Patents by Inventor Hans F. Barth

Hans F. Barth 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).

  • Softening composition
    Patent number: 4187184
    Abstract: The invention provides a fabric-softening composition comprising 1-80% by weight of a quaternary ammonium compound, such as distearyl dimethyl ammonium chloride, and 0.5-25% by weight of a fatty acid choline ester salt. The composition provides for an improved anti-static activity.
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: February 5, 1980
    Assignee: Lever Brothers Company
    Inventors: Gert Becker, Ulrich Schilp, Hans F. Barth