Inventor · disambiguated record
Somanahalli N. Subbanna
Also filed as: FRICK DOUGLAS G · SUBBANNA SOMANAHALLI N · SUBBANNA SOMANAHALLI NARANAPPA
5 granted patents·1 pending application·65 citations·filing 1977–2000
81Inventor score
Top patents by PatentIndex Score
6 records- 0171US4929435AManufacture of high purity low arsenic anhydrous hydrogen fluorideALLIED SIGNAL INC·Filed 1988·Granted May 29, 1990·22 cites·20 claims
- 0259US4244925AMethod for production of alkali metal chromates from chrome oresALLIED CHEM·Filed 1979·Granted Jan 13, 1981·9 cites·23 claims
- 0357US5449503AProcess for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acidsALLIED SIGNAL INC·Filed 1994·Granted Sep 12, 1995·15 cites·25 claims
- 0455US4162295AMethod for production of alkali metal chromates from chrome oresALLIED CHEM·Filed 1977·Granted Jul 24, 1979·8 cites·14 claims
- 0550US5089241AProcess for converting hexafluoroarsenic acid or any salt thereof to arsenic acid or salt thereof which can then be rendered nonhazardousALLIED SIGNAL INC·Filed 1990·Granted Feb 18, 1992·11 cites·51 claims
- 0631US2001022957A1Purification of hydrogen fluorideFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →