Stefan Gerstung
6Patents
6h-index
6Co-inventors
45Inventor score
Filing activity: Mar 4, 1993 → Sep 9, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5380340A | Hair dye containing aminopyrazole derivatives as well as pyrazole derivatives | Chemistry; Metallurgy | 391 | Expired |
| US5766576A | Oxidation hair dye compositions containing 3,4,5-triaminopyrazole derivatives and 3,4,5-triaminopyrazole derivatives | Textiles; Paper | 365 | Expired |
| US5534267A | Composition for the oxidative dyeing of hair containing 4,5-diaminopyrazole derivatives as well as new 4,5-diaminopyrazole derivatives and process for their synthesis | Chemistry; Metallurgy | 327 | Expired |
| US5663366A | Process for the synthesis of 4,5-diaminopyrazole derivatives useful for dyeing hair | Human Necessities | 300 | Expired |
| US5718731A | Oxidation hair dye composition based on 4,5-diaminopyrazole and m-phenylenediamine derivatives | Textiles; Paper | 34 | Expired |
| US5430159A | N-phenylaminopyrazole derivatives as well as composition and process for the dyeing of hair | Chemistry; Metallurgy | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.