Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880838 | Pesticidal 1-(4-Phenoxyphenyl)-5-Benzoyl urea compounds and process for preparation | David Teh-Wei Chou | 1989-11-14 |
| 4873264 | Novel pesticidal 1-(alkyl-phenoxy-aryl)-3-benzoyl ureas and process for preparation | David Teh-Wei Chou | 1989-10-10 |