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#18.2
10/23/1990
RPI 1038
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Official data from INPI
PROCESSO PARA BENEFICIAMENTO DE MINERIOS DE TITANIO
Em AnáliseInvention Patent
Progress at the INPI
- Filing07/09/76
- Publication
- Examination
- Allowance
- Grant
- Terminated10/23/90
The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/23/1990. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
VALE DO RIO DOCE CO
Inventors
M. G. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Related
From the same holder
PROCESSO PARA LIXIVIACAO DE MINERIO DE ANATASIO COM ACIDO FLUORIDRICOPROCESSO PARA LIXIVIACAO CONTINUA DE MINERIO EM CONTRA-CORRENTE E APARELHAGEM PARA SUA EXECUCAOPROCESSO DE CONCENTRACAO DE MINERIO DE FERRO POR FLUTUACAO CATIONICAPROCESSO DE CONCENTRACAO DE MINERIO DE FERRO POR FLUTUACAO CATIONICA E ANIONICAPROCESSO DE REMOCAO DE IMPUREZAS DE MINERIOS DE FERRO POR FLOCULACAO SELETIVA
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