DA

Dietrich Arntz

DA Degussa Ag: 5 patents #2 of 166Top 2%
📍 Hanau, AL: #1 of 1 inventorsTop 100%
Overall (1994): #3,558 of 165,921Top 3%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5364984 Process for the preparation of 1,3-propanediol by the hydrogenation of hydroxypropionaldehyde Thomas Haas, Adolf Schafer-Sindlinger 1994-11-15
5364987 Process for the preparation of 1,3-propanediol Thomas Haas 1994-11-15
5334778 Process for the production of 1,3-propanediol Thomas Haas, Norbert Wiegand 1994-08-02
5284979 Process for the prepartion of 3-hydroxyalkanals Thomas Haas, Georg Bohme 1994-02-08
5276201 Process for the production of 3-hydroxyalkanals Thomas Haas, Reinhold Brand 1994-01-04