Inventor · disambiguated record
Karel Hendrik Leffelaar
Also filed as: LEFFELAAR KAREL H · LEFFELAAR KAREL HENDRIK
2 granted patents·1 pending application·44 citations·filing 1995–2003
61Inventor score
Top patents by PatentIndex Score
3 records- 0174US5693718ABlock copolymers having improved combinations of propertiesSHELL OIL CO·Filed 1995·Granted Dec 2, 1997·39 cites·5 claims
- 0241US2006151901A1Packaging tape adhesive composition and packaging tape comprising itLEFFELAAR KAREL H·Filed 2003·Application pending·0 cites
- 0337US5691420AProcess for manufacturing multiarmed asymmetrical radial block copolymersSHELL OIL CO·Filed 1995·Granted Nov 25, 1997·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →