Patents by Inventor Ayumu Kiyomori

Ayumu Kiyomori 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).

  • Publication number: 20240052172
    Abstract: A resin-coated metal powder according to the present invention is obtained by covering at least a part of the surface of a metal powder with a hydrolyzable resin that has an average composition of general formula (1) and a number average molecular weight of from 500 to 100,000; and this resin-coated metal powder exhibits sufficient dispersibility in an aqueous solution, while being stable for a relatively long period of time even in the coexistence of water in an aqueous coating material.
    Type: Application
    Filed: October 14, 2020
    Publication date: February 15, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Shotaro AOKI, Ayumu KIYOMORI
  • Patent number: 11760903
    Abstract: The adhesive composition includes: a cyclic organosilazane compound of the following general formula (1): wherein R1s each independently represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and p represents an integer of 3 to 8; and a hydrolyzable group-containing organosilicon compound containing an alkoxysilane compound of the following general formula (2) and/or a partial hydrolytic condensate thereof: R2x—Si(OR3)4-x ??(2) wherein R2 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms and optionally having an oxygen atom, R3 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and x represents an integer of 0 to 2.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: September 19, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masato Kawakami, Ayumu Kiyomori, Koichi Nakazawa
  • Patent number: 11731992
    Abstract: A halosilane compound: R1CH2CH2SiR52X is prepared by hydrosilylation reaction of a vinyl compound: R1CH?CH2 with a halogenodiorganosilane compound having formula: HSiR52X in the co-presence of an iridium catalyst, an internal olefin compound, and an allyl halide. The halosilane compound is prepared on an industrial scale with the advantages of low costs, high yields, and high selectivity, using a small amount of iridium catalyst.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: August 22, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Koichi Nakazawa, Takahiro Kojima, Ayumu Kiyomori
  • Publication number: 20220356195
    Abstract: A halosilane compound: R1CH2CH2SiR52X is prepared by hydrosilylation reaction of a vinyl compound: R1CH?CH2 with a halogenodiorganosilane compound having formula: HSiR52X in the co-presence of an iridium catalyst, an internal olefin compound, and an allyl halide. The halosilane compound is prepared on an industrial scale with the advantages of low costs, high yields, and high selectivity, using a small amount of iridium catalyst.
    Type: Application
    Filed: April 1, 2022
    Publication date: November 10, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Koichi NAKAZAWA, Takahiro KOJIMA, Ayumu KIYOMORI
  • Patent number: 11339252
    Abstract: A polysiloxazane compound including a repeating unit of the following general formula (1), and having a number average molecular weight of 500 to 100,000 as measured by gel permeation chromatography versus polystyrene standards, wherein R1 and R2 each independently represent a substituted or unsubstituted C1-C50 monovalent hydrocarbon group optionally containing a hetero atom, Xs each independently represent a methyl group, an oxygen atom, NH—SiX2, or (NH)(3-r)/2—SiR1R2r (R1 and R2 have the same meaning as provided above), or Xs are joined to one another to represent an oxygen atom, n is an integer of 0 to 8, when the number of NH—SiX2 is denoted by p, p satisfies 0?p/(2n+4)?0.5, r is an integer of 0, 1, or 2, and a and b are numbers satisfying 0<a?1, 0?b<1, and a+b=1.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: May 24, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masato Kawakami, Shotaro Aoki, Ayumu Kiyomori
  • Patent number: 11279848
    Abstract: A polysilazane composition comprising an organopolysilazane compound free of Si—H structure and an organoxysilane compound having at least two silicon atoms in the molecule does not release hazardous substances such as hydrogen or require reactive solvents.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 22, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masato Kawakami, Ayumu Kiyomori
  • Patent number: 11203603
    Abstract: Provided is a carbonate-containing silane compound having a characteristic structure that at least two silicon atoms are linked by a carbon chain. The silane compound is chemically stable. When used as an additive to a nonaqueous electrolyte solution, the silane compound does not jeopardize the safety of lithium ion secondary batteries.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: December 21, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Shotaro Aoki, Yoichi Tonomura, Yasufumi Kubota, Ayumu Kiyomori
  • Patent number: 11203670
    Abstract: A bissilylamino group-containing organic polysilazane compound having an average composition represented by general formula (1) below: wherein R1 is a monovalent hydrocarbon group, R2 is a divalent hydrocarbon group, R3 and R4 are a monovalent hydrocarbon group, R3 and R4 optionally bond each other to form a ring structure together with a silicon atom to which R3 and R4 are bonded and a nitrogen atom to which the silicon atom is directly bonded, R5 is a monovalent hydrocarbon group, p is 0 or 1, q is 0, 1, or 2, and a and b are numbers which satisfy 0<a?1, 0?b<1, and a+b=1, and having a number average molecular weight in terms of polystyrene measured by GPC of 500 to 100,000.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 21, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masato Kawakami, Ayumu Kiyomori
  • Publication number: 20210355145
    Abstract: A process for producing a dimethylchlorosilane compound of formula (2) below: wherein X represents a halogen atom or an acyloxy group having 2 to 20 carbon atoms, the process including the step of: reacting an allyl compound of formula (1) below: wherein X has a meaning same as above, with dimethylchlorosilane in presence of an iridium catalyst, wherein the dimethylchlorosilane has a content of 1,1,3,3-tetramethyldisiloxane of 5.0 wt % or less.
    Type: Application
    Filed: May 4, 2021
    Publication date: November 18, 2021
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shotaro AOKI, Yoichi TONOMURA, Ayumu KIYOMORI
  • Publication number: 20210332265
    Abstract: The adhesive composition includes: a cyclic organosilazane compound of the following general formula (1): wherein R1s each independently represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and p represents an integer of 3 to 8; and a hydrolyzable group-containing organosilicon compound containing an alkoxysilane compound of the following general formula (2) and/or a partial hydrolytic condensate thereof: R2x—Si(OR3)4-x ??(2) wherein R2 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms and optionally having an oxygen atom, R3 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and x represents an integer of 0 to 2.
    Type: Application
    Filed: April 8, 2021
    Publication date: October 28, 2021
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masato KAWAKAMI, Ayumu KIYOMORI, Koichi NAKAZAWA
  • Patent number: 11118072
    Abstract: A composition is provided comprising (a) a polysilazane having a monovalent hydrocarbon group, (b) untreated metal oxide nanoparticles, metal oxide nanoparticles having a monovalent hydrocarbon group, or metal oxide nanoparticles having an alkylsilyl or alkoxysilyl group, and (c) an aprotic solvent. The composition has storage stability and is suitable for forming a film having water repellent, especially superhydrophobic properties.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: September 14, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ayumu Kiyomori, Shotaro Aoki, Masato Kawakami, Tohru Kubota
  • Patent number: 11066427
    Abstract: The invention provides an organosilane compound having a more bulky substituent group than the existing organosilane compounds. The compound is represented by formula (1) wherein R1 is a C4-C10 tertiary hydrocarbon group, R2 is a C1-C10 alkyl group, and LG is halogen or trifluoromethanesulfonyloxy.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: July 20, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Shotaro Aoki, Ayumu Kiyomori
  • Publication number: 20210062040
    Abstract: A polysilazane composition comprising an organopolysilazane compound free of Si—H structure and an organoxysilane compound having at least two silicon atoms in the molecule does not release hazardous substances such as hydrogen or require reactive solvents.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 4, 2021
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masato KAWAKAMI, Ayumu KIYOMORI
  • Publication number: 20200385411
    Abstract: The invention provides an organosilane compound having a more bulky substituent group than the existing organosilane compounds. The compound is represented by formula (1) wherein R1 is a C4-C10 tertiary hydrocarbon group, R2 is a C1-C10 alkyl group, and LG is halogen or trifluoromethanesulfonyloxy.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 10, 2020
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shotaro AOKI, Ayumu KIYOMORI
  • Publication number: 20200332070
    Abstract: A bissilylamino group-containing organic polysilazane compound having an average composition represented by general formula (1) below: wherein R1 is a monovalent hydrocarbon group, R2 is a divalent hydrocarbon group, R3 and R4 are a monovalent hydrocarbon group, R3 and R4 optionally bond each other to form a ring structure together with a silicon atom to which R3 and R4 are bonded and a nitrogen atom to which the silicon atom is directly bonded, R5 is a monovalent hydrocarbon group, p is 0 or 1, q is 0, 1, or 2, and a and b are numbers which satisfy 0<a?1, 0?b<1, and a+b=1, and having a number average molecular weight in terms of polystyrene measured by GPC of 500 to 100,000.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masato KAWAKAMI, Ayumu KIYOMORI
  • Publication number: 20200239641
    Abstract: A polysiloxazane compound including a repeating unit of the following general formula (1), and having a number average molecular weight of 500 to 100,000 as measured by gel permeation chromatography versus polystyrene standards, wherein R1 and R2 each independently represent a substituted or unsubstituted C1-C50 monovalent hydrocarbon group optionally containing a hetero atom, Xs each independently represent a methyl group, an oxygen atom, NH—SiX2, or (NH)(3-r)/2—SiR1R2r (R1 and R2 have the same meaning as provided above), or Xs are joined to one another to represent an oxygen atom, n is an integer of 0 to 8, when the number of NH—SiX2 is denoted by p, p satisfies 0?p/(2n+4)?0.5, r is an integer of 0, 1, or 2, and a and b are numbers satisfying 0<a?1, 0?b<1, and a+b=1.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 30, 2020
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masato Kawakami, Shotaro Aoki, Ayumu Kiyomori
  • Patent number: 10727410
    Abstract: A surface modifier for a transparent oxide electrode contains a reactive silyl compound represented by General Formula (1): Rf—X-A-SiR13-n(OR2)n??(1) in which, Rf is an aryl group having 10 or fewer carbon atoms that may have an alkyl substituent having 1 to 5 carbon atoms, wherein at least one hydrogen atom is replaced with a fluorine atom, X represents a divalent group selected from —O—, —NH—, —C(?O)O—, —C(?O)NH—, —OC(?O)NH—, —NHC(?O)NH—, or a single bond, A represents a straight chain, branched chain or cyclic aliphatic divalent hydrocarbon group having 1 to 10 carbon atoms, an aromatic divalent hydrocarbon group, or a single bond, a surface-modified transparent oxide electrode formed by coating with the surface modifier. A method for producing a surface-modified transparent oxide electrode is also provided.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: July 28, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Ayumu Kiyomori, Yusuke Itoh
  • Patent number: 10683312
    Abstract: Provided is a glycoluril ring-containing organosilicon compound having 4 organoxysilyl groups to form silanol groups capable of covalently bonding with hydroxyl groups on an inorganic material surface. The compound imparts mechanical strength and adhesion to an organic/inorganic composite material.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: June 16, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeshi Nyuugaku, Ayumu Kiyomori
  • Patent number: 10533073
    Abstract: A 2-cyanoethyl-containing organoxysilane compound having the formula: NC—CH2—CH2—X—Si(OR1)3 is heat resistant and compatible with organic solvents. R1 is a C1-C20 monovalent hydrocarbon group, and X is a C2-C20 divalent hydrocarbon group which contains a methylene and/or methine moiety, at least one of the methylene and methine moieties being substituted with a divalent heteroatom linking moiety NR (wherein R is hydrogen, C1-C20 monovalent hydrocarbon group or 2-cyanoethyl), a trivalent heteroatom linking moiety N, or a combination thereof.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: January 14, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yusuke Itoh, Ayumu Kiyomori
  • Publication number: 20190382535
    Abstract: A 2-cyanoethyl-containing organoxysilane compound having the formula: NC—CH2—CH2—X—Si(OR1)3 is heat resistant and compatible with organic solvents. R1 is a C1-C20 monovalent hydrocarbon group, and X is a C2-C20 divalent hydrocarbon group which contains a methylene and/or methine moiety, at least one of the methylene and methine moieties being substituted with a divalent heteroatom linking moiety NR (wherein R is hydrogen, C1-C20 monovalent hydrocarbon group or 2-cyanoethyl), a trivalent heteroatom linking moiety N, or a combination thereof.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yusuke ITOH, Ayumu KIYOMORI