RM

Ralph Marquardt

DA Degussa Ag: 2 patents #606 of 2,007Top 35%
📍 Schreiber, CA: #467 of 2,446 inventorsTop 20%
Overall (All Time): #1,596,599 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6838070 Method of producing cyanuric chloride Walter Boerner, Stephanie Schauhoff, Christine Schick, Rudolf Vanheertum 2005-01-04
6417385 Method of producing acetone-cyanhydrin Walter Börner, Liane Deusser, Rudolf Vanheertum, Karl-Heinz Vieweg 2002-07-09
4335376 Electronic control device 1982-06-15