Patents by Inventor Christine M. Handt

Christine M. Handt 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).

  • Patent number: 5180580
    Abstract: A hairstyling preparation containing at least one anionic or nonionic organic polymeric film forming agent and a solvent. The improvement resides in incorporating into the hairstyling preparation as an ingredient thereof an amidofunctional polysiloxane having an average of fifty to one thousand siloxane units per molecule with an average of one to fifty of the siloxane units per molecule being amide-containing siloxane units.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: January 19, 1993
    Assignee: Dow Corning Corporation
    Inventors: Daniel J. Halloran, Christine M. Handt