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Official data from INPI

PROCESSO DE ELIMINACAO ELETRO-QUIMICA DE NIQUEL,DE ANTIMONIO,DE ARSENICO E DE ESTANHO CONTIDOS EM UMA SOLUCAO DE CLORETO DE CHUMBO

Em AnáliseInvention Patent

Application data

Number

PI8400176

Type

Invention Patent

Filing

01/14/1983

Publication

08/21/1984

Progress at the INPI

  1. Filing01/14/83
  2. Publication08/21/84
  3. Examination02/20/85
  4. Allowance
  5. Grant
  6. In force

Published on 08/21/1984, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PENARROYA MINIERE METALL [FR]

Inventors

B. D. (pessoa física)

B. H. (pessoa física)

P. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

06/06/1989

RPI 972

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

08/21/1984

RPI 722

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

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