Patents by Inventor Rudolf Senninger

Rudolf Senninger 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).

  • Fluid formulations of oxidation dyes for mineral oil products, fats and waxes
    Patent number: 4378969
    Abstract: Fluid formulations of oxidation dyes, which are obtained by oxidizing a compound of the general formula I ##STR1## where R.sup.1 is unsubstituted or hydroxy-, C.sub.1 -C.sub.8 -alkoxy- or C.sub.1 -C.sub.8 -alkanoyloxy-substituted C.sub.2 -C.sub.13 -alkyl,R.sup.2 is hydrogen or unsubstituted or hydroxy- or C.sub.1 -C.sub.8 -alkoxy-substituted C.sub.1 -C.sub.13 -alkyl andX is hydroxyl, amino or ##STR2## in an organic solvent, are particularly suitable for dyeing mineral oil products, fats and waxes.
    Type: Grant
    Filed: May 6, 1981
    Date of Patent: April 5, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Hansen, Hans J. Kolbinger, Rudolf Senninger, Georg Zeidler