FE

Franz Effenberger

DA Degussa Ag: 1 patents #33 of 130Top 30%
Overall (1989): #114,983 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4859784 Process for the production of optically active cyanohydrins Thomas Ziegler, Siegfried Foerster 1989-08-22