Alexander Halasz
5Patents
4h-index
3Co-inventors
42Inventor score
Filing activity: Dec 26, 1972 → Jan 9, 1978
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4092102A | Dyeing keratin fibers with 2-substituted m-toluenediamines | Chemistry; Metallurgy | 11 | Expired |
| US4196145A | Dyeing keratin fibers with 2-substituted m-toluenediamines | Chemistry; Metallurgy | 6 | Expired |
| US3950127A | Hair dye compositions containing nitrodiphenylamine dyes and method for dyeing hair therewith | Chemistry; Metallurgy | 6 | Expired |
| US3981677A | Oxidative hair dye compositions containing N-substituted o-phenylenediamines and method for their use | Human Necessities | 5 | Expired |
| US4021486A | Hydroxyalkyl-amino nitrodiphenylamine compounds useful as hair dyes | Human Necessities | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.