GK

Gerd Kleefeld

BH Bayer Healthcare: 27 patents #331 of 8,007Top 5%
BG Bayer Animal Health Gmbh: 1 patents #48 of 143Top 35%
BG Bayer Intellectual Property Gmbh: 1 patents #640 of 1,266Top 55%
📍 Neuss, DE: #9 of 530 inventorsTop 2%
Overall (All Time): #131,814 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
9771389 Tylosin derivatives and method for preparation thereof Robrecht Froyman, Carolin Ludwig, Satoshi Omura, Toshiaki Sunazuka, Hirose Tomoyasu +2 more 2017-09-26
9593140 Antibacterial tylosin derivatives and methods for their preparation Robrecht Froyman, Julia Charlotte Dörner, Carolin Ludwig, Omura Satoshi, Sunazuka Toshiaki +3 more 2017-03-14
7122506 Cyclic imines as pesticides Andrew Plant, Thorsten Potter, Christoph Erdelen, Norbert Mencke, Andreas Turberg +1 more 2006-10-17
6770595 Cyclic imines as pesticides Andrew Plant, Thorsten Potter, Christoph Erdelen, Norbert Mencke, Andreas Turberg +1 more 2004-08-03
6399771 Cyclic imines as pesticides Andrew Plant, Thorsten Potter, Christoph Erdelen, Norbert Mencke, Andreas Turberg +1 more 2002-06-04
6335325 Acylated 4-aminopyridine derivatives as pesticides and fungicides Thomas Bretschneider, Markus Heil, Bernd Alig, Christoph Erdelen, Andreas Turberg +1 more 2002-01-01
6274613 Cyclic imines as pesticides Andrew Plant, Thorsten Potter, Christoph Erdelen, Norbert Mencke, Andreas Turberg +1 more 2001-08-14
6051589 Diphenyloxazoline derivatives Johannes Kanellakopulos, Udo Kraatz, Ulrike Wachendorff-Neumann, Christoph Erdelen, Andreas Turberg +1 more 2000-04-18
6013804 1,3,4-oxadiazolin-2-ones and their use as pesticides Ulrike Wachendorff-Neumann 2000-01-11
5883091 1,3,4-oxadiazine derivatives having a pesticide effect Johannes Kanellakopulos, Ulrike Wachendorff-Neumann 1999-03-16
5412100 Fungicidal substituted acrylic esters Alexander Klausener, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler 1995-05-02
5322949 Pesticidal thiadiazole-substituted acrylic acid esters and intermediates therefor Ulrich Heinemann, Stefan Dutzmann, Gerd Hanssler 1994-06-21
5310919 Pesticidal pyridyl-substituted acrylic esters Alexander Klausener, Dieter Berg, Stefan Dutzmann, Gerd Hanssler 1994-05-10
5266586 Fungicidal substituted triazoles Stefan Dutzmann 1993-11-30
5254693 Fungicidal substituted acrylic esters Alexander Klausener, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler 1993-10-19
5207817 Herbicidal 5H-furan-2-one derivatives Wolfgang Kramer, Jurgen Bachmann, Peter Babczinski, Hans-Joachim Santel, Klaus Lurssen +1 more 1993-05-04
5189175 Pesticidal thiadiazole-substituted acrylic acid esters and intermediates therefor Ulrich Heinemann, Stefan Dutzmann, Gerd Hanssler 1993-02-23
5187178 Fungicidal substituted triazoles Stefan Dutzmann 1993-02-16
5166165 Fungicidal agents based on heterocyclically substituted sulphones Hans-Joachim Diehr, Wilhelm Haas, Heinz-Wilhelm Dehne, Wilhelm Brandes 1992-11-24
5120755 Fungicidal substituted acrylic acid esters Alexander Klausener, Wolfgang Kramer, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler 1992-06-09
5120734 Fungicidal pyrid-2-yl-amino acetic acid esters Alexander Klausener, Dieter Berg, Stefan Dutzmann, Gerd Hanssler 1992-06-09
5114959 Fungicidal substituted acrylic esters Alexander Klausener, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler 1992-05-19
5094681 Herbicidal 5H-furan-2-one derivatives Wolfgang Kramer, Jurgen Bachmann, Peter Babczinski, Hans-Joachim Santel, Klaus Lurssen +1 more 1992-03-10
5095029 Fungicidal 1,3,5-triaryl-2-pyrazolines Stefan Dutzmann 1992-03-10
5049573 Fungicidal substituted triazoles Stefan Dutzmann 1991-09-17