Inventor · Oud-Beijerland, NL

Willem Van Dijk

8Patents
5h-index
10Co-inventors
56Inventor score

Filing activity: Dec 8, 1989 → Dec 23, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5246612A Machine dishwashing composition containing peroxygen bleach, manganese complex and enzymes Chemistry; Metallurgy 86 Expired
US6569827B2 Concentrated liquid detergent composition Chemistry; Metallurgy 23 Expired
US5112518A Enzymatic dishwashing composition containing a chlorine-type bleaching agent Chemistry; Metallurgy 17 Expired
US5798327A Enzymatic detergent compositions Chemistry; Metallurgy 8 Expired
US5877139A Enzymatic detergent compositions Chemistry; Metallurgy 5 Expired
US5551990A Enzymatic dishwashing and rinsing composition Chemistry; Metallurgy 2 Expired
US8628807B2 Negatively charged polysaccharide derivable from aloe vera Human Necessities 2 Expired
US5782932A Enzymatic composition Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.