HM

Hendricus J. H. Van Der Maas

SL Shell Research Limited: 1 patents #53 of 163Top 35%
📍 Hedel, NL: #5 of 12 inventorsTop 45%
Overall (All Time): #3,844,072 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5089096 Preparation of quaternary ammonium hydroxides Evert J. Rijkhof, Johannes P. P. Tholen, Gosse Boxhoorn 1992-02-18