Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663444 | Preparation of a pure dialkylaminoethanol stable against discoloration | Gunther Ruider, Tom Witzel, Karl-Heinz Ross, Gunter Boettger | 1997-09-02 |
JM
Johann-Peter Melder
Overall (1997): #127,449 of 185,788Top 70%
1
Patents 1997