KL

Karl-Friedrich Landgraf

AM Asta Medica: 4 patents #28 of 179Top 20%
AG Arzneimittelwerk Dresden Gmbh: 1 patents #44 of 117Top 40%
📍 Dresden, DE: #475 of 3,254 inventorsTop 15%
Overall (All Time): #1,041,540 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6538151 Modifications of 2-amino-4-(4-fluorobenzylamino)-1-ethoxycarbonylaminobenzene, and processes for their preparation Peter Meisel, Jürgen Schäfer, Wilfried Thiel, Matthias Rischer, Alfred Olbrich +1 more 2003-03-25
5994393 Alpha-lipoic acid with novel modification Thomas Beisswenger, Gunter Laban, Eberhard Oestreich, Matthias Rischer 1999-11-30
5959115 Process for the preparation of pure flupirtine maleate and its A modification Alfred Olbrich, Peter Emig, Bernhard Kutscher, Siegfried Pauluhn, Hans Stange 1999-09-28
5914425 Modifications of 2-amino-4-(4-5fluorobenzylamino)-1-ethoxycarbonylaminobenzene, and processes for their preparation Peter Meisel, Jürgen Schäfer, Wilfried Thiel, Matthias Rischer, Alfred Olbrich +1 more 1999-06-22
5888545 Carbamazepine medicament with retarded active substance release Sabine Reiss, Eberhard Schubert 1999-03-30