HN

Hans Neunhoeffer

WG Wella Gmbh: 1 patents #8 of 22Top 40%
📍 Mühltal, DE: #3 of 7 inventorsTop 45%
Overall (1997): #144,836 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5663366 Process for the synthesis of 4,5-diaminopyrazole derivatives useful for dyeing hair Stefan Gerstung, Thomas Clausen, Wolfgang Balzer 1997-09-02