Dirk van de Kleut has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 2005 and the most recent in May 2019. Dirk van de Kleut ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dirk van de Kleut in Amersfoort, NL.