RM

Ralph Marquardt

DA Degussa Ag: 1 patents #60 of 230Top 30%
📍 Schreiber, CA: #26 of 148 inventorsTop 20%
Overall (2002): #135,324 of 266,432Top 55%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6417385 Method of producing acetone-cyanhydrin Walter Börner, Liane Deusser, Rudolf Vanheertum, Karl-Heinz Vieweg 2002-07-09