Inventor · disambiguated record
Stephen J. Hannam
Also filed as: HANNAM STEPHEN J
3 granted patents·7 citations·filing 1974–1982
59Inventor score
Top patents by PatentIndex Score
3 records- 0155US4356321AProduction of N,N,N',N'-tetraacetylethylenediamineWARWICK CHEMICAL LIMITED·Filed 1982·Granted Oct 26, 1982·6 cites·9 claims
- 0223US4354042AProcess for making N,N,N',N'-tetraacetylethylenediamineWARWICK CHEMICAL LIMITED·Filed 1980·Granted Oct 12, 1982·1 cites·17 claims
- 0321US3950386ACyclic compounds synthesisSUN CHEMICAL CORP·Filed 1974·Granted Apr 13, 1976·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →