Patents by Inventor Horst Brinkschulte

Horst Brinkschulte 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 preparing aniline
    Publication number: 20070238901
    Abstract: Crude aniline is produced by hydrogenating nitrobenzene in the presence of a catalyst. The crude aniline is then extracted with aqueous alkali metal hydroxide solution under conditions such that the aqueous phase is the lower phase during separation of the aqueous and organic phases.
    Type: Application
    Filed: February 15, 2007
    Publication date: October 11, 2007
    Inventors: Markus Dugal, Franz-Ulrich Von Gehlen, Stefan Wershofen, Andre Lago, Peter Lehner, Werner Backer, Benie Marotz, Horst Brinkschulte