Patents by Inventor Ralf Wazulek

Ralf Wazulek 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 substituted 2-nitrobiphenyls
    Patent number: 8853455
    Abstract: The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Alexander Korte, Jan Klaas Lohmann, Thomas Grote, Klaus Ebel, Thomas Zierke, Horst Mayer, Ralf Wazulek
  • Process for Preparing Substituted 2-Nitrobiphenyls
    Publication number: 20110319665
    Abstract: The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.
    Type: Application
    Filed: March 8, 2010
    Publication date: December 29, 2011
    Applicant: BASF SE
    Inventors: Alexander Korte, Jan Klaas Lohmann, Thomas Grote, Klaus Ebel, Thomas Zierke, Horst Mayer, Ralf Wazulek