Patents by Inventor Alan H. Fisher

Alan H. Fisher 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).

  • Paint spray booth chemical treatment
    Patent number: 4002490
    Abstract: Polypropylene glycols having an average molecular weight of from 100 to 1,000 have been found useful in increasing the operational efficiency of paint and lacquer detackifying compositions consisting of a cationic polymer and the water-soluble salt of an amphoteric metal used in paint and lacquer spray booth applications.
    Type: Grant
    Filed: February 20, 1975
    Date of Patent: January 11, 1977
    Assignee: Nalco Chemical Company
    Inventors: Raymond J. Michalski, Alan H. Fisher