Inventor · disambiguated record
Marco Olper
Also filed as: OLPER MARCO
15 granted patents·1 pending application·258 citations·filing 1987–2008
93Inventor score
Top patents by PatentIndex Score
16 records- 0190US4769116AHydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteriesENGITEC IMPIANTI·Filed 1987·Granted Sep 6, 1988·73 cites·8 claims
- 0289US7498012B2Desulfurization process of pastel and grids of lead accumulatorsENGITEC S R L·Filed 2005·Granted Mar 3, 2009·15 cites·15 claims
- 0386US4927510AHydrometallurgical process for recovering in pure metal form all the lead contained in the active mass of exhausted batteriesENGITEC IMPIANTI·Filed 1988·Granted May 22, 1990·45 cites·5 claims
- 0484US8409421B2Process for producing metallic lead starting from desulfurized pastelMACCAGNI MASSIMO·Filed 2008·Granted Apr 2, 2013·13 cites·26 claims
- 0565US5750019AProcess for hydrometallurgic and electrochemical treatment of sulfur antimony ores with production of electrolytic antimony and elemental sulfurENGITEC SPA·Filed 1997·Granted May 12, 1998·20 cites·5 claims
- 0662US5039337AProcess for producing electrolytic lead and elemental sulfur from galenaENGITEC IMPIANTI·Filed 1990·Granted Aug 13, 1991·15 cites·8 claims
- 0754US5277777AInsoluble anode for electrolyses in aqueous solutionsBUS ENGITEC SERV AMBIENTALI·Filed 1991·Granted Jan 11, 1994·10 cites·11 claims
- 0850US5441609AProcess for continuous electrochemical lead refiningBUS ENGITEC SERV AMBIENTALI·Filed 1993·Granted Aug 15, 1995·8 cites·15 claims
- 0945US5106466AProcess for the integral recovery of the sulphur contained in spent lead batteries, obtained in the form of pure sulphuric acid for reuse in the production of new batteriesBUS ENGITEC SERV AMBIENTALI·Filed 1991·Granted Apr 21, 1992·16 cites·9 claims
- 1044US5879830AProcess for regenerating sodium sulphide from the sodium sulphate which forms in treating lead paste from exhausted batteriesECOCHEM AG·Filed 1997·Granted Mar 9, 1999·16 cites·3 claims
- 1141US7604785B2Process for the recovery of elemental sulphur from residues produced in hydrometallurgical processesENGITEC TECHNOLOGIES S P A·Filed 2007·Granted Oct 20, 2009·0 cites·12 claims
- 1240US2004179985A1Process for recovering metals, in particular precious metals, from electronic scrapFiled 2004·Application pending·0 cites
- 1339US5618507AProcess for removing SO2 from gases which contain it, with direct production of elemental sulfurENGITEC SPA·Filed 1996·Granted Apr 8, 1997·11 cites·7 claims
- 1434US5030520AElectrical conductor, in particular suitable for use as an insoluble anode in electrowinning processes, and in electrochemical processes in general, and process for producing itENGITEC IMPIANTI·Filed 1989·Granted Jul 9, 1991·6 cites·18 claims
- 1531US5013356AProcess for the processing of slag from aluminium scrap and waste melting, recovery of components thereof and treatment of gasses generatedENGITEC IMPIANTI·Filed 1990·Granted May 7, 1991·2 cites·5 claims
- 1628US5672181AMethod for manufacturing a hardened lead storage battery electrodeWARLIMONT HANS·Filed 1995·Granted Sep 30, 1997·8 cites·31 claims
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