PK

Peter C. Knuppel

BH Bayer Healthcare: 8 patents #1,173 of 8,007Top 15%
📍 Wermelskirchen, DE: #28 of 183 inventorsTop 20%
Overall (All Time): #665,471 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6204397 Process for the preparation of 3-substituted 4-cyano-pyrrole compounds Reinhard Lantzsch, Klaus Jelich, Peter Andres, Albrecht Marhold 2001-03-20
5371095 Pyridyl compounds which have pesticidal activity Alexander Klausener, Ralf Tiemann, Stefan Dutzmann, Heinz-Wilhelm Dehne, Ulrike Wachendorff-Neumann 1994-12-06
5284946 Triazinyl-substituted acrylic esters Dieter Berg, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd Hanssler 1994-02-08
5258526 Process for the preparation of 3-substituted 4-cyano-pyrrole compounds Reinhard Lantzsch, Klaus Jelich, Peter Andres, Albrecht Marhold 1993-11-02
5238934 Triazinyl-substituted acrylic esters Dieter Berg, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd Hanssler 1993-08-24
5234899 Substituted 2,2-difluoro-1,3-benzodioxyl-4-ketone herbicides Albrecht Marhold, Thomas-Peter Hausner, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt +1 more 1993-08-10
5231097 Pyrimidyl-substituted acrylic esters Alexander Klausener, Heinz-Wilhelm Dehne, Stefan Dutzmann 1993-07-27
5196541 Process for the preparation of substituted 3-aminoacrylic esters Herbert Gayer, Alexander Klausener, Fritz Maurer 1993-03-23