Patents by Inventor Carleen C. Whittern

Carleen C. Whittern 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).

  • Emulsifiers useful in the manufacture of high solids emulsion polymers
    Patent number: 4687594
    Abstract: A surfactant for use in the preparation of high solids emulsion polymers comprises nonyl phenol tetra ethoxylate, the sulfate salt of the tetra ethoxylate and a sulfate salt.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: August 18, 1987
    Assignee: Stepan Company
    Inventors: Dennis E. Lietz, Carleen C. Whittern