Inventor · disambiguated record
John D. Hildreth
Also filed as: HILDRETH JOHN D · HILDRETH JOHN DAVID
4 granted patents·21 citations·filing 1975–1980
71Inventor score
Top patents by PatentIndex Score
4 records- 0174US4256671AProduction of 2,4- and 2,6-diaminotoluenesCLAYTON ANILINE CO LTD·Filed 1979·Granted Mar 17, 1981·14 cites·7 claims
- 0247US4111649ADyestuff preparations and processes for their productionCIBA GEIGY AG·Filed 1975·Granted Sep 5, 1978·4 cites·10 claims
- 0339US4266939AComposition of 4-amino-4'-nitrostilbene-2,2'-disulphonic acid diazo compounds and coloring processCIBA GEIGY CORP·Filed 1979·Granted May 12, 1981·2 cites·6 claims
- 0432US4299779ACatalytic reduction of 2-nitronaphthalene-4,8-disulfonic acid ammonium saltCLAYTON ANILINE CO LTD·Filed 1980·Granted Nov 10, 1981·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →