Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902297 | Slip- and leveling agent | Lothar Alexander Engelbrecht, Frank Oliver Heinrich Pirrung, Petrus Johannes Harbers, Martin Philipoom | 2011-03-08 |
| 7858694 | Polymers obtained via nitroxyl radical polymerization | Lothar Alexander Engelbrecht | 2010-12-28 |
| 7682439 | Polyurethane dispersant | Lothar Alexander Engelbrecht, Marcelles Van Der Sluis, Wendy Gezina Hof | 2010-03-23 |
| 7595416 | Phosphoric acid esters and their use as wetting and dispersing agent | Frank Oliver Heinrich Pirrung, Petrus Johannes Harbers, Elizabeth Loen, Arona Eliane Munneke | 2009-09-29 |
| 7173084 | Levelling agent and anti-cratering agent | Frank Oliver Heinrich Pirrung, Elizabeth Loen, Lothar Alexander Engelbrecht | 2007-02-06 |
| 4514547 | 2-Hydroxypropane sulphonic acid derivatives: their preparation and curable compositions thereof | — | 1985-04-30 |
| 4332709 | Water-thinnable binders and their preparation | Petrus G. Kooijmans, Wolfgang Kunze | 1982-06-01 |