KD

Karl-Heinz Drauz

DA Degussa Ag: 3 patents #424 of 2,007Top 25%
FG Forschungszentrum Jülich Gmbh: 1 patents #318 of 945Top 35%
📍 Alzenau, DE: #156 of 477 inventorsTop 35%
Overall (All Time): #1,654,138 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5304470 Process for the enzymatic preparation of protected and unprotected di- and oligopeptides in aqueous solutions Andreas Fischer, Alexander Schwarz, Christian Wandrey, Guenter Knaup, Andreas Bommarius 1994-04-19
5026925 Method of producing catechol and hydroquinone Axel Kleeman, Gunter Prescher, Gebhard Ritter 1991-06-25
4825011 Method of preparing substituted dihydroxy-benzenes Axel Kleeman, Gunter Prescher, Gebhard Ritter 1989-04-25