Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049278 | Composition and method for bleaching a substrate | Ronald Hage, David Tetard, David William Thornthwaite | 2006-05-23 |
| 6638901 | Composition and method for bleaching a substrate | Ronald Hage, David Tetard, David William Thornthwaite | 2003-10-28 |
| 6380146 | Bleaching detergent compositions | Greta Johanna Breel, Daniel Convents, Willem Van Liemt, Robin Stefan Twisker | 2002-04-30 |
| 6323014 | Method and composition for enhancing the activity of an enzyme | Greta Johanna Breel, Daniel Convents, Willem Van Liemt, Robin Stefan Twisker | 2001-11-27 |
| 6225275 | Method for enhancing the activity of an enzyme | Ronald Hage, Jiri Hora, Robin Stefan Twisker | 2001-05-01 |
| 6169065 | Method for the activity of an enzyme | Willem Antheunisse, Ronald Hage, Jiri Hora, Robin Stefan Twisker | 2001-01-02 |
| 6107264 | Enzymatic bleach composition | Marcel van der Helm, Monique van der Heiden, Dirk Hondmann, Annelies Smits, Cornelis Theodorus Verrips | 2000-08-22 |
| 5601750 | Enzymatic bleach composition | Todd W. Domke, Charles Craig Nunn, Marco Luigi Federico Giuseppin, Rudolf J. Martens, Cornelis Theodorus Verrips | 1997-02-11 |
| 5480575 | Adjuncts dissolved in molecular solid solutions | Paul A. Altieri, James L. Eden, Michael C. Gribnau, Leendert Hoogendijk, Lambertus B. Krijnen +1 more | 1996-01-02 |
| 5246621 | Bleach activation by manganese-based coordination complexes | Thomas L. F. Favre, Ronald Hage, Karin Van Der Helm-Rademaker, Jean Hypolites Koek, Rudolf J. Martens +1 more | 1993-09-21 |
| 5246612 | Machine dishwashing composition containing peroxygen bleach, manganese complex and enzymes | Willem Van Dijk | 1993-09-21 |
| 5244594 | Bleach activation multinuclear manganese-based coordination complexes | Thomas L. F. Favre, Ronald Hage, Karin Van Der Helm-Rademaker, Jean Hypolites Koek, Rudolf J. Martens +1 more | 1993-09-14 |
| 5227084 | Concentrated detergent powder compositions | Rudolf J. Martens, Marten R. P. van Vliet | 1993-07-13 |
| 5133893 | Enzymatic detergent composition | David Thom, Jan Maat | 1992-07-28 |
| 5114611 | Bleach activation | Cornelis Van Kralingen, Rudolf J. Martens, Mark Rerek, Marten R. P. van Vliet | 1992-05-19 |
| 5069809 | Enzymatic detergent and bleaching composition containing a specific rDNA technique cloned lipase | Cornelis A. Lagerwaard, Johannes M. Cornelissen, Jan Klugkist, David Thom | 1991-12-03 |
| 4873016 | Enzymatic detergent composition | David Thom, Jan Maat | 1989-10-10 |
| 4824599 | Enzymatic detergent composition | Hendrik E. de Jong, Johan Haverkamp | 1989-04-25 |
| 4769173 | Enzymatic detergent and bleaching composition | Johannes M. Cornelissen, Jan Klugkist, Cornelis A. Lagerwaard, David Thom | 1988-09-06 |
| 4707291 | Enzymatic detergent composition | David Thom, Jan Maat | 1987-11-17 |