Rolf-Dieter Kahl has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 1997 and the most recent in August 2013. Rolf-Dieter Kahl ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Rolf-Dieter Kahl in Haßloch, DE.