Patents by Inventor Yoshiharu Oguro

Yoshiharu Oguro 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).

  • Patent number: 4105582
    Abstract: A composition and method for the control of corrosion and foam in acrylonitrile plants is disclosed. The composition generally consists of a polypropylene glycol, a glyoxalidine salt of a carboxylic acid and an ethylene glycol monoalkylether. The composition when fed into absorbers, strippers, and quench towers of acrylonitrile plants provides excellent corrosion inhibiting and anti-foam properties.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: August 8, 1978
    Assignee: Nalco-Hakuto Chemical Company
    Inventor: Yoshiharu Oguro