTe??(I) (in the general formula (I), M=R1R2R3SiO1/2, MA=R4R5R6SiO1/2, D=R7R8SiO2/2, DA=R9R10SiO2/2, T=R11SiO3/2, R1 to R11 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a phenyl group, R4 and R9 each independently represent a monovalent hydrocarbon group represented by the following general formula (II), a, to d each independently are 0 or a positive integer, e is an integer of 0 to 3, c+d is an integer of 10 to 1000, b+d is an integer of at least 2, and a+b is an integer equal to e+2.) (in the general formula (II), n is an integer of 1 to 3.
    Type: Application
    Filed: March 16, 2018
    Publication date: February 6, 2020
    Inventors: Shinji IRIFUNE, Tomoya KANAI, Masaki TANAKA, Minoru SUGIYAMA, Kunihiro OHSHIMA
  • Publication number: 20190144783
    Abstract: The present application relates to anti-foam compositions and methods of making and using such compositions as well as consumer products that comprise such compositions and the use of same. Such anti-foam compositions have low viscosities yet are effective antifoamers.
    Type: Application
    Filed: November 10, 2017
    Publication date: May 16, 2019
    Inventors: Rajan Keshav PANANDIKER, Bernard William KLUESENER, Rachel Morgan Clayton ROEDER, Hiroyuki MORIYA, Shinji IRIFUNE
  • Patent number: 9895296
    Abstract: Provided is a cosmetic preparation superior in stability and feel. The cosmetic preparation contains an (a) organopolysiloxane emulsion in an amount of not smaller than 0.1% by mass. This organopolysiloxane emulsion is obtained through emulsion polymerization and contains octamethylcyclotetrasiloxane in an amount of not larger than 1,000 ppm by mass.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: February 20, 2018
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuji Ando, Shinji Irifune
  • Patent number: 9834678
    Abstract: To provide a radiation-curable silicone composition which provides a cured product whose odor is decreased, particularly is odorless, and has excellent curability and releasing properties. A radiation-curable silicone composition including the following components (A) and (B): (A) an epoxy group-containing cation-polymerizable organopolysiloxane which is represented by the following average composition formula (1): R1aR2bSiO(4-a-b)/2 (1) and (B) an iodonium salt having a cation moiety represented by the following general formula (2) in an effective amount to cure said component (A), [(R3)—I—(R3)]+ (2) wherein R3 is, independently of each other, a substituted or unsubstituted monovalent aromatic hydrocarbon group having 15 to 26 carbon atoms, wherein said component (A) may be accompanied by any other compounds volatilizing during heating at 105 degrees C. for 3 hours, a content of said compounds is at most 2.0 mass %, based on a total amount of component (A) and said compound.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: December 5, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kenji Tanaka, Shinji Irifune, Shunji Aoki
  • Publication number: 20170283653
    Abstract: A silicone mist inhibitor which has an excellent effect of inhibiting silicone mist and provides a composition and a cured product which have excellent storage stability is provided. A silicone mist inhibitor includes at least one selected from organic powder, inorganic powder and inorganic-organic composite powder, wherein the powder has a volume average particle size of 100 to 4000 nm. Further, a solventless silicone composition includes an organopolysiloxane having a viscosity at 25 degrees C. of 25 to 50,000 mPa·s, wherein the solventless silicone composition further includes the aforesaid silicone mist inhibitor in an amount of 0.1 to 10 parts by mass, relative to 100 parts by mass of the organopolysiloxane.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 5, 2017
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kenji TANAKA, Shinji IRIFUNE, Yoshinori INOKUCHI
  • Patent number: 9657181
    Abstract: The invention relates to a composition for an antistatic release agent comprising: a release component, a conductive component, an organic solvent, and water, wherein the release component contains a condensation-type organopolysiloxane, the conductive component contains a complex with a ?-conjugated electrically conductive polymer and a polyanion having a molecular weight of 20,000 to 900,000, an amount of the conductive component is 1 to 300 parts by mass, relative to 100 parts by mass of the release component, at least one amine compound selected from the group consisting of a secondary amine, a tertiary amine or a quaternary ammonium salt is coordinated to or bonded to portion of anion groups in the polyanion as an ion pair, and the water content is 5% by mass or less, relative to a total amount of the composition for an antistatic release agent.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: May 23, 2017
    Assignees: SHIN-ETSU POLYMER CO., LTD., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Kenji Yamamoto, Shinji Irifune
  • Patent number: 9624398
    Abstract: The invention relates to an antistatic release agent comprising: a release component that contains a condensation-curing type organopolysiloxane, a conductive component that contains a complex of a ?-conjugated electrically conductive polymer and a polyanion and an organic solvent, wherein the amount of the conductive component relative to 100 parts by mass of the release component is 1 to 300 parts by mass, at least one amine-type compound selected from the group consisting of a secondary amine, a tertiary amine or a quaternary ammonium salt is coordinated to or bonded to portion of anion groups in the polyanion as an ion pair, and the amine-type compound has one or more substituent selected from the group consisting of an alkyl group having 4 or more carbon atoms, an aryl group, an aralkyl group, an alkylene group, an arylene group, an aralkylene group and an oxyalkylene group.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: April 18, 2017
    Assignees: SHIN-ETSU POLYMER CO., LTD., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Kenji Yamamoto, Shinji Irifune
  • Patent number: 9403968
    Abstract: A heavy release additive for a release sheet comprises a condensation reaction product of dehydrative condensation reaction between (A) a polydiorganosiloxane of average polymerization degree of 500 to 10,000 and has at least one hydroxy or hydrolysable group per molecule and (B) a polyorganosiloxane resin composed of a (SiO4/2) unit and a (R3SiO1/2) unit (wherein R's independently represent a C1-12 monovalent hydrocarbon group or a C2-6 alkenyl group each having no aliphatic unsaturated bond), has a ratio of the (R3SiO1/2) unit to the (SiO4/2) unit of 0.6 to 1.2 by mole, and contains the hydroxy group and the hydrolysable group in the total content of 2.1 mass % or more and less than 10.0 mass %. The heavy release additive can have the effect of achieving an extremely great peel force compared with cases in which no additive is added.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: August 2, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Toshiaki Ihara, Shunji Aoki, Shinji Irifune