Patents by Inventor Sumio Nakane

Sumio Nakane 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).

  • Biocidal 4,5-dichloro-1,2-dithiol-3-one composition
    Patent number: 4987148
    Abstract: A biocidal composition which comprises 4,5-dichloro-1,2-dithiol-3-one and N-methyl-2-pyrrolidone in a proportion by weight of 70:30 to 10:90 is described.
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: January 22, 1991
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Yasuhiro Hidaka, Masato Magami, Takeshi Inoue, Sumio Nakane