Silvano Cossali

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Ponte Nossa (Bergamo), IT

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing metallic lead starting from desulfurized pastel
- Patent number 8,409,421
- Issue date Apr 2, 2013
- Engitec Technologies S.p.A.
- Marco Olper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of elemental sulphur from residues produce...
- Patent number 7,604,785
- Issue date Oct 20, 2009
- Engitec Technologies S.p.A.
- Marco Olper
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Desulfurization process of pastel and grids of lead accumulators
- Patent number 7,498,012
- Issue date Mar 3, 2009
- ENGITEC S.r.l.
- Marco Olper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for regenerating sodium sulphide from the sodium sulphate w...
- Patent number 5,879,830
- Issue date Mar 9, 1999
- Ecochem Aktiengesellschaft
- Marco Olper
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING METALLIC LEAD STARTING FROM DESULFURIZED PASTEL
- Publication number 20110083970
- Publication date Apr 14, 2011
- ENGITEC TECHNOLOGIES S.p.A.
- Marco Olper
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process for the recovery of elemental sulphur from residues produce...
- Publication number 20070274902
- Publication date Nov 29, 2007
- ENGITEC TECHNOLOGIES S.p.A
- Marco Olper
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Desulfurization process of pastel and grids of lead accumulators
- Publication number 20060018819
- Publication date Jan 26, 2006
- ENGITECH S.r.I.
- Marco Olper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for recovering metals, in particular precious metals, from...
- Publication number 20040179985
- Publication date Sep 16, 2004
- Marco Olper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...