Inventor · disambiguated record
Richard H. Dumas
Also filed as: DUMAS RICHARD · DUMAS RICHARD H
4 granted patents·2 pending applications·68 citations·filing 1983–2013
72Inventor score
Top patents by PatentIndex Score
6 records- 0181US6017936AMethod for producing particles of pyrithione salts and particles so producedARCH CHEM INC·Filed 1998·Granted Jan 25, 2000·53 cites·27 claims
- 0281US4504667AProcess for oxidizing halopyridines to halopyridine-N-oxidesOLIN CORP·Filed 1983·Granted Mar 12, 1985·15 cites·11 claims
- 0348US2011123587A1Antimicrobial protection for plastic structuresSANDEL BONNIE B·Filed 2011·Application pending·0 cites
- 0445US2005112339A1Antimicrobial protection for plastic structuresFiled 2003·Application pending·0 cites
- 0544US9079857B2Process for preparing alkali metal pyrithione and its polyvalent metal complexes from pyridine oxideARCH CHEM INC·Filed 2013·Granted Jul 14, 2015·0 cites·22 claims
- 0629US5468864AProcess for preparing 2,6-dichloropyridineOLIN CORP·Filed 1994·Granted Nov 21, 1995·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →