Patrick Andrillon
9Patents
7h-index
3Co-inventors
48Inventor score
Filing activity: May 3, 1976 → Apr 6, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4065255A | 2-Methyl-5-N-hydroxyalkylaminophenol in an oxidation dye composition and method of using the same | Chemistry; Metallurgy | 27 | Expired |
| US4277244A | Dye compositions for keratinic fibers containing paraphenylenediamines | Human Necessities | 23 | Expired |
| US4268264A | Composition for hair dyeing which contains a para base and an ortho base | Human Necessities | 22 | Expired |
| US4295848A | Composition for hair dyeing which contains a para base and an ortho base | Human Necessities | 14 | Expired |
| US4337061A | Hair dye compositions and new compounds useful therein | Human Necessities | 11 | Expired |
| US4563188A | Para-phenylenediamines which can be used in oxidative hair dyeing | Human Necessities | 8 | Expired |
| US4417896A | Hair dye compositions and new compounds useful therein | Human Necessities | 7 | Expired |
| US4466806A | Dyeing compositions containing 3-amino-4-nitroanisole derivatives and their use in dyeing keratin fibres as well as certain new said derivatives | Human Necessities | 5 | Expired |
| US4432769A | Nitro dyestuffs, a process for their preparation, and use of these dyestuffs in dyeing keratin fibres | Human Necessities | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.