HA

Hans-Josef Altenbach

CG Cognis Deutschland Gmbh: 1 patents #41 of 107Top 40%
DA Degussa Ag: 1 patents #925 of 2,007Top 50%
DA Degussa-Huels Ag: 1 patents #156 of 473Top 35%
📍 Wuppertal, DE: #529 of 1,656 inventorsTop 35%
Overall (All Time): #1,624,725 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6297390 Method for preparing optically active 5-methyl-2-(1-methyl-butyl)-5-propyl-1,3-dioxan Thomas Markert, Dirk Merkel 2001-10-02
6121487 Method of producing amino acids and amino-acid derivatives Annegret Vogt, Michael Kirschbaum, Michael Hahn, Mike Matthaus, Andreas Rainer Hermann 2000-09-19
6018050 Method of preparing optically active .alpha.-amino acids and .alpha.-amino acid derivatives Matthias Kottenhahn, Annegret Vogt, Mike Matthaus, Andreas Grundler, Michael Hahn 2000-01-25