Patents by Inventor Masato Kuroi

Masato Kuroi 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).

  • Leather modifier, process for modifying leather and modified tanned leather
    Patent number: 5685880
    Abstract: A leather modifier containing a compound which is obtainable through a reaction of an ethylene oxide derivative having a fluorine-containing group with a phosphorus compound is disclosed. A leather treated with the modifier has much improved properties.
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: November 11, 1997
    Assignee: Daikin Industries, Ltd.
    Inventors: Tetsuya Masutani, Masato Kuroi, Yasuo Itami, Masahiko Maeda, Norio Yanagisawa, Yoshihiko Misugi, Maki Yasuhara
  • Leather treatment and process for treating leather
    Patent number: 5256318
    Abstract: A tanned leather treated with a fatliquoring agent in combination with a fluorine-containing oil, which has good touch, water resistance, water- and oil-repellency, washing resistance, and which is not discolored or faded by dry cleaning.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: October 26, 1993
    Assignee: Daikin Industries Ltd.
    Inventors: Tetsuya Masutani, Masahiko Maeda, Norio Yanagisawa, Masato Kuroi