Patents by Inventor Makato Nemoto

Makato Nemoto 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).

  • Tar urethane composition
    Patent number: 4000099
    Abstract: A urethane composition comprising as a base compound a polyol and/or an isocyanate-reactive tar, and as a curing agent a liquid product of a toluene diisocyanate tar occurring as a by-product in the preparation of toluene diisocyanate obtained by dissolving or dispersing the toluene diisocyanate tar in an aromatic solvent having a boiling point at atmospheric pressure of at least 200.degree. C and a method for producing the liquid toluene diisocyanate tar product.
    Type: Grant
    Filed: May 15, 1974
    Date of Patent: December 28, 1976
    Assignees: Sumitomo Chemical Company, Limited, Nittetsu Chemical Industrial Co., Ltd.
    Inventors: Makato Nemoto, Yoshiharu Tokugawa