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Invention PatentPI9201641

PROCESSO DE ACELERAÇÃO DA TAXA NATURAL DE LIXIVIAÇÃO DE PILHAS E DE MONTES DE MINÉRIOS

S.A. Mineração da Trindade - SAMITRI

Em AnáliseIPC C22B 3/04

Progress at the INPI

  1. Filing04/28/92

The application was filed at the INPI on 04/28/1992. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 04/30/1996. We update with every new RPI gazette, published weekly.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

04/30/1996

RPI 1326

Anulação de numeração

15.21

12/27/1994

RPI 1256

15.17

04/12/1994

RPI 1219

15.13