Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331781 | Process for the preparation of a polyvinyl alcohol complex compound in the presence of an organic boric acid derivative | Gunther Pospich | 1982-05-25 |
| 4323492 | Plasticizer containing polyvinyl alcohol granules | Albrecht Harreus | 1982-04-06 |