Patents by Inventor Bernd Radeuchel

Bernd Radeuchel 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 the production of DTPA-tetraesters of terminal carboxylic acids
    Patent number: 5676926
    Abstract: The invention relates to a process for the production of diethylenetriaminepentacarboxylic acid tetraesters of general formula I ##STR1## in which R.sup.1 and Z have different meanings.
    Type: Grant
    Filed: April 18, 1996
    Date of Patent: October 14, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Ulrich Niedballa, Bernd Radeuchel
  • Process for the production of DTPA-tetraesters of terminal carboxylic acids
    Patent number: 5514810
    Abstract: The invention relates to a process for the production of diethylenetriaminepentacarboxylic acid tetraesters of general formula I ##STR1## in which R.sup.1 and Z have different meanings.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: May 7, 1996
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Ulrich Niedballa, Bernd Radeuchel