KL

Karel Hendrik Leffelaar

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,274,667 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5693718 Block copolymers having improved combinations of properties Hendrik de Groot, Jacqueline M. Veurink, Jeroen Van Westrenen 1997-12-02
5691420 Process for manufacturing multiarmed asymmetrical radial block copolymers Jeroen Van Westrenen 1997-11-25