KL

Karel Hendrik Leffelaar

Shell Oil Compny: 2 patents #26 of 228Top 15%
Overall (1997): #34,175 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

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