Patents Assigned to Kao Corporation
  • Publication number: 20250143295
    Abstract: Provided is a viral or bacterial inactivation agent composition. The viral or bacterial inactivation agent composition contains (A) a quaternary ammonium salt-type surfactant, (B) an aliphatic alcohol with 8 or more and 24 or less carbons having a branched alkyl group or a linear alkenyl group, and water. Also provided is a method for inactivating a virus or a bacterium using the viral or bacterial inactivation agent composition that has high inactivation effects on viruses and bacteria even under the condition of using a quaternary ammonium salt-type surfactant at a low concentration.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 8, 2025
    Applicant: KAO CORPORATION
    Inventors: Haruna ICHIHASHI, Tadashi SUGAHARA, Ayaka YUBUTA, Yumi YAMAGUCHI, Yukiko TABUCHI, Yu MINOWA, Yasuhiro ISHIHARA
  • Publication number: 20250143296
    Abstract: Provided is a method for inactivating viruses or bacteria that has high inactivation effects on enveloped viruses, bacteria of the genus Moraxella and bacteria of the genus Micrococcus even under the condition of using a quaternary ammonium salt-type surfactant at a low concentration, A method for inactivating one or more viruses or bacteria selected from an enveloped virus, a bacterium of the genus Moraxella and a bacterium of the genus Micrococcus and present on a surface of interest, including, bringing a treatment liquid containing (A) a quaternary ammonium salt-type surfactant, (B) an aliphatic alcohol and water into contact with the surface of interest.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 8, 2025
    Applicant: Kao Corporation
    Inventors: Yukiko TABUCHI, Yumi YAMAGUCHI, Ayaka YUBUTA, Tadashi SUGAHARA, Haruna ICHIHASHI, Yu MINOWA, Yasuhiro ISHIHARA
  • Patent number: 12292450
    Abstract: Provided is an accurate, minimally invasive method for diagnosing dementia or mild cognitive impairment. The method for examining the likelihood of mild cognitive impairment or dementia, or the risk of dementia includes the steps of: measuring the amount of stereoisomers of proline in the biological sample collected from a subject; and comparing the level of D-proline with a reference value.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: May 6, 2025
    Assignee: KAO CORPORATION
    Inventors: Ren Kimura, Hisashi Tsujimura, Masaru Tsuchiya, Satoko Soga, Noriyasu Ota, Hunkyung Kim
  • Publication number: 20250136835
    Abstract: A treating solution containing an alkanediol (A) having 9 or more carbon atoms in which two hydroxy groups are respectively bonded to the carbon atoms that are non-adjacent to each other, at least one compound (B) of a polyvalent metal salt or a polyvalent amine, and water. An ink set for ink-jet printing is also described, which contains the treating solution and an ink that contains a coloring material and water. An ink-jet printing method using the treating solution includes applying the treating solution onto a printing medium to obtain a surface-treated printing medium, and forming images on a treated surface of the surface-treated printing medium in an ink-jet printing manner using an ink that contains a coloring material and water.
    Type: Application
    Filed: April 13, 2023
    Publication date: May 1, 2025
    Applicant: KAO CORPORATION
    Inventors: Yuichi TAMURA, Masashi INOUE, Tetsuya EGUCHI
  • Publication number: 20250136532
    Abstract: A method of producing an internal olefin, including the step 1 and the step 2 below in this order.
    Type: Application
    Filed: September 16, 2022
    Publication date: May 1, 2025
    Applicant: KAO CORPORATION
    Inventors: Takahiro KISHIMA, Shingo TAKADA, Hidehito IKEBATA
  • Patent number: 12285518
    Abstract: A detergent comprising (A) an anionic surfactant, (B) a quaternary ammonium cation-modified silicone, and (C) an organic acid is described. A mass ratio [(A)/(B)] of the component (A) to the component (B) is 100 or more, and a mass ratio [(A)/(C)] of the component (A) to the component (C) is 1 or more and 900 or less.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 29, 2025
    Assignee: KAO CORPORATION
    Inventor: Naoyuki Yamazaki
  • Patent number: 12286384
    Abstract: The present invention is a plant growth promoter containing a lignocellulosic biomass, wherein the lignocellulosic biomass has a lignin content of 40% by mass or more and 60% by mass or less and a contact angle with water of 50° or less.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: April 29, 2025
    Assignee: KAO CORPORATION
    Inventors: Akihiro Tanoue, Yuji Maruno
  • Patent number: 12285514
    Abstract: The present invention relates to a cosmetic composition containing the following Components (A) and (B): Component (A): a hydrophobic polymer which has a glass transition temperature Tg of 30° C. or higher, the polymer having a different kind of an electric charge to the following Component (B), or not having an electric charge; and Component (B): a hydrophilic ionic polymer. The cosmetic composition of the present invention can be suitably used in cosmetics for hair.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 29, 2025
    Assignee: KAO CORPORATION
    Inventors: Kaori Hayashi, Masayuki Narita, Naoya Kawakami, Tomokazu Iseki
  • Patent number: 12287606
    Abstract: A resin binder composition for toners, containing a polyester resin A which is a polycondensate A of raw materials A containing an alkylene oxide adduct of bisphenol A, an aromatic dicarboxylic acid compound, a trivalent or higher polyvalent raw material monomer being at least any one of a trihydric or higher polyhydric alcohol and a tricarboxylic or higher polycarboxylic acid compound, and an amorphous acid modified product A of an ?-olefin polymer having 4 to 18 carbon atoms, the polyester resin A having a softening point of 120° C. to 150° C.; and a toner for electrostatic image development, containing the resin binder composition. The resin binder composition is suitable for a toner for electrostatic image development used in development of latent images formed in electrostatic image development, electrostatic recording and electrostatic printing.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: April 29, 2025
    Assignee: Kao Corporation
    Inventors: Kota Ijichi, Kunihiro Kano, Nobumichi Kamiyoshi
  • Patent number: 12280127
    Abstract: A composition for forming a coating film containing fine fibers, imparting an excellent durability to an obtained coating film. The composition for forming a coating film includes the following components (a) and (b): (a) one or more oil agents selected from the group consisting of ester oil, ether oil, hydrocarbon oil and higher alcohol; and (b) a fiber, at 0.5 mass % or more and 10 mass % or less based on the total composition for forming a coating film, the fiber having an average fiber diameter of 0.1 ?m or more and 7 ?m or less. The relationship [(average fiber diameter)2/(fiber content)](?m2/mass %) in the composition is 0.005 or more and 7 or less, and the mass ratio of the component (b) to the component (a), (b/a), is 0.005 or more and 5 or less.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: April 22, 2025
    Assignee: KAO CORPORATION
    Inventors: Kaori Ishida, Shingo Hirono, Tatsuya Fujimoto, Hideo Kobayashi
  • Patent number: 12280559
    Abstract: A method for manufacturing a pouch-type packaging material includes: a first folding process; a first cutting process of cutting the top-side sheet material, a second sub-region, a first main region, and a first sub-region along a first cutting line that extends from a portion where the top-side sheet material and the second sub-region overlap to a portion closer toward a bottom side in a z direction beyond a first boundary line; a second folding process; a second cutting process of cutting the top-side sheet material, the first sub-region, the first main region, and a second main region along a second cutting line to form a top-side sheet from the top-side sheet material, where the second cutting line extends from a portion where the top-side sheet material and the first sub-region overlap to a portion closer toward the bottom side in the z direction beyond the second boundary line.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: April 22, 2025
    Assignees: FUJI SEAL INTERNATIONAL, INC., KAO CORPORATION
    Inventor: Takao Kano
  • Patent number: 12281230
    Abstract: An inkjet ink that includes (A) a terpene phenol resin having a hydroxyl value of 46 to 150 mgKOH/g, (B) ethanol, and (C) 1-propanol. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: April 22, 2025
    Assignee: Kao Corporation
    Inventors: Yuta Matsumoto, Daniel Sandker
  • Patent number: 12275915
    Abstract: The present invention is a fragrance composition containing, (A) a fragrance compound, and (B) a compound represented by the following formula 1, wherein R1 and R2 each represent a hydrocarbon group, R1 and R2 having 17 or more carbons in total, A1O and A2O each represent an alkyleneoxy group with 2 or more and 4 or less carbons, with A1 and A2 being alkylene groups, x1 and x2 represent average numbers of added moles of A1O and A2O, respectively, and each represent a number of 0 or more and 10 or less, and M is a cation.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: April 15, 2025
    Assignee: KAO CORPORATION
    Inventors: Saki Nakamura, Yuya Kitagawa, Takako Igarashi, Ryuuya Arata, Yusuke Yamane, Shusuke Matsui
  • Patent number: 12274772
    Abstract: The present invention is directed to a kit-of-parts for bleaching keratin fibers, having a bleaching composition A comprising a) one or more persalt(s) and/or peroxy salt(s), and b) one or more alkalizing agent(s), an aqueous oxidizing composition B, and a composition C comprising c) one or more non-acetylated sugar alcohol(s), and/or their mixtures, wherein the bleaching composition A comprises less than 5% by weight of water, calculated to the total weight of the bleaching composition A.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: April 15, 2025
    Assignee: KAO CORPORATION
    Inventors: Peter Bauer, Steven Breakspear, Bernd Nöcker, Ines Rabelo De Moraes
  • Patent number: 12276936
    Abstract: A resin binder composition for toners, containing a polyester resin A that is a polycondensate of an alcohol component containing 80% by mol or more of an aliphatic diol having 2 or more carbon atoms and 6 or less carbon atoms and a carboxylic acid component containing an aromatic dicarboxylic acid compound and an amorphous acid modified product A of an ?-olefin polymer having 4 or more carbon atoms and 18 or less carbon atoms; and a toner for electrostatic image development, containing these resin binder composition for toners. The resin binder composition for toners of the present invention is suitably used for a toner for electrostatic image development which is usable in development of latent images formed in, for example, electrostatic image development method, electrostatic recording method, electrostatic printing method or the like.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: April 15, 2025
    Assignee: Kao Corporation
    Inventors: Kota Ijichi, Kunihiro Kano, Nobumichi Kamiyoshi
  • Publication number: 20250115828
    Abstract: Provided are an inactivating agent for enveloped viruses, an inactivating composition for enveloped viruses and a method for inactivating enveloped viruses having high inactivation effects on enveloped viruses even under mild use conditions such as low concentrations or short-time contact. An inactivating agent for enveloped viruses including, as an effective component, (a) an anionic surfactant having a critical micelle concentration of 0.2×10?3 mol/L or more and 2.0×10?3 mol/L or less at 25° C. and a krafft point of 5° C. or less and having a sulfonic acid group, a sulfate group or a salt of these substituents.
    Type: Application
    Filed: January 16, 2023
    Publication date: April 10, 2025
    Applicant: Kao Corporation
    Inventors: Tatsuki OHASHI, Kozo YAMADA, Kei SUGITANI
  • Patent number: 12263497
    Abstract: Provided is a hand-held type electrostatic spray device (1) spraying an electrically charged liquid, the electrostatic spray device (1) comprising: a voltage source; a needle-shaped electrode (53: a base electrode) for electrically charging the liquid to which a voltage is applied from the voltage source and which includes a linear tip portion; a second bottom portion (32: an additional electrode) of a second electrode member (3) to which a voltage is applied from the voltage source; and a conductor (6) which is electrically isolated from the second bottom portion (32) and the needle-shaped electrode (53) and is disposed on a spray side of the liquid from the second bottom portion (32), at least a part of the conductor (6) overlapping with the second bottom portion (32) in a direction orthogonal to a spray direction of the liquid.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 1, 2025
    Assignee: KAO CORPORATION
    Inventor: Shinji Kodama
  • Publication number: 20250100891
    Abstract: A method for producing hollow silica particles having an average particle diameter of 0.5 ?m or more and 3.0 ?m or less and a total content of alkali metals and alkaline earth metals of 50 mass ppm or less with respect to a content of the silica in the particles, wherein the hollow silica particles have a relative permittivity of 2.5 or less and a dielectric dissipation factor of 0.0050 or less at a measurement frequency of 5.8 GHZ, and the method includes the following steps. Step A: a step of making an aqueous emulsion of a hydrophobic liquid using a cationic surfactant A; Step B: a step of adding, to the aqueous emulsion obtained in Step A, a silanol precursor, an alkaline substance, and a cationic surfactant B, and generating a hollow silica particle precursor; Step C: a step of heat-treating the hollow silica particle precursor obtained in Step B at a temperature higher than 1000° C. and 1200° C. or lower for one hour or more.
    Type: Application
    Filed: January 23, 2023
    Publication date: March 27, 2025
    Applicant: KAO CORPORATION
    Inventors: Hiroki HOSHIDA, Fumiya HAMADA
  • Patent number: D1070936
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: April 15, 2025
    Assignee: KAO CORPORATION
    Inventors: Yoshiyuki Kibe, Haruki Ikenaga, Toshihiko Mori
  • Patent number: D1072196
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: April 22, 2025
    Assignee: Kao Corporation
    Inventors: Meri Hozumi, Ryo Kobayashi, Hirokatsu Sugawara, Susumu Fujinami