Inventor

Roy Van Hal

4Patents
3h-index
3Co-inventors
36Inventor score

Filing activity: Mar 11, 2004 → Aug 3, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7252791B2 Ionic liquids Chemistry; Metallurgy 75 Expired
US7544807B2 Ionic liquids Chemistry; Metallurgy 9 Active
US7863458B2 Halogen-free ionic liquids Emerging Cross-Sectional Technologies 8 Active
US7655803B2 Process for the preparation of ionic liquids with alkyl sulfate and functionalized alkyl sulfate anions Chemistry; Metallurgy 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.