GS

Guido Steffan

BH Bayer Healthcare: 4 patents #72 of 933Top 8%
📍 Odenthal, DE: #4 of 34 inventorsTop 15%
Overall (1997): #8,154 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5693831 (2,3-dihydro-5-benzofuranyl)-acetonitrile Nikolaus Muller 1997-12-02
5681957 Process for the preparation of substituted 2-fluoro-pyrimidines Erich Wolters, Alexander Klausener 1997-10-28
5679826 Process for the preparation of 2-chloroacrylonitrile Franz-Josef Mais, Thomas Essert, Helmut Fiege, Friedrich Durholz 1997-10-21
5677453 Process for the preparation of 4,6-dichloropyrimidines Gunther Cramm, Volker Kass 1997-10-14