DW

Doreen Warthe

Merck: 6 patents #1,819 of 9,382Top 20%
Overall (All Time): #843,684 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9611390 Pigments with an iron silicate-containing coating Johann Dietz, Ute Honeit 2017-04-04
8337611 Effect pigments Gerhard Pfaff, Johann Dietz, Sabine Schoen 2012-12-25
7691196 Effect pigments Gerhard Pfaff, Johann Dietz, Sabine Schoen 2010-04-06
7255736 Effect pigments based on thin SiO2 flakes Gerhard Pfaff, Johann Dietz, Cornelia Foerderer 2007-08-14
7169223 Effect pigments having a strong color flop Gerhard Pfaff, Cornelia Foerderer, Johann Dietz 2007-01-30
7156913 Intensely colored red effect pigments Gerhard Pfaff, Cornelia Foerderer, Johann Dietz 2007-01-02