Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871798 | Process for the preparation of aqueous polyurethane-polyurea dispersions | Wolfgang Henning | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871798 | Process for the preparation of aqueous polyurethane-polyurea dispersions | Wolfgang Henning | 1989-10-03 |