Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361625 | Plasticizer-containing films of partially acetalized polyvinyl alcohols | Rolf Beckmann | 1982-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361625 | Plasticizer-containing films of partially acetalized polyvinyl alcohols | Rolf Beckmann | 1982-11-30 |