Washington Luiz Mafra

Follow

Person

Guarapari - ES, BR

People

Patents Grantslast 30 patents

Information Patent Grant
Process to produce manganese pellets from non-calcinated manganese...
- Patent number 9,181,601
- Issue date Nov 10, 2015
- Vale S.A.
- Washington Luiz Mafra
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS TO PRODUCE MANGANESE PELLETS FROM NON-CALCINATED MANGANESE...
- Publication number 20120103134
- Publication date May 3, 2012
- VALE S.A.
- Washington Luiz Mafra
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...