Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497966 | Process for the preparation of nitrophenylalkanols | Robert van Helden | 1985-02-05 |
| 4398032 | Process for the preparation of 4-dihalomethyl-3-oxabicyclo[3.1.0]hexan-2-ones | — | 1983-08-09 |
| 4388247 | Trihalomethylation of aldehydes | Pieter A. Verbrugge | 1983-06-14 |
| 4375557 | Process for the preparation of dihalovinylcyclopropane carboxylic acid | — | 1983-03-01 |
| 4346038 | Oxabicyclo[3.1.0]hexan-2-ones | — | 1982-08-24 |
| 4335253 | Preparation of dihalovinyl compounds | — | 1982-06-15 |
| 4332730 | Dihalomethylenelactone pyrethroid intermediates | — | 1982-06-01 |
| 4307243 | Process of preparing dihalovinyl compounds | Pieter A. Verbrugge | 1981-12-22 |
| 4305890 | Cyclopropyl dihalo phosphites | Pieter A. Verbrugge | 1981-12-15 |
| 4298756 | 1R, Cis 2,2-dihalovinyl-3,3-dimethylcyclopropylmethanol and ester derivatives | Pieter A. Verbrugge | 1981-11-03 |
| 4294765 | Cis-lactone pyrethroid intermediates | Pieter A. Verbrugge | 1981-10-13 |
| 4285882 | Trihalocyclopropyl carbonates | Pieter A. Verbrugge | 1981-08-25 |
| 4247711 | Preparation of 2-formyl-3,3-dimethylcyclopropaneacetic acid | Pieter A. Verbrugge | 1981-01-27 |
| 4242279 | 2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropylacetone pyrethroid intermediates | Pieter A. Verbrugge | 1980-12-30 |
| 4230891 | 2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropanecarbaldehyde dimethyl acetal | Pieter A. Verbrugge, Johannes Van Berkel, Hendrik C. Kelderman | 1980-10-28 |
| 4219504 | Preparation of 2-(2-acetyl-3-oxobutyl)-3,3-dimethylcyclopropanecarbaldehyde | Pieter A. Verbrugge | 1980-08-26 |