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Official data from INPI

PROCESSO PARA REMOÇÃO DE URÂNIO DE UM AGENTE DE EXTRAÇÃO ORGÂNICO E PROCESSO PARA RECUPERAÇÃO DE URÂNIO A PARTIR DE ÁCIDO FOSFÓRICO DE PROCESSO ÚMIDO

Em AnáliseInvention Patent

Application data

Number

PI8200993

Type

Invention Patent

Filing

02/25/1982

Publication

01/04/1983

Progress at the INPI

  1. Filing02/25/82
  2. Publication01/04/83
  3. Examination02/20/85
  4. Allowance
  5. Grant
  6. In force

Published on 01/04/1983, 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: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prodeco INC

US

Inventors

A. M. (pessoa física)

US

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

238.555 · 02/26/1981

US

267.672 · 05/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

01/04/1983

RPI 637

Pedido de patente depositado

#2.1

04/13/1982

RPI 599

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