Patents by Inventor Minako Ishikawa

Minako Ishikawa 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).

  • Fluorine-containing compound, and water and oil repellent composition
    Patent number: 6860926
    Abstract: The following fluorine-containing compound is presented which is capable of providing dry soil resistance when incorporated to a water and oil repellent. Rf1R2OCOCH2CHR1COOR3Rf2 (wherein each of Rf1 and Rf2 which are independent of each other, is a C3-22 polyfluoroalkyl group, R1 is a hydrogen atom or a C1-10 alkyl group, and each of R2 and R3 which are independent of each other, is a C1-4 alkylene group, etc.).
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: March 1, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Minako Ishikawa, Takashige Maekawa, Ryuji Seki, Shoji Furuta, Kazuya Oharu
  • Flourine-containing compound, and water and oil repellent composition
    Publication number: 20020060304
    Abstract: The following fluorine-containing compound is presented which is capable of providing dry soil resistance when incorporated to a water and oil repellent.
    Type: Application
    Filed: October 15, 2001
    Publication date: May 23, 2002
    Applicant: Asahi Glass Company, Limited
    Inventors: Minako Ishikawa, Takashige Maekawa, Ryuji Seki, Shoji Furuta, Kazuya Oharu