WJ

Wilhelm Joch

DG Dynamit Nobel Gmbh: 2 patents #135 of 414Top 35%
📍 Niederkassel, DE: #36 of 91 inventorsTop 40%
Overall (All Time): #2,373,225 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4224234 Method for preparation of orthosilicic acid tetraalkyl esters Wilhelm Flick, Hermann Richtzenhain, Volker Hunger 1980-09-23
4197252 Process for the preparation of orthosilicic acid tetraalkoxyalkyl esters Arnold Lenz, Walter Rogler 1980-04-08