Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7247664 | Bituminous composition with improved ‘walk-on-ability’ and its use in roofing applications | Gerardus Wilhelmus Jozef Heimerikx | 2007-07-24 |
| 7230041 | Bituminous compositions | Duco Bodt, Jan Korenstra, Johan Plantinga | 2007-06-12 |
| 7148273 | Bituminous composition with reduced gelation tendency | Wouter De Jong, Duco Bodt | 2006-12-12 |
| 6949593 | Bituminous composition with improved ‘walk-on-ability’ and its use in roofing applications | Gerardus Wilhelmus Jozef Heimerikx | 2005-09-27 |