Patents by Inventor Kanke Fuminori

Kanke Fuminori 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).

  • Bleaching method of natural fibers without dewaxing
    Patent number: 6830592
    Abstract: The invention provides a bleaching method of natural fibers. By the invention, it is possible to bleach raw cotton fibers without dewaxing. The method of the invention is to bring the natural fibers on each of which wax adhere, into contact with water solution containing hydroxy percarboxilic acid for bleaching. The natural fibers may be raw cotton fibers. The hydroxy percarboxilic acid may be perlactic acid. The water solution may contain hydroxy carboxilic acid, hydrogen peroxide and alkali agent with hydroxy percarboxilic acid.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: December 14, 2004
    Assignee: Marusan Industrial Co., Ltd.
    Inventor: Kanke Fuminori
  • Bleaching method of natural fibers without dewaxing
    Publication number: 20030226209
    Abstract: The invention provides a bleaching method of natural fibers. By the invention, it is possible to bleach raw cotton fibers without dewaxing. The method of the invention is to bring the natural fibers on each of which wax adhere, into contact with water solution containing hydroxy percarboxilic acid for bleaching. The natural fibers may be raw cotton fibers. The hydroxy percarboxilic acid may be perlactic acid. The water solution may contain hydroxy carboxilic acid, hydrogen peroxide and alkali agent with hydroxy percarboxilic acid.
    Type: Application
    Filed: February 21, 2003
    Publication date: December 11, 2003
    Inventor: Kanke Fuminori