Valves, Gas And Water Feed Patents (Class 48/58)
  • Heat exchanger anti-foulant
    Patent number: 4200518
    Abstract: Disclosed is a process for reducing the fouling in a heat exchanger in which a hydrocarbon stream is heated or cooled as it passes through the heat exchanger. From 1 to 500 parts per million of a polyalkylene amine is added to the stream to reduce fouling.
    Type: Grant
    Filed: March 22, 1979
    Date of Patent: April 29, 1980
    Assignee: Chevron Research Company
    Inventor: Paul K. Mulvany