AK

Annika Koenen

HK Henkel Ag & Co. Kgaa: 3 patents #9 of 276Top 4%
📍 Grevenbroich, DE: #1 of 11 inventorsTop 10%
Overall (2017): #86,232 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9655827 Agents for oxidatively dyeing hair containing specific combinations of developers and couplers Antje Gebert-Schwarzwaelder 2017-05-23
9656101 Agent for oxidatively dyeing hair containing specific combinations of developers and couplers Antje Gebert-Schwarzwaelder 2017-05-23
9649267 Composition for oxidative colouring of hair comprising specific combinations of developers and couplers Antje Gebert-Schwarzwaelder 2017-05-16