Patents Assigned to Kao Corporation
  • 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
  • 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
  • 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
  • Publication number: 20250091119
    Abstract: A cylindrical structure for producing a casting can comprise: a cylindrical main body having a body part and a female joint consecutively connected to the body part and having an inner diameter larger than an outer diameter of the body part.
    Type: Application
    Filed: December 3, 2024
    Publication date: March 20, 2025
    Applicant: Kao Corporation
    Inventors: Yoshiyuki KIBE, Haruki IKENAGA, Yuki MASHIKO
  • Publication number: 20250092271
    Abstract: An aspect of the present disclosure relates to a dispersant for an electrode of a power storage device. The dispersant contains a repeating unit represented by the following general formula (1), where a, b, and c each represent a mole fraction, provided that a+b+c=1, and b and c satisfy the relationship expressed by 0.50<b+c?1.00 and 0.50?b/b+c)?0.95. R4 is preferably a branched alkyl group. R5 is preferably an alkyl group with 1 to 12 carbon atoms, a saturated hydrocarbon group with 1 to 12 carbon atoms that includes an alicyclic hydrocarbon group, or a saturated hydrocarbon group with 1 to 12 carbon atoms that has a hydroxyl group.
    Type: Application
    Filed: December 27, 2022
    Publication date: March 20, 2025
    Applicant: Kao Corporation
    Inventors: Taiki FUKUDA, Hideki GOTO, Akito ITOI, Kazuo OKI
  • Publication number: 20250084050
    Abstract: A perfuming agent including a compound represented by Formula (I): where R1 is a tert-butyl group, and R2 is an ethyl group. A fragrance composition, including a compound represented by Formula (II), and a compound represented by Formula (I): where R1 and R3 are each independently an alkyl group having 1 or more and 5 or less of carbon atoms, and R2 and R4 are each independently a hydrogen atom or an alkyl group having 1 or more and 4 or less of carbon atoms.
    Type: Application
    Filed: May 13, 2022
    Publication date: March 13, 2025
    Applicant: Kao Corporation
    Inventors: Akari SAITO, Hironori MORI, Jun DEGUCHI, Tsubasa ARAI
  • Patent number: 12245926
    Abstract: Disclosed is an absorbent article including a projecting-and-depressed sheet (10) as a constituent member, the absorbent article having a longitudinal direction and a width direction orthogonal to the longitudinal direction. The projecting-and-depressed sheet (10) has a plurality of depressions (3) and projections (4) on a skin-facing surface to be brought into contact with the wearer's skin. In a given direction, a movable range of an apex (40a) of the projection (4) of the projecting-and-depressed sheet (10) is 30% or greater to the length (L2) of a bottom portion of the projection (4). On the skin-facing surface of the projecting-and-depressed sheet (10), the mean friction coefficient MIU in the longitudinal direction (X) is 0.3 or less, and a difference in friction coefficient between a forward path and a return path when moved back and forth along the longitudinal direction (X) is less than 0.1. The projecting-and-depressed sheet (10) has a work of compression of 2.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: March 11, 2025
    Assignee: KAO CORPORATION
    Inventors: Mina Tomita, Yuko Fukuda
  • Patent number: 12246900
    Abstract: A container includes a container main body that is composed of a main-body forming sheet member and surrounds a containing portion, wherein the container main body includes a first surface portion, a second surface portion that is arranged so as to face the first surface portion with the containing portion being arranged therebetween, and a gusset portion which connects the first surface portion and the second surface portion to each other. The gusset portion is provided with a discharge port that discharges a contents from the containing portion. The main-body forming sheet member includes a main-body sealing portion in which a plurality of film layers are attached to each other, a non-attached region in which the plurality of film layers are partially non-attached to each other, and a filling portion in which a filler can be enclosed between layers of the plurality of film layers in the non-attached region.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: March 11, 2025
    Assignee: Kao Corporation
    Inventor: Shinji Watanabe
  • Publication number: 20250064693
    Abstract: An emulsion composition containing the following components (A), (B), (C), (D), and (E): (A) 0.1 to 20 mass % of an oil component having a melting point of from 50 to 150° C., (B) 1 to 30 mass % of octamethyltrisiloxane, (C) 1 to 20 mass % of an ?-olefin oligomer, (D) a nonionic surfactant, and (E) water.
    Type: Application
    Filed: November 22, 2022
    Publication date: February 27, 2025
    Applicant: KAO CORPORATION
    Inventors: Shunsuke TAKAGI, Hidetoshi TAIMA
  • Publication number: 20250066693
    Abstract: The present invention is a composition containing (A) a silica capsule enclosing a functional agent, (B) a compound selected from a silicic acid and a silicate, and water, wherein component (B) is contained in the composition separately from component (A). The composition may also comprise (C) a surfactant such that a mass ratio of a content of the component (C) to a content of the component (A) in terms of the enclosed functional agent, (C)/(A), is 5 or more and 500 or less.
    Type: Application
    Filed: November 28, 2022
    Publication date: February 27, 2025
    Applicant: Kao Corporation
    Inventors: Masahiro SUZUKI, Hiroki TAKUMI
  • Publication number: 20250064695
    Abstract: A hair cleansing composition containing the following components (a), (b), and (c): component (a) one or more compounds selected from the group consisting of a polyalkylene glycol ether and an alkylene glycol at a content of 0.1% by mass or more and 18% by mass or less, component (b) one or more selected from the group consisting of a carboxylic acid anionic surfactant, a sulfonic acid anionic surfactant, an ether sulfate anionic surfactant, and an amphoteric surfactant at a content of 5% by mass or more, and component (c) an organic acid or a salt thereof.
    Type: Application
    Filed: December 2, 2022
    Publication date: February 27, 2025
    Applicant: KAO CORPORATION
    Inventors: Megumi IMAI, Mikako EZURE
  • Patent number: 12233428
    Abstract: A dispenser, which has a pump chamber formed by a body including a depression, and a lid body covering an opening of the body, where a liquid in the pump chamber is discharged from a nozzle portion by performing a discharge operation that presses the lid body to an inside of the pump chamber to deform the lid body, and a liquid is caused to flow into the pump chamber by releasing the discharge operation. The dispenser includes a pressing support portion disposed to face away from a top surface of the lid body, and a discharge operation is performed by pinching a top portion of the lid body and the pressing support portion with fingers from lateral sides of the body.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: February 25, 2025
    Assignee: Kao Corporation
    Inventor: Takashi Yamada
  • Patent number: 12233141
    Abstract: A bleaching and coloring composition for keratin fibers, including one or more alkalizing agents, one or more bleaching compounds, HC Blue 18 and/or a salt thereof, and tetrabromophenol blue and/or a salt thereof. A method for bleaching and coloring of keratin fibers, including mixing the bleaching and coloring composition with a second aqueous composition including hydrogen peroxide as one or more oxidizing agents and having a pH in the range of 1 to 6 to yield a ready-to-use composition having a pH in the range of 7 to 12, applying the ready-to-use composition onto the keratin fibers and leaving it for a time period of 1 to 60 min, and optionally heating the keratin fibers to a temperature in the range of 30° C. to 60° C., and rinsing-off the keratin fibers and optionally drying the keratin fibers.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: February 25, 2025
    Assignee: KAO CORPORATION
    Inventors: Anja Aechtner, Jonathan Wood, Marine Delbe
  • Publication number: 20250057753
    Abstract: The present invention relates to surface-coated inorganic particles in which a portion or all of the surface of inorganic particles (A) is coated with a surface treatment agent (B), wherein the inorganic particles (A) comprise silica particles or silicate mineral particles, the surface treatment agent (B) comprises at least one selected from the group consisting of a modified silicone (b1) liquid at 25° C., and a water-soluble cationic polymer (b2), and the modified silicone (b1) comprises at least one selected from the group consisting of a polyether-modified silicone, a polyglycerin-modified silicone, a branched polyglycerol-modified silicone and an alkyl glyceryl ether-modified silicone.
    Type: Application
    Filed: December 20, 2022
    Publication date: February 20, 2025
    Applicant: KAO CORPORATION
    Inventors: Moeko ASANO, Hikaru TEZUKA, Masanori TAKAI
  • Publication number: 20250059465
    Abstract: Provided are a cleaning agent composition for hard articles, a method for cleaning a hard article and a method for increasing foamability of a cleaning agent composition for hard articles, excellent in cleaning durability when cleaning hard articles with foam made by foaming the composition. A cleaning agent composition for hard articles containing, (a) a nonionic surfactant containing a polyoxyalkylene alkyl or alkenyl amine in which the alkyl group or alkenyl group has 8 or more and 18 or less carbons and the oxyalkylene group has an average number of added moles of 1 or more and 8 or less, (b) a quaternary ammonium salt-type surfactant, and water, wherein a content of (c) an anionic surfactant and an amphoteric surfactant is 0 mass % or more and 20 mass % or less in a total surfactant content.
    Type: Application
    Filed: December 9, 2022
    Publication date: February 20, 2025
    Applicant: KAO CORPORATION
    Inventor: Dongyao LI
  • Publication number: 20250057905
    Abstract: A method for producing an extract composition wherein a concentration ratio (a saccharide/an aglycone) between the saccharide (e.g., glucose) and the aglycone having a polyphenol structure (e.g., apigenin) in an extract of a harvested herbaceous plant containing a polyphenol can be reduced, and a concentration ratio (a glycoside/an aglycone) between the glycoside having a polyphenol structure (e.g., chamaemeloside) and its aglycone (e.g., apigenin) can be reduced without treatment using yeast, treatment using an organic acid under high temperature and high pressure, enzyme inactivation treatment at a high temperature that is required when enzyme is added, or the like. In one aspect, the method including the steps of: (1) bringing a harvested herbaceous plant into contact with water or an aqueous surfactant solution at a temperature of 10° C. or more and 95° C. or less for 1 hour or more, and (2) obtaining an extract from the herbaceous plant after step (1).
    Type: Application
    Filed: December 27, 2022
    Publication date: February 20, 2025
    Applicant: Kao Corporation
    Inventors: Yuka YAMAZAWA, Haruhiko DOI, Daisuke KAYAKUBO
  • 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