Patents by Inventor Hiroo Namiki

Hiroo Namiki 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).

  • Neutralizer for permanent wave
    Patent number: 4426376
    Abstract: A neutralizer for permanent waving of hair is disclosed. The neutralizer contains (A) 0.5-16% (w/v) of an oxidizing agent capable of reforming ruptured disulfide bonds in reduced hair and (B) 0.1-5% (w/v) of a cationic dextran derivative or its salt as indispensible components, and has a pH value range of from about 2 to about 10.5.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: January 17, 1984
    Assignee: Helene Curtis Industries, Inc.
    Inventors: Sachiko Shirakura, Hiroo Namiki