Patents by Inventor Katsuko Hiraguri

Katsuko Hiraguri 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).

  • Sterilizing composition and method for sterilizing using the same
    Patent number: 6790380
    Abstract: A sterilizing composition for a food-packing material which comprises the following components (1) and (2): (1) an aqueous solution containing peracetic acid, hydrogen peroxide and acetic acid, and (2) a peracetic acid sterilizing power-improving agent comprising one or two or more compounds selected from the group consisting of esters obtained from a C2-C8 aliphatic acid and a C2-C8 aliphatic alcohol, C2-C8 aliphatic alcohols and aliphatic alcohols having a benzene ring.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: September 14, 2004
    Assignee: Nippon Peroxide Co., Ltd.
    Inventors: Jun Sato, Katsuko Hiraguri
  • Sterilizing composition and method for sterilizing using the same
    Publication number: 20030234382
    Abstract: A sterilizing composition for a food-packing material which comprises the following components (1) and (2):
    Type: Application
    Filed: December 24, 2002
    Publication date: December 25, 2003
    Applicant: NIPPON PEROXIDE CO., LTD.
    Inventors: Jun Sato, Katsuko Hiraguri
  • Fragrant peracetic acid-containing oxidizing composition
    Patent number: 5451346
    Abstract: An oxidizing composition comprises an aqueous solution of peracetic acid, hydrogen peroxide and acetic acid and a fragrant component uniformly solubilized in the peracetic acid-containing aqueous solution by aid of a surfactant component, the fragrant component comprising at least one fragrance material which is chemically stable in the presence of peroxide compounds and effectively masks the irritating odor of peracetic acid and acetic acid.
    Type: Grant
    Filed: November 1, 1993
    Date of Patent: September 19, 1995
    Assignees: Inabata Koryo Co., Ltd., Nippon Peroxide Co., Ltd.
    Inventors: Tadashi Amou, Tohru Nakasugi, Atsushi Takahashi, Osamu Machida, Toshio Yasunaga, Katsuko Hiraguri