Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341716 | Polyether polyamines, the salts thereof, process for their manufacture and their use | Helmut Diery, Wolfgang Wagemann, Reinhold Deubel, Martin Hille | 1982-07-27 |
JW
Joachim Weide
Overall (1982): #50,949 of 81,411Top 65%
1
Patents 1982