Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357245 | Water-soluble copolymer and its preparation | Friedrich Engelhardt, Ulrich Riegel, Heinz Wittkus | 1982-11-02 |
| 4341716 | Polyether polyamines, the salts thereof, process for their manufacture and their use | Helmut Diery, Wolfgang Wagemann, Joachim Weide, Reinhold Deubel | 1982-07-27 |
| 4339459 | Guanidinium compounds and their use as microbiocidal agents | Helmut Diery, Wolfgang Wagemann, Hans-Walter Bucking, Karl H. Wallhausser | 1982-07-13 |
| 4309523 | Water-soluble copolymer of acrylamidomethylpropanesulfonic acids salts | Friedrich Engelhardt, Ulrich Riegel, Heinz Wittkus | 1982-01-05 |