Patents by Inventor William D. Spoede

William D. Spoede 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 and composition to control microbial growth in metalworking fluids
    Patent number: 4749503
    Abstract: A method for inhibiting microbial growth in aqueous fluid media, particularly media containing fatty oil or petroleum base components and modified metalworking fluids is described. The antimicrobial method involves adding an antimicrobially effective amount of n-hexyl ethanolamine to the aqueous fluid medium.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: June 7, 1988
    Assignee: Chemical Exchange Industries, Inc.
    Inventors: Edward O. Bennett, William D. Spoede