HH

Hans-Albrecht Hasseberg

DA Degussa Ag: 1 patents #20 of 135Top 15%
Overall (1997): #145,485 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5672745 Method for the continuous preparation of methionine or methionine derivatives Klaus Huthmacher, Stephan Rautenberg, Heinrich Petsch, Horst Weigel 1997-09-30