Patents by Inventor Akiyoshi Kimura

Akiyoshi Kimura 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: 12529010
    Abstract: A compound is provided that exhibits high detergency even when contained at a low concentration in a detergent composition, and that has a narrow gelation concentration range at low temperatures and excellent handling properties; a precursor compound for producing the compound; and a surfactant composition and a detergent composition that include the compound. The compound of the present invention is represented by a chemical formula (1) below: wherein R1 and R2 are each an aliphatic hydrocarbon group, X is a single bond or a hydrocarbon group having 1 or more and 5 or less carbon atoms, a total number of carbon atoms of R1, R2, and X is 2 or more and 39 or less, A1 is —O(-A11O)m—H or —O(-A12O)p—H, A2 is —O—R3O(-A21O)n—H or —O(-A22O)q+1—H, wherein R3, A11, A12, A21, A22, m, n, p, q are defined in the specification.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: January 20, 2026
    Assignee: KAO CORPORATION
    Inventors: Akiyoshi Kimura, Ojiro Tamagawa
  • Patent number: 12116510
    Abstract: A hot melt adhesive composition which can realize moderate adhesive strength with respect to the adherend when porous substrate is used, the composition, including: a styrene-based block copolymer; a tackifier; and a plasticizer; wherein: the styrene-based block copolymer is a styrene-butadiene block copolymer and a butadiene portion thereof is partially hydrogenated; the tackifier is contained by 65 to 190 parts by mass with respect to 100 parts by mass of the styrene-based block copolymer; and the plasticizer is contained by 0.1 to 24 parts by mass with respect to 100 parts by mass of the styrene-based block copolymer.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: October 15, 2024
    Assignee: DENKA COMPANY LIMITED
    Inventors: Yoshiaki Yamamoto, Akiyoshi Kimura, Yosuke Tate, Toshikatsu Mitsunaga
  • Publication number: 20240287359
    Abstract: An adhesive tape includes an adhesive layer containing an adhesive composition, wherein: the adhesive composition contains a styrene-butadiene-based block copolymer and first, second, and third tackifiers; a butadiene portion of the styrene-butadiene-based copolymer is partially hydrogenated; a content of a styrene-derived monomer unit of the styrene-butadiene-based copolymer is 24 mass % or more; in GPC measurement, the styrene-butadiene-based copolymer contains a component (a) having a peak top molecular weight of between 200000 and 400000, and a component (b) having a peak top molecular weight of between 100000 and 200000; the first tackifier is a terpene-based resin which is liquid at 23° C.; the second tackifier has a softening point of 70 to 120° C.; the third tackifier is a terpene phenolic resin having a softening point of 140° C. or higher; and the adhesive tape includes a nonwoven fabric coated with the adhesive composition by hot-melt coating, the nonwoven fabric containing rayon.
    Type: Application
    Filed: July 4, 2022
    Publication date: August 29, 2024
    Applicant: DENKA COMPANY LIMITED
    Inventors: Akiyoshi KIMURA, Yoshiaki YAMAMOTO, Daisuke YOSHIMURA
  • Publication number: 20240228836
    Abstract: An adhesive tape includes an adhesive layer containing an adhesive composition, wherein: the adhesive composition contains a styrene-butadiene-based block copolymer, a first tackifier, a second tackifier, and a third tackifier; a butadiene portion of the styrene-butadiene-based block copolymer is partially hydrogenated; the first tackifier is at least one of a rosin ester which is liquid at 23° C. and a terpene-based resin which is liquid at 23° C.; the second tackifier has a softening point of 70 to 120° C.; the third tackifier has a softening point of 140° C. or higher; holding force of the adhesive tape at 70° C. based on JIS Z0237 is 100 minutes or more; a melt viscosity of the adhesive composition at 200° C. is 100000 cp or lower.
    Type: Application
    Filed: July 4, 2022
    Publication date: July 11, 2024
    Applicant: DENKA COMPANY LIMITED
    Inventors: Akiyoshi KIMURA, Yoshiaki YAMAMOTO, Daisuke YOSHIMURA
  • Patent number: 12030844
    Abstract: The present invention provides: a compound that has a low melting point and is capable of forming a film of high hydrophobicity, and a composition containing this compound. The compound of the present invention is represented by chemical formula (1). (In the formula, R1 and R2 are each a C1-C33 aliphatic hydrocarbon group, the total number of carbons of in R1 and R2 is 14-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and A is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2).
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 9, 2024
    Assignee: KAO CORPORATION
    Inventors: Shogo Kamenoue, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura
  • Patent number: 12024657
    Abstract: An object of the present invention is to provide an adhesive tape having flexibility even at a low temperature, having excellent adhesive force at low temperature and after a certain period, and having excellent holding force after a certain period, and suppressing adhesive residue at peeling off even after being left for a certain period. According to the present invention, provided is an adhesive tape comprising a substrate and an adhesive layer, wherein the adhesive layer is formed directly on the substrate or with another layer therebetween, the substrate contains a polyvinyl chloride resin, a plasticizer, and a zinc compound, a content of the plasticizer in the substrate is 30 to 50 mass % with respect to the total mass of the substrate, a content of a zinc atom in the substrate is 0.01 to 0.15 mass % with respect to the total mass of the substrate, and the adhesive layer contains an adhesive component and a vulcanizing agent.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: July 2, 2024
    Assignee: Denka Company Limited
    Inventors: Akiyoshi Kimura, Daisuke Yoshimura
  • Publication number: 20240002748
    Abstract: A compound is provided that exhibits high detergency even when contained at a low concentration in a detergent composition, and that has a narrow gelation concentration range at low temperatures and excellent handling properties; a precursor compound for producing the compound; and a surfactant composition and a detergent composition that include the compound. The compound of the present invention is represented by a chemical formula (1) below: wherein R1 and R2 are each an aliphatic hydrocarbon group, X is a single bond or a hydrocarbon group having 1 or more and 5 or less carbon atoms, a total number of carbon atoms of R1, R2, and X is 2 or more and 39 or less, A1 is —O(-A11O)m—H or —O(-A12O)p—H, A2 is —O—R3O(-A21O)n—H or —O(-A22O)q+1—H, wherein R3, A11, A12, A21, A22, m, n, p, q are defined in the specification.
    Type: Application
    Filed: November 30, 2021
    Publication date: January 4, 2024
    Applicant: KAO CORPORATION
    Inventors: Akiyoshi KIMURA, Ojiro TAMAGAWA
  • Publication number: 20230407205
    Abstract: The invention provides a compound of chemical formula (1), a precursor compound for producing the compound, a surfactant composition and a detergent composition including the compound, wherein R1 and R2 are each an aliphatic hydrocarbon group, X is a single bond or a hydrocarbon group having 1 or more and 5 or less carbon atoms, a total number of carbon atoms of R1, R2, and X is 2 or more and 39 or less, A1 is —O(-A11O)l-H, A2 is —O—CH2—CH(—O(-A21O)m-H)(—CH2—O(-A22O)n-H) or —O—CH(—CH2—O(-A23O)s-H)(—CH2—O(-A24O)t-H), A11, A21, A22, A23, and A24 are each independently an alkanediyl group having 2 or more and 8 or less carbon atoms, l, m, n, s, and t are an average value and are each independently 0 or more, and a total of l, m, and n, and a total of l, s, and t are each independently more than 0 and 200 or less.
    Type: Application
    Filed: November 30, 2021
    Publication date: December 21, 2023
    Applicant: KAO CORPORATION
    Inventors: Shogo KAMENOUE, Akiyoshi KIMURA, Ojiro TAMAGAWA
  • Patent number: 11739039
    Abstract: The present invention provides: a surfactant that has outstanding emulsifiability in oil, wetting properties with respect to matter, osmotic properties with respect to fiber products, and washability; and a surfactant composition that contains the surfactant. This surfactant contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: August 29, 2023
    Assignee: KAO CORPORATION
    Inventors: Shogo Kamenoue, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura
  • Patent number: 11725143
    Abstract: The present invention provides: a rust inhibitor that has excellent rust inhibiting and anti-corrosive properties, not only on iron members, but also on non-iron metal members, and can prevent rust and corrosion over long periods; a rust inhibitor composition that contains the rust inhibitor, a coating formation material; a coating obtained from the rust inhibitor, the rust inhibitor composition, or the coating formation material; and a metal component that comprises the coating. This rust inhibitor contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: August 15, 2023
    Assignee: KAO CORPORATION
    Inventors: Shogo Kamenoue, Jun Naganuma, Hiroya Shiba, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki
  • Patent number: 11702584
    Abstract: The present invention provides a co-surfactant which, when used in combination with a surfactant, can reduce the size of the surfactant micelle and can enhance the functions of the surfactant, such as the expression of microemulsion formation performance. This co-surfactant contains at least one compound represented by chemical formula (1). (In the formula, R1 is a hydrogen atom or a C1-C33 aliphatic hydrocarbon group, R2 is a C1-C33 aliphatic hydrocarbon group, the total number of carbons of R1 and R2 is 6-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and one of A1 and A2 is —OH and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 18, 2023
    Assignee: KAO CORPORATION
    Inventors: Shogo Kamenoue, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura, Jun Naganuma, Hiroya Shiba
  • Publication number: 20220356381
    Abstract: An adhesive tape comprising a porous substrate having a basis weight of 60-150 g/m2, a thickness of 200 ?m or more, and a void ratio of 35 vol % or more, a resin layer provided to at least one surface of the porous substrate, and an adhesive layer provided on the resin layer, wherein the resin layer is formed from a resin composition (I) including a tackifier resin.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 10, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Akiyoshi KIMURA, Yosuke TATE, Daisuke YOSHIMURA
  • Publication number: 20220325141
    Abstract: A binding tape exhibits high sound absorbing performance and suppressed breaking of the tape during the binding work. The binding tape includes a substrate layer of a nonwoven fabric and an adhesive layer that contains an adhesive and that is provided on at least either surface of the substrate layer, where: the nonwoven fabric is formed from fibers at least partially containing a thermoplastic elastomer; and the nonwoven fabric has a tensile breaking strength in the tape longitudinal direction (A1) of 20 N/10 mm or more.
    Type: Application
    Filed: September 15, 2020
    Publication date: October 13, 2022
    Inventors: Yosuke TATE, Akiyoshi KIMURA, Yoshiaki YAMAMOTO, Daisuke YOSHIMURA
  • Publication number: 20220306904
    Abstract: A hot melt adhesive composition which can realize moderate adhesive strength with respect to the adherend when porous substrate is used, the composition, including: a styrene-based block copolymer; a tackifier; and a plasticizer; wherein: the styrene-based block copolymer is a styrene-butadiene block copolymer and a butadiene portion thereof is partially hydrogenated; the tackifier is contained by 65 to 190 parts by mass with respect to 100 parts by mass of the styrene-based block copolymer; and the plasticizer is contained by 0.1 to 24 parts by mass with respect to 100 parts by mass of the styrene-based block copolymer.
    Type: Application
    Filed: September 24, 2020
    Publication date: September 29, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Yoshiaki YAMAMOTO, Akiyoshi KIMURA, Yosuke TATE, Toshikatsu MITSUNAGA
  • Publication number: 20220220363
    Abstract: The present invention provides a co-surfactant which, when used in combination with a surfactant, can reduce the size of the surfactant micelle and can enhance the functions of the surfactant, such as the expression of microemulsion formation performance. This co-surfactant contains at least one compound represented by chemical formula (1). (In the formula, R1 is a hydrogen atom or a C1-C33 aliphatic hydrocarbon group, R2 is a C1-C33 aliphatic hydrocarbon group, the total number of carbons of R1 and R2 is 6-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and one of A1 and A2 is —OH and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 14, 2022
    Applicant: KAO CORPORATION
    Inventors: Shogo KAMENOUE, Hiroshi HORI, Takashi WAKASA, Shunsuke KORIKI, Takashi MIZOOKU, Ryuya ARATA, Akiyoshi KIMURA, Jun NAGANUMA, Hiroya SHIBA
  • Publication number: 20220213383
    Abstract: The present invention provides: a rust inhibitor that has excellent rust inhibiting and anti-corrosive properties, not only on iron members, but also on non-iron metal members, and can prevent rust, and corrosion over long periods; a rust, inhibitor composition that, contains the rust inhibitor, a coating formation material; a coating obtained from the rust inhibitor, the rust inhibitor composition, or the coating formation material; and a metal component that comprises the coating. This rust inhibitor contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic: hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 7, 2022
    Applicant: KAO CORPORATION
    Inventors: Shogo KAMENOUE, Jun NAGANUMA, Hiroya SHIBA, Takashi MIZOOKU, Ryuya ARATA, Akiyoshi KIMURA, Hiroshi HORI, Takashi WAKASA, Shunsuke KORIKI
  • Publication number: 20220213017
    Abstract: The present invention provides: a surfactant that has outstanding emulsifiability in oil, wetting properties with respect to matter, osmotic properties with respect to fiber products, and washability; and a surfactant composition that contains the surfactant. This surfactant contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2-CH (OH)—CH2OH or —O—CH(—CH2-OH)2.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 7, 2022
    Applicant: KAO CORPORATION
    Inventors: Shogo KAMENOUE, Hiroshi HORI, Takashi WAKASA, Shunsuke KORIKI, Takashi MIZOOKU, Ryuya ARATA, Akiyoshi KIMURA
  • Publication number: 20220195249
    Abstract: A binding tape which has sound deadening properties, can suppress layer separation, and is also excellent in abrasion resistance. The binding tape includes a substrate layer made from a non-woven fabric, and an adhesive layer, wherein the substrate layer includes at least two types of fused sections having different shapes. The fused sections are preferably formed by thermally fusing fibers of the non-woven fabric by a heat embossing. Further, the binding tape preferably has a scrape abrasion resistance repetition number of 100 times or more.
    Type: Application
    Filed: April 10, 2020
    Publication date: June 23, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Yousuke TATE, Akiyoshi KIMURA, Daisuke YOSHIMURA
  • Publication number: 20220144741
    Abstract: The present invention provides: a compound that has a low melting point and is capable of forming a film of high hydrophobicity, and a composition containing this compound. The compound of the present invention is represented by chemical formula (1). (In the formula, R1 and R2 are each a C1-C33 aliphatic hydrocarbon group, the total number of carbons of in R1 and R2 is 14-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and A is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Application
    Filed: May 28, 2020
    Publication date: May 12, 2022
    Applicant: KAO CORPORATION
    Inventors: Shogo KAMENOUE, Takashi MIZOOKU, Ryuya ARATA, Akiyoshi KIMURA
  • Publication number: 20210214586
    Abstract: An object of the present invention is to provide an adhesive tape having flexibility even at a low temperature, having excellent adhesive force at low temperature and after a certain period, and having excellent holding force after a certain period, and suppressing adhesive residue at peeling off even after being left for a certain period. According to the present invention, provided is an adhesive tape comprising a substrate and an adhesive layer, wherein the adhesive layer is formed directly on the substrate or with another layer therebetween, the substrate contains a polyvinyl chloride resin, a plasticizer, and a zinc compound, a content of the plasticizer in the substrate is 30 to 50 mass % with respect to the total mass of the substrate, a content of a zinc atom in the substrate is 0.01 to 0.15 mass % with respect to the total mass of the substrate, and the adhesive layer contains an adhesive component and a vulcanizing agent.
    Type: Application
    Filed: February 15, 2019
    Publication date: July 15, 2021
    Applicant: DENKA COMPANY LIMITED
    Inventors: Akiyoshi Kimura, Daisuke Yoshimura