NK

Norbert Krass

Hoechst Gmbh: 2 patents #125 of 721Top 20%
📍 Frankfurt am Main, DE: #22 of 113 inventorsTop 20%
Overall (1997): #28,575 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5637721 Process for the preparation of cephem prodrug esters Elisabeth Defossa, Gerd Fischer, Uwe Gerlach, Rolf Horlein, Rudolf Lattrell +2 more 1997-06-10
5614623 Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate and processes for their preparation Gerd Fischer, Elisabeth Defo.beta.a, Uwe Gerlach, Rolf H orlein, Rudolf Lattrell +3 more 1997-03-25