Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298757 | 2-[2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropyl ]vinyl alkanoates | Johannes Van Berkel | 1981-11-03 |
| 4258205 | 2,2-Dimethylcyclopropanecarbaldehyde dimethyl acetal derivatives | Johannes Van Berkel | 1981-03-24 |
| 4234512 | Cyclopropane derivatives | Johannes Van Berkel | 1980-11-18 |
| 4230891 | 2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropanecarbaldehyde dimethyl acetal | Pieter A. Verbrugge, Petrus A. Kramer, Johannes Van Berkel | 1980-10-28 |
| 4222964 | 2-(2,2-Dihalovinyl-3,3-dimethylcyclopropyl)ethanal | Johannes Van Berkel, Johannes L. M. Syrier | 1980-09-16 |