Patents by Inventor Helmut H. Froehlich

Helmut H. Froehlich 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).

  • Cleaning composition
    Patent number: 4108800
    Abstract: Polyethylene glycol added to semi-dry powdered cleaning compositions to prevent adhering of fine particles of the cleaning powder to the fibers being cleaned.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: August 22, 1978
    Assignee: Milliken Research Corporation
    Inventor: Helmut H. Froehlich