Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411978 | Photoresist materials and processes of using with photosensitive naphthoquinone diazides and nitrones | Hendrik E. Kokelenberg, Rafael P. Samijn | 1983-10-25 |
| 4282309 | Photosensitive composition containing an ethylenically unsaturated compound, initiator and sensitizer | Walter F. DeWinter, Hendrik E. Kokelenberg | 1981-08-04 |
| 4255513 | Photopolymerizable recording materials | August M. Marien, Walter F. De Winter, Hendrik E. Kokelenberg | 1981-03-10 |