Patents by Inventor Dietrich Wulf

Dietrich Wulf 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).

  • Method for producing nitrobenzene by adiabatic nitriding
    Patent number: 8729309
    Abstract: The invention relates to a process for the continuous production of nitrobenzene by nitration of benzene with a mixture of nitric acid and sulfuric acid under adiabatic conditions, in which unreacted benzene is separated from the crude product obtained after phase separation before washing thereof, using the adiabatic heat of reaction.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: May 20, 2014
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Thomas Knauf, Alexandre Racoes, Andreas Karl Rausch, Dietrich Wulf
  • METHOD FOR PRODUCING NITROBENZENE BY ADIABATIC NITRIDING
    Publication number: 20130197268
    Abstract: The invention relates to a process for the continuous production of nitrobenzene by nitration of benzene with a mixture of nitric acid and sulfuric acid under adiabatic conditions, in which unreacted benzene is separated from the crude product obtained after phase separation before washing thereof, using the adiabatic heat of reaction.
    Type: Application
    Filed: July 26, 2011
    Publication date: August 1, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Thomas Knauf, Alexandre Racoes, Andreas Karl Rausch, Dietrich Wulf