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Official data from INPI

PRE-TRATAMENTO A ALTA TEMPERATURA POR MEIO DE UMA SOLUCAO AQUOSA ALCALINA DE MINERIOS TENDO GANGA ARGILOSA CONTENDO PELO MENOS UM ELEMENTO VALORIZAVEL

Em AnáliseInvention Patent

Application data

Number

PI8406500

Type

Invention Patent

Filing

04/27/1983

Publication

03/12/1985

Progress at the INPI

  1. Filing04/27/83
  2. Publication03/12/85
  3. Examination06/16/87
  4. Allowance
  5. Grant
  6. In force

Published on 03/12/1985, 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PECHINEY URANIUM [FR]

Inventors

L. [. (pessoa física)

P. [. (pessoa física)

P. (pessoa física)

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

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