Patents by Inventor Guido Wuellner

Guido Wuellner 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).

  • Methods for the production of 2-halo-4-nitroimidazole and intermediates thereof
    Patent number: 8558005
    Abstract: The present invention relates to a method for the production of 2-halo-4-nitroimidazole and intermediates thereof. Further, the present invention relates to a production process of 1,4-dinitroimidazole comprising subjecting 4-nitroimidazole to nitration reaction. Furthermore, the present invention relates to a production process of 4-nitroimidazole comprising subjecting imidazole to nitration reaction.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: October 15, 2013
    Assignees: Dynamit Nobel GmbH Explosivstoff-und Systemtechnik, Asahi Kasei Chemicals Corporation, Otsuka Pharmaceutical Co., Ltd.
    Inventors: Guido Wuellner, Franz-Willi Herkenrath, Alexander Juelich, Yoshinori Yamada, Shuji Kawabe
  • METHODS FOR THE PRODUCTION OF 2-HALO-4-NITROIMIDAZOLE AND INTERMEDIATES THEREOF
    Publication number: 20110178308
    Abstract: The present invention relates to a method for the production of 2-halo-4-nitroimidazole and intermediates thereof. Further, the present invention relates to a production process of 1,4-dinitroimidazole comprising subjecting 4-nitroimidazole to nitration reaction. Furthermore, the present invention relates to a production process of 4-nitroimidazole comprising subjecting imidazole to nitration reaction.
    Type: Application
    Filed: August 21, 2009
    Publication date: July 21, 2011
    Inventors: Guido Wuellner, Franz-Willi Herkenrath, Alexander Juelich, Yoshinori Yamada, Shuji Kawabe