Angelika-Maria Pfeiffer has been granted 7 US patents while listed as an inventor at Basf Se. The first was granted in 1999 and the most recent in May 2011. Angelika-Maria Pfeiffer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Angelika-Maria Pfeiffer in Oldenburg, DE.