Inventor · disambiguated record
Nicholas H. Leon
Also filed as: LEON NICHOLAS H · LEON NICHOLAS HAY
3 granted patents·341 citations·filing 1973–1980
75Inventor score
Files withLEVER BROTHERS LTD3
Top patents by PatentIndex Score
3 records- 0191US4359456AAntiperspirant activity of basic aluminum compoundsLEVER BROTHERS LTD·Filed 1980·Granted Nov 16, 1982·321 cites·9 claims
- 0260US4212645AHair dyeing composition containing an aryldiamine and a substituted catecholLEVER BROTHERS LTD·Filed 1978·Granted Jul 15, 1980·15 cites·5 claims
- 0340US3966397ADyeing keratinous fibersLEVER BROTHERS LTD·Filed 1973·Granted Jun 29, 1976·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →