Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870103 | Concentrated aqueous microemulsions | Hans Rochling | 1989-09-26 |
| 4853026 | Herbicidal emulsions | Gerhard Frisch | 1989-08-01 |
| 4804399 | Liquid pesticidal compositions in the form of suspension concentrates | Gerhard Frisch | 1989-02-14 |