Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7585935 | Purified polymeric materials and methods of purifying polymeric materials | Robert Hossan, Christian Lietzau, Matthew Frank Niemeyer | 2009-09-08 |
| 7354990 | Purified polymeric materials and methods of purifying polymeric materials | Robert Hossan, Christian Lietzau, Matthew Frank Niemeyer | 2008-04-08 |
| 7288683 | Method for making alkylated phenols | Hugo Ingelbrecht, David Parrillo, Gert-Jan Schoenmakers, Geuch Zijlma | 2007-10-30 |
| 7081432 | Alkylation catalyst and method for making alkylated phenols | Hugo Ingelbrecht, David Parillo, Gert-Jan Schoenmakers, Geuch Zijlma | 2006-07-25 |
| 6926917 | Dry pet food with increased palatability and method of production | — | 2005-08-09 |
| 6897175 | Catalyst and method for the alkylation of hydroxyaromatic compounds | David Parrillo, Pramod Kumbhar, Ashok Menon, Geuch Zijlma, Sunil Ashtekar | 2005-05-24 |
| 6444779 | Method of preparing a poly(arylene ether), and a poly(arylene ether) prepared thereby | Probjot Singh, Hugo Ingelbrecht, David Parrillo | 2002-09-03 |
| 6437084 | Method of preparing a poly (arylene ether) and a poly (arylene ether) prepared thereby | Joop Birsak, Hugo Ingelbrecht, David Parrillo, Probjot Singh | 2002-08-20 |
| 6407200 | Method of preparing a poly(arylene ether), and a poly(arylene ether) prepared thereby | Probjot Singh, Hugo Ingelbrecht, David Parrillo | 2002-06-18 |