JR

Johan Rietberg

DN Dsm N.V.: 2 patents #5 of 168Top 3%
📍 Zwolle, NL: #1 of 9 inventorsTop 15%
Overall (2002): #57,731 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6392006 Condensation polymer containing hydroxyalkylamide groups Rudolfus Van Benthem, Dirk Stanssens 2002-05-21
6387496 Condensation polymer containing hydroxyalkylamide groups Rudolfus Van Benthem, Dirk Stanssens 2002-05-14