WK

Willem Koelewijn

AN Akzo Nobel N.V.: 2 patents #357 of 1,625Top 25%
AB Akzo Nobel Chemicals International B.V: 1 patents #135 of 276Top 50%
NB Nouryon Chemicals International B.V.: 1 patents #80 of 207Top 40%
📍 Zwolle, NL: #23 of 176 inventorsTop 15%
Overall (All Time): #1,101,766 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11912937 Acidizing treatment fluid for delayed acidification in the oil field industry Maria Antonieta Leon Matheus, Cornelis Kooijman, Cornelis Elizabeth Johannus Van Lare 2024-02-27
9505694 Process for the purification of a liquid feed comprising MCA and DCA Melle Rinze Nieuwhof, Cornelis Kooijman, Hendrik Jan Vos, Lars Magnus Tollin, Henricus Johannes Marinus Petrus Van Hal 2016-11-29
7918987 Electrochemical process to prepare a halogenated carbonyl group-containing compound Hans Lammers, Johannes Wilhelmus Franciscus Lucas Seetz, Joldert Faber 2011-04-05
6358435 Phlegmatization of cyclic ketone peroxides Pieter J. Schuurman, Bernhard DeVries, Johannes J. De Groot 2002-03-19