Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888340 | Insecticides pyrazolines, compositions and use | Ulrich Buhmann, Peter Wegner, Hartmut Joppien, David Giles, Graham P. Rowson | 1989-12-19 |
| 4837220 | Insecticidal 3-substituted 4-fluorophenyl-1-(fluoroalkoxyphenylcarbamoyl)-pyrazolines | Ulrich Buhmann, Hartmut Joppien, David Giles | 1989-06-06 |