Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870151 | Polyurea-modified polyetherurethanes and their use as emulsion breakers for water-in-oil emulsions | Thomas Scholl, Hermann Perrey, Thomas Augustin | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870151 | Polyurea-modified polyetherurethanes and their use as emulsion breakers for water-in-oil emulsions | Thomas Scholl, Hermann Perrey, Thomas Augustin | 1989-09-26 |