CF

Christa Fest

BH Bayer Healthcare: 48 patents #147 of 8,007Top 2%
📍 Wuppertal, DE: #41 of 1,656 inventorsTop 3%
Overall (All Time): #58,997 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
5328896 Preparing herbicidal sulphonylurea salts Hans-Jochem Riebel, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Dieter Feucht +3 more 1994-07-12
5221317 Herbicidal sulphonylaminoguanidinoazines Klaus-Helmut Muller, Rolf Kirsten, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel +5 more 1993-06-22
5217522 Herbicidal sulphonylguanidinoazines Hans-Jochem Riebel, Ernst Rudolf F. Gesing, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller +3 more 1993-06-08
5213608 Herbicidal substituted sulphonylamidinohydrazones Ernst Rudolf F. Gesing, Rolf Kirsten, Joachim Kluth, Reinhard Lantzsch, Klaus-Helmut Muller +6 more 1993-05-25
5211740 Herbicidal aminoguanidinoazines Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Hans-Jochem Riebel, Hans-Joachim Santel +2 more 1993-05-18
5167692 Herricidal substituted sulphonylamidinohydrazones Ernst Rudolf F. Gesing, Rolf Kirsten, Joachim Kluth, Reinhard Lantzsch, Klaus-Helmut Muller +6 more 1992-12-01
5125960 Herbicidal substituted arylsulphonylaminoguanidinoazines Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Hans-Jochem Riebel, Klaus Lurssen +2 more 1992-06-30
5092917 Herbicidal aminoguanidinoazines Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Hans-Jochem Riebel, Hans-Joachim Santel +2 more 1992-03-03
5091529 Herbicidal substituted sulphonylaminoazoles Rolf Kirsten, Joachim Kluth, Ernst Rudolf F. Gesing, Klaus-Helmut Muller, Hans-Jochem Riebel +5 more 1992-02-25
5021082 Herbicidal substituted sulphonylaminoazoles Rolf Kirsten, Joachim Kluth, Ernst Rudolf F. Gesing, Klaus-Helmut Muller, Hans-Jochem Riebel +5 more 1991-06-04
4990637 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Ernst Kysela, Hans-Joachim Santel +2 more 1991-02-05
4988379 Sulphonyliso(thio)urea derivatives as herbicides Hans-Joachim Diehr, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister +6 more 1991-01-29
4952233 Herbicidal sulphonylaminoguanidinoazines Klaus-Helmut Muller, Rolf Kirsten, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel +2 more 1990-08-28
RE33298 1-(2-oxyaminosulphonylphenylsulphonyl)-3-heteroaryl-ureas Hans-Joachim Diehr, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister +5 more 1990-08-14
4941912 Herbicidal substituted sulphonylaminoazoles Rolf Kirsten, Joachim Kluth, Ernst Rudolf F. Gesing, Klaus-Helmut Muller, Hans-Jochem Riebel +5 more 1990-07-17
4931465 Benzaldoxime carbamate derivatives Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler, Karl-Heinz Kuck 1990-06-05
4927454 Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Ernst Kysela, Hans-Joachim Santel +2 more 1990-05-22
4923505 Sulphonyliso(thio)ureas Hans-Jochem Riebel, Klaus-Helmut Muller, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang 1990-05-08
4911752 Halogenoalkoxy-phenylsulphonylisothioureidoazine herbicidal agents Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt 1990-03-27
4910221 Pesticidal alpha-methylsulphonyl-benzaldoxime derivatives Gerd Hanssler, Wilhelm Brandes 1990-03-20
4886832 Fungicidal benzaldoxime derivatives Kurt Findeisen, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler, Paul Reinecke 1989-12-12
4859235 Pesticidal .alpha.-methylsulphonyl-benzaldoximes and carbamates thereof Gerd Hanssler, Wilhelm Brandes 1989-08-22
4846879 Phenylsulphonylisourea herbicides Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt, Robert H. Strang 1989-07-11
4840661 Sulphonyliso(thio)urea derivatives and herbicidal use thereof Hans-Joachim Diehr, Rolf Kristen, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister +6 more 1989-06-20
4822406 O-aryl-N'-(triazin-2-yl)-isourea herbicides Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt, Robert H. Strang 1989-04-18