Patents Assigned to Nalco-Hakuto Chemical Company
  • Composition for the control of corrosion and foaming in the acrylonitrile plants
    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