Patents by Inventor Achim Bertsch

Achim Bertsch 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).

  • POLYMER MOLDING COMPOUNDS CONTAINING PARTIALLY NEUTRALIZED AGENTS
    Publication number: 20100094230
    Abstract: The invention relates to polymer molding compositions rendered antibacterial, antiprotozoic, or antimycotic by using partially neutralized active ingredients, to processes for their production, and to their use in moldings, in particular in medical items.
    Type: Application
    Filed: January 30, 2008
    Publication date: April 15, 2010
    Applicant: Bayer Innovation GmbH
    Inventors: Ralf Dujardin, Achim Bertsch, Heinz Pudleiner
  • 3-thiocarbamoylpyrazole derivatives as pesticides
    Patent number: 6265430
    Abstract: The invention relates to new 3-thiocarbarnoylpyrazole derivatives of the formula (I) in which Ar represents in each case optionally substituted phenyl or pyridyl, R1 represents H2N—CS— and R2 and R3 are as defined in the description, to a plurality of processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: July 24, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Alig, Achim Bertsch, Dietmar Bielefeldt, Norbert Lui, Albrecht Marhold, Christoph Erdelen, Wolfram Andersch, Andreas Turberg, Norbert Mencke
  • 3-THIOCARBAMOYLPYRAZOLE DERIVATIVES AS PESTICIDES
    Publication number: 20010007876
    Abstract: The invention relates to new 3-thiocarbamoylpyrazole derivatives of the formula (I) 1
    Type: Application
    Filed: May 6, 1999
    Publication date: July 12, 2001
    Inventors: BERND ALIG, ACHIM BERTSCH, DIETMAR BIELEFELDT, NORBERT LUI, ALBRECHT MARHOLD, CHRISTOPH ERDELEN, WOLFRAM ANDERSCH, ANDREAS TURBERG, NORBERT MENCKE
  • Herbicidal fluorothiadiazolyl oxyacetamides
    Patent number: 5858922
    Abstract: The invention relates to novel fluorothiadiazolyloxyacetamides of the formula (I) ##STR1## in which R.sup.1 represents hydrogen or respectively optionally substituted alkyl, alkenyl, alkynyl or arylalkyl,R.sup.2 represents respectively optionally substituted alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl, cycloalkyl, cycloalkenyl, aryl, arylalkyl or arylalkyloxy, orR.sup.1 and R.sup.2 together with the nitrogen atom that they are attached to form an optionally substituted saturated or unsaturated nitrogen heterocycle which may contain further hetero atoms and to which a benzo grouping may be fused, andR.sup.3 represents fluorothiadiazolyl,to a process and to novel intermediates for their preparation and to their use as herbicides.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: January 12, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Achim Bertsch, Stefan Bohm, Hans-Joachim Diehr, Ernst Kysela, Markus Dollinger, Hans-Joachim Santel
  • Process for the preparation of alkyl 2-fluoro-isobutyrates
    Patent number: 5723654
    Abstract: Alkyl 2-fluoro-isobutyrates are prepared by reacting the corresponding sulphonic esters with potassium fluoride in an acid amide as solvent and in the presence of a base.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: March 3, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventor: Achim Bertsch
  • Substituted 1-arylpyrazoles
    Patent number: 5580843
    Abstract: The invention relates to new substituted 1-arylpyrazoles of the general formula (I) ##STR1## to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: December 3, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: J org Stetter, Bernd Alig, Stefan B ohm, Achim Bertsch, Pieter Ooms, Christoph Erdelen, J urgen Hartwig, Ulrike Wachendorff-Neumann, Andreas Turberg, Norbert Mencke
  • Substituted 1-arylpyrazoles
    Patent number: RE37495
    Abstract: The invention relates to new substituted 1-arylpyrazoles of the general formula (I) to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: January 1, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jörg Stetter, Bernd Alig, Stefan Böhm, Achim Bertsch, Pieter Ooms, Christoph Erdelen, Jürgen Hartwig, Ulrike Wachendorff-Neumann, Andreas Turberg, Norbert Mencke