BS

Bernd Siegel

Basf Se: 3 patents #112 of 1,093Top 15%
📍 Otterstadt, DE: #1 of 5 inventorsTop 20%
Overall (2003): #33,283 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6669740 Dye preparations comprising azo dyes Karl Siemensmeyer, Volker Bach, Manfred Herrmann, Günther König, Rudiger Sens 2003-12-30
6607565 Colorant preparations Manfred Herrmann, Karl Siemensmeyer 2003-08-19
6537331 Dye preparations containing azo dyes Karl Siemensmeyer, Volker Bach, Manfred Herrmann, Günther König, Rudiger Sens 2003-03-25