Inventor · disambiguated record
Dennis W. Darnall
Also filed as: DARNALL DENNIS W
5 granted patents·129 citations·filing 1985–1991
83Inventor score
Files withBIO RECOVERY SYSTEMS INC5
Top patents by PatentIndex Score
5 records- 0181US5055402ARemoval of metal ions with immobilized metal ion-binding microorganismsBIO RECOVERY SYSTEMS INC·Filed 1989·Granted Oct 8, 1991·56 cites·139 claims
- 0280US4992207AComposition for extraction of metal ions and oxanionsBIO RECOVERY SYSTEMS INC·Filed 1985·Granted Feb 12, 1991·29 cites·4 claims
- 0357US5176886ARapid, ambient-temperature process for stripping gold bound to activated carbonBIO RECOVERY SYSTEMS INC·Filed 1991·Granted Jan 5, 1993·10 cites·18 claims
- 0453US5108615AMethod for recovery of a metal ion from electroless plating solutionsBIO RECOVERY SYSTEMS INC·Filed 1989·Granted Apr 28, 1992·19 cites·24 claims
- 0550US5178746AMethod for purification of trivalent chromium electroplating bathsBIO RECOVERY SYSTEMS INC·Filed 1990·Granted Jan 12, 1993·15 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →