Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332860 | Aqueous polymer dispersions for the treatment of leather | Wolfgang Speicher | 1982-06-01 |
| 4330597 | Process for dressing leather by a treatment using rubber latices | Leo Tork, Wolfgang Hohne | 1982-05-18 |