GS

Guido Steffan

BH Bayer Healthcare: 5 patents #72 of 1,029Top 7%
📍 Odenthal, DE: #2 of 37 inventorsTop 6%
Overall (2002): #6,313 of 266,432Top 3%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6455725 Substituted cinnamic acids and cinnamic acid esters Walter Lange, Joachim Komoschinski, Ernst Kysela 2002-09-24
6441170 Method of producing 4,6-dichloropyrimidine with acid chlorides Franz-Josef Mais, Gunther Cramm, Alexander Klausener 2002-08-27
6441171 Method for the production of 4,6-dichloropyrimidine with the aid of phosgene Franz-Josef Mais, Gunther Cramm, Alexander Klausener 2002-08-27
6433228 Process for preparing 2-halogenated indan-1-ones Joachim Komoschinski, Helmut Fiege, Klaus-Christian Paetz 2002-08-13
6369259 Method of preparing 4,5,6-trichloro-and 2,4,5,6-tetrachloropyrimidine Georg Hardenbicker 2002-04-09
6355827 Process for preparing 2-cyanoindan-1-ones Joachim Komoschinski, Helmut Fiege 2002-03-12