Roman Berezowsky

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St. Albert, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for reducing arsenic content in arsenic-bearing gold material
- Patent number 11,155,894
- Issue date Oct 26, 2021
- Eldorado Gold Corporation
- Roman Berezowsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering metals from complex metal sulfides
- Patent number 8,221,710
- Issue date Jul 17, 2012
- Sherritt International Corporation
- John Stiksma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separating and recovering base metals from used hydropr...
- Patent number 7,846,404
- Issue date Dec 7, 2010
- Chevron U.S.A. Inc.
- Rahul S. Bhaduri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separating and recovering base metals from used hydropr...
- Patent number 7,837,960
- Issue date Nov 23, 2010
- Chevron U.S.A. Inc.
- Rahul S. Bhaduri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
HYDROMETALLURGICAL METHOD FOR SILVER RECOVERY
- Publication number 20180265947
- Publication date Sep 20, 2018
- Eldorado Gold Corporation
- Roman BEREZOWSKY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR REDUCING ARSENIC CONTENT IN ARSENIC-BEARING GOLD MATERIAL
- Publication number 20180258510
- Publication date Sep 13, 2018
- Eldorado Gold Corporation
- Roman BEREZOWSKY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERING METALS FROM COMPLEX METAL SULFIDES
- Publication number 20100199807
- Publication date Aug 12, 2010
- John Stiksma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...