HW

Horst Weigel

DA Degussa Ag: 1 patents #20 of 135Top 15%
Overall (1997): #139,359 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 Hans-Albrecht Hasseberg, Klaus Huthmacher, Stephan Rautenberg, Heinrich Petsch 1997-09-30