Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064913 | Glycidylester-anhydride adducts and epoxy resin curing agents therefrom | Petrus G. Kooijmans, Willem Karzijn | 1991-11-12 |
| 4840979 | Process for preparing cationic coating compositions using ammonia adducts of epoxy resins which are further reacted with a cyclic anhydride | Roeland Van Iperen, Petrus G. Kooijmans | 1989-06-20 |
| 4772669 | Cationic coating compositions | Roeland Van Iperen, Petrus G. Kooymans | 1988-09-20 |