Inventor · Kelkheim, DE

Waltraud Simsch

9Patents
3h-index
22Co-inventors
53Inventor score

Filing activity: Oct 3, 1994 → Jul 2, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7235230B2 Leave-on compositions for personal care Emerging Cross-Sectional Technologies 9 Expired
US5494658A Antidandruff agents and cosmetic preparations Human Necessities 8 Expired
US9237999B2 Cosmetic or pharmaceutical composition comprising modified polyorganosiloxanes Human Necessities 5 Active
US8877234B2 Preservatives Human Necessities 2 Active
US7993445B2 Nanoparticles of alumina and oxides of elements of main groups I and II of the periodic table, and their preparation Emerging Cross-Sectional Technologies 1 Active
US8686033B2 Phosphoric acid esters containing phosphorus atoms bridged by diol units Human Necessities 0 Active
US8389756B2 Method for producing alkoxylated phosphoric acid triesters Human Necessities 0 Active
US6663875B2 Hair preparation for the treatment of dandruff Human Necessities 0 Expired
US8841475B2 Method for producing alkoxylated phosphoric acid triesters Human Necessities 0 Active

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