Patents by Inventor F. Theodore Koehler

F. Theodore Koehler 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).

  • Shampoo compositions
    Patent number: 4273760
    Abstract: Hair conditioning shampoo compositions are described containing cationic polymers, anionic surfactants and optional nonionic surfactants. The shampoo compositions deposit the cationic polymer on the hair while the hair is washed using the shampoo, rendering the hair to be more manageable.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: June 16, 1981
    Assignee: National Starch and Chemical Corporation
    Inventors: F. Theodore Koehler, Albert L. Micchelli, Frank A. Nowak, Jr.