Patents by Inventor Keiko MURAKOSO

Keiko MURAKOSO 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: 11529294
    Abstract: An oil-in-water emulsion cosmetic containing (A) to (E) as essential components and having a pH of 6 or less: (A) an L-ascorbyl tetra fatty acid ester derivative represented by the following general formula (I) Formula 1 wherein R represents a branched alkyl fatty acid residue having 8 to 18 carbons; (B) a polar oil which is liquid at 25° C. and having an IOB value of 0.1 to 0.5; (C) a chelating agent; (D) an antioxidant; and (E) water.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: December 20, 2022
    Assignees: Nikko Chemicals Co., Ltd., Nippon Surfactant Industries Co., Ltd., Cosmos Technical Center Co., Ltd.
    Inventors: Keiko Murakoso, Sayaka Tanaka
  • Patent number: 11382842
    Abstract: It is an object of the present invention to suppress agglutination of ultrafine cellulose fibers, while using the ultrafine cellulose fibers as a thickener in a cosmetic product formulation, so as to provide a uniform cosmetic. The present invention provides a cosmetic comprising the following components (A) and (B): (A) ultrafine cellulose fibers having a fiber width of 1000 nm or less; and (B) a water-soluble polymer.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: July 12, 2022
    Assignees: OJI HOLDINGS CORPORATION, NIKKO CHEMICALS CO., LTD.
    Inventors: Ikue Homma, Takayuki Shimaoka, Keiko Murakoso, Akihito Uka
  • Publication number: 20200030201
    Abstract: An oil-in-water emulsion cosmetic containing (A) to (E) as essential components and having a pH of 6 or less: (A) an L-ascorbyl tetra fatty acid ester derivative represented by the following general formula (I) Formula 1 wherein R represents a branched alkyl fatty acid residue having 8 to 18 carbons; (B) a polar oil which is liquid at 25° C. and having an IOB value of 0.1 to 0.5; (C) a chelating agent; (D) an antioxidant; and (E) water.
    Type: Application
    Filed: April 4, 2017
    Publication date: January 30, 2020
    Inventors: Keiko MURAKOSO, Sayaka TANAKA
  • Publication number: 20180296446
    Abstract: It is an object of the present invention to suppress agglutination of ultrafine cellulose fibers, while using the ultrafine cellulose fibers as a thickener in a cosmetic product formulation, so as to provide a uniform cosmetic. The present invention provides a cosmetic comprising the following components (A) and (B): (A) ultrafine cellulose fibers having a fiber width of 1000 nm or less; and (B) a water-soluble polymer.
    Type: Application
    Filed: August 4, 2016
    Publication date: October 18, 2018
    Applicants: Oji Holdings Corporation, NIKKO CHEMICALS CO., LTD., COSMOS TECHNICAL CENTER CO., LTD.
    Inventors: Ikue HOMMA, Takayuki SHIMAOKA, Keiko MURAKOSO, Akihito UKA