Patents by Inventor Kenzi Kageno

Kenzi Kageno 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).

  • Method for improving color fastness: mono- and di-allylamine copolymer for reactive dyes on cellulose
    Patent number: 4583989
    Abstract: The present invention relates to a method for improving the color fastness of a dyed product which comprises treating a dyed product dyed with a reactive dye with the aqueous solution of a copolymer of monoallylamine and a specified diallylamine derivative.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: April 22, 1986
    Assignee: Nitto Boseki Co., Ltd.
    Inventors: Toshio Ueda, Kenzi Kageno, Susumu Harada