Patents by Inventor Stephan Seck

Stephan Seck 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).

  • SYNTHESIS OF HYDROQUINONE DERIVATIVES
    Publication number: 20090216002
    Abstract: A method for synthesising a compound having the general formula (I) wherein R represents substituents selected independently from the group of H, F, Cl, Br, NO2, alkyl, aryl, aralkyl, alkoxy, aryloxy, aralkoxy and disubstituted amine R? is independently selected from the group of H, F, Cl, Br, OH, NO2, alkyl, aryl, aralkyl, alkoxy, aryloxy, aralkoxy and disubstituted amine, n is selected from 1, 2 or 3.
    Type: Application
    Filed: June 14, 2006
    Publication date: August 27, 2009
    Applicant: Girindus AG
    Inventors: Stefan Kleinebekel, Nasir Hayat, Stephan Seck, Alfred Olbrich