Patents by Inventor Petra JOHN

Petra JOHN 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).

  • Concentrate quality
    Patent number: 10807100
    Abstract: The present invention relates to a process for the separation of at least one valuable matter containing material from a dispersion comprising said at least one valuable matter containing material and at least one second material. The process according to the present invention comprises at least the steps (A) to (E) and the optional steps (F) to (H) which are described herein.
    Type: Grant
    Filed: November 26, 2015
    Date of Patent: October 20, 2020
    Assignee: BASF SE
    Inventors: Igor Shishkov, Wolfgang Rohde, Alexej Michailovski, Andreas Luz, Reinhold Rieger, Petra John, Imme Witte
  • IMPROVEMENT OF CONCENTRATE QUALITY
    Publication number: 20170274389
    Abstract: The present invention relates to a process for the separation of at least one valuable matter containing material from a dispersion comprising said at least one valuable matter containing material and at least one second material. The process according to the present invention comprises at least the steps (A) to (E) and the optional steps (F) to (H) which are described herein.
    Type: Application
    Filed: November 26, 2015
    Publication date: September 28, 2017
    Inventors: Igor SHISHKOV, Wolfgang ROHDE, Alexej MICHAILOVSKI, Andreas LUZ, Reinhold RIEGER, Petra JOHN, Imme DOMKE