Patents by Inventor Rudolf Weingarten

Rudolf Weingarten 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).

  • Process for the production of camouflage dyeings and prints
    Patent number: 4095940
    Abstract: Process for the production of camouflage dyeings and prints on synthetic or regenerated fibers or foils or on blends containing synthetic or regenerated fibers, the dyed materials having infrared reflection values of from 20 to 50 percent within the infrared range between 700 and 1100 nm, by cross-dyeing or cover-printing fibers or foils made of the said materials and containing small amounts of carbon black as a mass coloration, with the dyestuff classes suiting the substrate concerned in shades that are suitable for camouflage colors in the visible range of the spectrum.
    Type: Grant
    Filed: January 5, 1973
    Date of Patent: June 20, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Rudolf Weingarten