JK

Jean Hypolites Koek

📍 Vlaardingen, NL: #2 of 57 inventorsTop 4%
Overall (2002): #27,684 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6495502 Bleaching composition for dry cleaning containing transition metal bleach catalyst Dirk Johannes Bijl, Ronald Hage, Jan Kevelam, Dennis S. Murphy, Irene Erica Smit +2 more 2002-12-17
6479447 Bleaching composition for dry cleaning containing transition metal bleach catalyst Dirk Johannes Bijl, Ronald Hage, Jan Kevelam, Dennis S. Murphy, Irene Erica Smit +2 more 2002-11-12
6384007 Method and composition for enhancing the activity of an enzyme Daniel Convents, Monique Doornink, David William Thornthwaite, Nicole Zwets 2002-05-07