Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873270 | Polyurethane-carbohydrate-based substances which can be calendered to produce biodegradable materials | Georges Mention, Andre Thouzeau | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873270 | Polyurethane-carbohydrate-based substances which can be calendered to produce biodegradable materials | Georges Mention, Andre Thouzeau | 1989-10-10 |