FR

Friedrich Ruf

SA Sud-Chemie A.G.: 1 patents #1 of 2Top 50%
📍 Landshut, DE: #1 of 6 inventorsTop 20%
Overall (1997): #151,879 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5637552 Process for producing neutral to alkali color developer pigments Reinhard Hahn 1997-06-10