Patents by Inventor Torsten Taschner

Torsten Taschner 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 1,3-disubstituted 2-nitroguanidines
    Patent number: 7026307
    Abstract: The present invention relates to a process for the preparation of compounds of the formula (I) by reacting compounds of the formula (II) in which R1, R2, R4 and Het are as defined in the description, with anhydrous hydrogen halide in the presence of a nitrile.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: April 11, 2006
    Assignee: Bayer CropScience AG
    Inventors: Jörn Stölting, Kai van Laak, Wolfram Sirges, Armin Heyn, Torsten Taschner
  • Method for purifying 2-chloro-5-chloromethylthiazole
    Patent number: 6955744
    Abstract: The present invention relates to a process for the preparation of pure 2-chloro-5 -chloromethylthiazole by distillation in the presence of oligomeric polyethers.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: October 18, 2005
    Assignee: Bayer CropScience AG
    Inventors: Matthias Decker, Dimitry Steinbach, Torsten Taschner
  • Method for producing 1,3-disubstituted 2-nitroguanidines
    Publication number: 20040167177
    Abstract: The present invention relates to a process for the preparation of compounds of the formula (I) 1
    Type: Application
    Filed: March 22, 2004
    Publication date: August 26, 2004
    Inventors: Jorn Stolting, Kai Van Laak, Wolfram Sirges, Armin Heyn, Torsten Taschner
  • Method for purifying 2-chloro-5-chloromethyl thiazole
    Publication number: 20040011639
    Abstract: The present invention relates to a process for the preparation of pure 2-chloro-5-chloromethylthiazole (CCMT) by distillation with addition of oligomeric polyethers.
    Type: Application
    Filed: February 3, 2003
    Publication date: January 22, 2004
    Inventors: Matthias Decker, Dimitry Steinbach, Torsten Taschner