Inventor · disambiguated record
Harald D. Ottertun
Also filed as: OTTERTUN HARALD · OTTERTUN HARALD D · OTTERTUN HARALD DANIEL
8 granted patents·201 citations·filing 1975–2008
88Inventor score
Files withMX PROCESSER REINHARDT3MX PROCESSOR REINHARDT & CO AB2BEROL KEMI AB1JUNGNER AB NIFE1OTTERTUN HARALD1
Top patents by PatentIndex Score
8 records- 0194US4124462ARecovering zinc from a material containing zinc and ironMX PROCESSER REINHARDT·Filed 1977·Granted Nov 7, 1978·54 cites·7 claims
- 0293US3966569AMethod of recovering metal from metalliferous wasteMX PROCESSOR REINHARDT & CO AB·Filed 1975·Granted Jun 29, 1976·54 cites·8 claims
- 0384US4252621AProcess of regenerating an ammoniacal etching solutionMX PROCESSER REINHARDT·Filed 1979·Granted Feb 24, 1981·25 cites·8 claims
- 0483US4226791AMethod and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extractionBEROL KEMI AB·Filed 1978·Granted Oct 7, 1980·22 cites·11 claims
- 0574US4350667AExtraction of copper from an ammoniacal copper solutionMX PROCESSOR REINHARDT & CO AB·Filed 1981·Granted Sep 21, 1982·16 cites·3 claims
- 0674US4105743ASelectively extracting copper, zinc, nickel from a mixture of metal hydroxidesMX PROCESSER REINHARDT·Filed 1977·Granted Aug 8, 1978·16 cites·2 claims
- 0758US4053553AMethod for selective recovery of cadmium from cadmium-bearing wasteJUNGNER AB NIFE·Filed 1976·Granted Oct 11, 1977·13 cites·6 claims
- 0854US8236189B2Method for etching copper and recovery of the spent etching solutionOTTERTUN HARALD·Filed 2008·Granted Aug 7, 2012·1 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Harald D. Ottertun files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →