Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341716 | Polyether polyamines, the salts thereof, process for their manufacture and their use | Helmut Diery, Wolfgang Wagemann, Joachim Weide, Martin Hille | 1982-07-27 |
| 4333732 | Dyestuff preparations containing oxalkylates of modified natural rosin acids | Konrad Opitz, Hubert Kruse, Manfred Schneider, Heinz Uhrig | 1982-06-08 |
| 4323396 | Process for the preparation of pigment formulations and their use | Klaus Ehl | 1982-04-06 |