Patents by Inventor Toshihiko Mukai

Toshihiko Mukai 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).

  • Method of anticorrosive treatment for soft water boilers
    Patent number: 4885136
    Abstract: A method of anticorrosive treatment for soft water boilers to prevent iron family metals from corrosion, especially from pitting corrosion, which is characterized by adding, to a boiler water system using soft water at a high temperature, (a) a specific amount of a phosphorus compound, (b) a specific amount of a carboxylic acid compound and (c) a specific amount of a metal compound.
    Type: Grant
    Filed: October 15, 1987
    Date of Patent: December 5, 1989
    Assignee: Katayama Chemical Works Co., Ltd.
    Inventors: Sakae Katayama, Hirohiko Katayama, Toshihiko Mukai, Yoshinari Kawasaki
  • Certain salicylanilides
    Patent number: 4008274
    Abstract: Salicylanilides of the formula: ##STR1## wherein each of R.sup.1 and R.sup.2 is hydrogen or methyl; R.sup.3 is hydrogen or C.sub.1-5 alkyl; R.sup.4 is hydrogen, nitro or methyl; and R.sup.5 is nitro, methyl, methoxy, ethoxy, methylthio or ethylthio, having utility as antifouling agents but having very low mammalian toxicity.
    Type: Grant
    Filed: June 25, 1974
    Date of Patent: February 15, 1977
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Kenichi Sawatari, Toshihiko Mukai, Satoshi Oda, Hiroyuki Akashi, Masanori Kohara