Patents by Inventor Frederick J. Keene

Frederick J. Keene 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).

  • Barrier coatings
    Patent number: 4097297
    Abstract: An oil and water repellent barrier coating composition comprising a non-aqueous solution of:(A) a film forming polymer; and(B) a fluorochemical surface tension modifier is provided. Optionally the barrier coating composition can also contain a plasticizer. Such composition is useful in imparting oil, grease, and water repellency to cellulosic substrates such as paper, paperboard, cellophane, and wood and provides improved coatings for packaging and non-packaging materials.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: June 27, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Frederick J. Keene