Inventor · Essen, DE

Ellen Wallhorn

5Patents
4h-index
13Co-inventors
46Inventor score

Filing activity: May 14, 1998 → May 25, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6235813A Dispersants for preparing aqueous pigment pastes Chemistry; Metallurgy 15 Expired
US6310123A Phosphoric esters and their use as dispersants Emerging Cross-Sectional Technologies 10 Expired
US5994415A Compound antifoams for defoaming polymer dispersions and aqueous coating systems Performing Operations; Transporting 10 Expired
US6423130B1 Phosphoric esters and their use as dispersants Emerging Cross-Sectional Technologies 5 Expired
USRE39746E1 Phosphoric esters and their use as dispersants General 4 Expired

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