Patents by Inventor Birgid Fadler nee Jack

Birgid Fadler nee Jack 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 obtaining multicolor effects
    Patent number: 4023925
    Abstract: Process for obtaining multicolor effects on textiles made of polyester fibers and blends thereof with cellulosic fibers, by locally applying an aqueous solution of alkaline agents, either thickened or not and free from oxidizing or reducing agents, onto a dried or partially dehydrated unfixed pad-dyeing produced on said fiber material using a disperse dyestuff of the general formulae hereinafter described, allowing the solution to act on the dyeing, thermosoling the material to fix the dyestuff and finishing it in the usual manner.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: May 17, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Birgid Fadler nee Jack, Hans-Peter Maier