Patents by Inventor Kazuo Ichiriki

Kazuo Ichiriki 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).

  • Process for producing azoimino ethers by oxidation of hydiazonitriles
    Patent number: 4950742
    Abstract: An azoimino ether, which is an intermediate for preparing polymerization initiators, is prepared by reacting a hydrazonitrile having a hydrazo group and at least one cyano group in the molecule with chlorine in the presence of an alcohol, in a non-aqueous organic solvent.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: August 21, 1990
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Kazuo Ichiriki, Motoaki Tanaka, Toru Okugawa, Hiroyoshi Nawa