Patents by Inventor Hans Boe

Hans Boe 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: 4082878
    Abstract: An absorbent textile sheet material suitable for use as a cleaning cloth, skid-resistant underlayment or the like, comprising a consolidated nonwoven fabric coated on up to about 70% of both surfaces with binding agent present as a three-dimensionally superelevated printed pattern providing a squeegee-like action when wiped over a wet surface, is produced by impregnating a fibrous web with a binding agent and drying to form a coherent sheet material, applying to each surface of said sheet material a foamed dispersion comprising rubber, the foam being printed onto each surface to cover from about 30 to 70% of the surface, and heating to coagulate the foam and to leave on each surface a superelevated printed pattern of binder exerting a squeegee-like action in use. Advantageously the fibrous web weighs about 60 to 300 g/m.sup.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: April 4, 1978
    Assignee: Firma Carl Freudenberg
    Inventors: Hans Boe, Ralf Hoehn, Bohuslav Tecl, Wilhelm Kirsch