Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888379 | Heat-sensitive polyurethane dispersions | Wolfgang Henning, Wolfram V. Langenthal, Hermann Perrey | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888379 | Heat-sensitive polyurethane dispersions | Wolfgang Henning, Wolfram V. Langenthal, Hermann Perrey | 1989-12-19 |