NW

Norbert Wiegand

DA Degussa Ag: 3 patents #424 of 2,007Top 25%
Overall (All Time): #1,655,212 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5334778 Process for the production of 1,3-propanediol Thomas Haas, Dietrich Arntz 1994-08-02
5171898 Method for the production of 1,3-propandiol Dietrich Arntz 1992-12-15
5015789 Method of preparing 1,3-propanediol Dietrich Arntz 1991-05-14