Official data from INPI

PROCESSO DE FLOTACAO POR ESPUMA

Em AnáliseInvention Patent

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Application data

Number

PI7704687

Type

Invention Patent

Filing

09/13/1976

Publication

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Progress at the INPI

Filing09/13/76
Publication
Examination
Allowance01/26/82
Grant
Terminated01/21/92

The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ASHLAND OIL INC

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Deferimento

#9.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

From the same holder

COMPOSICAO AGLUTINANTE E PROCESSO PARA FORMAR E FUNDIR ARTIGOS DE METAIS LEVES COMPOSICAO AGLUTINANTE E PROCESSO PARA FORMAR E FUNDIR ARTIGOS DE METAIS LEVES COMPOSICAO AGLUTINANTE E PROCESSOS DE PREPARACAO COMPOSTO DE 8-HIDROXIQUINOLINA SUBSTITUIDA E PROCESSO PARA A SUA PREPARACAO COMPOSICAO DETERGENTE DE BAIXA IRRITACAO COMPOSICAO DE MOLDAGEM,PROCESSO PARA MOLDAR ARTIGOS,ARTIGO MOLDADO E PROCESSO PARA PREPARAR PRODUTOS DE FUNDICAO CONFORMADOS PROCESSO PARA PREPARAR VASOS DE FLORES E VASOS DE FLORES RESULTANTE COMPOSICAO AGLUTINANTE,COMPOSICAO DE MOLDAGEM,PROCESSO PARA A FABRICACAO DE FORMAS DE FUNDICAO E PROCESSO DE FUNDICAO EM MOLDE

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