Companhia Brasileira de Metalurgia e Mineracao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Companhia Brasileira de Metalurgia e Mineracao.The latest application filed is for "processes for refining niobium-based ferroalloys".

Company Profile

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Companhia Brasileira de Metalurgia e Mineracao - State of Minas Gerais BR
Companhia Brasileira de Metalurgia e Mineracao - Araxa N/A BR
COMPANHIA BRASILEIRA DE METALURGIA E MINERACAO - Sao Paulo BR
COMPANHIA BRASILEIRA DE METALURGIA E MINERACAO - Rua Pequetita, 111, Vila Olimpia Sao Paulo, SP BR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products Grant 11,230,751 - Sernik , et al. January 25, 2	2022-01-25
Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys Grant 11,124,861 - Sernik September 21, 2	2021-09-21
Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys Grant 11,091,822 - Sernik August 17, 2	2021-08-17
Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys Grant 11,060,168 - Sernik July 13, 2	2021-07-13
Process for refining niobium-based ferroalloys Grant 10,563,289 - Sernik , et al. Feb	2020-02-18
Processes For Refining Niobium-based Ferroalloys App 20190003012 - Sernik; Kleber A. ; et al.	2019-01-03
Processes For Producing Low Nitrogen Metallic Chromium And Chromium-containing Alloys And The Resulting Products App 20190003013 - Sernik; Kleber A. ; et al.	2019-01-03
Processes For Refining Niobium-based Ferroalloys App 20190003011 - Sernik; Kleber A. ; et al.	2019-01-03
Processes For Producing Thicker Gage Products Of Niobium Microalloyed Steel App 20180327882 - Subramanian; Sundaresa Venkata	2018-11-15
Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products Grant 10,041,146 - Sernik , et al. August 7, 2	2018-08-07
Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys Grant 9,771,634 - Sernik September 26, 2	2017-09-26
Production process of biodiesel from the esterification of free faty acids App 20070232817 - Pereira; Antonio Telhado ; et al.	2007-10-04
Process for the production of niobium oxide powder for use in capacitors App 20060275204 - Tagusagawa; Solon Yasuhiko ; et al.	2006-12-07
Glass compositions for the production of lead-free crystals App 20060240970 - Pereira; Antonio Telhado ; et al.	2006-10-26

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