Inventor · Leverkusen, DE

Gerhard Ruffert

4Patents
2h-index
14Co-inventors
41Inventor score

Filing activity: Nov 1, 1991 → Aug 20, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7118653B2 Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column Emerging Cross-Sectional Technologies 24 Expired
US8277615B2 Method for the distillative purification of slow-evaporating fluids Chemistry; Metallurgy 11 Active
US5149890A Process for the isolation of pure dinitrotoluenes Chemistry; Metallurgy 1 Expired
US10143987B2 Method for dividing fluid streams Emerging Cross-Sectional Technologies 0 Active

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