WK

Willem J. de Klein

AI Akzona Incorporated: 5 patents #19 of 274Top 7%
AN Akzo N.V.: 1 patents #342 of 803Top 45%
📍 Dieren, NL: #8 of 59 inventorsTop 15%
Overall (All Time): #896,690 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4411823 Initiator system for radiation curable compositions, radiation curable compositions containing such an initiator system, a process for curing said compositions and products covered therewith Hendrik J. Hageman, Egenius A. Giezen 1983-10-25
4328112 Process for the preparation of sulfur-containing additives for lubricant compositions Jan C. Vis 1982-05-04
4323495 Novel branched-chain monoalcohols and derivatives thereof, lubricant compositions for polymers and wax compositions in which these novel products are incorporated Jacobus J. Zeilstra, Joannes D. Bik 1982-04-06
4322570 Process for the addition of a chlorinated methane containing at least three chlorine atoms to an ethylenically unsaturated hydrocarbon 1982-03-30
4293345 Wax composition for entirely or partly replacing carnauba wax or montan wax Jacobus J. Zeilstra, Joannes D. Bik 1981-10-06
4283314 Resin composition having improved internal and external lubricating properties employing branched chain high molecular weight ester derivatives of monocarboxylic acids Jacobus J. Zeilstra, Joannes D. Bik, Jan C. Vis 1981-08-11