Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344764 | Desizing of textiles consisting of or containing cellulose | Heinz-Dieter Angstmann | 1982-08-17 |
| 4331539 | Purification of regenerated sizing liquors | Wolfgang Schenk, KARL POPP | 1982-05-25 |