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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE CARBONATOS DE METAIS ALCALINOS

Em AnáliseInvention Patent

Application data

Number

PI9000759

Type

Invention Patent

Filing

02/19/1990

Publication

10/15/1991

Progress at the INPI

  1. Filing02/19/90
  2. Publication10/15/91
  3. Examination01/11/94
  4. Allowance
  5. Grant
  6. In force

Published on 10/15/1991, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

DE

Inventors

J. B. (pessoa física)

R. M. (pessoa física)

U. H. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

01/11/1994

RPI 1206

Publicação do pedido de patente

#3.1

10/15/1991

RPI 1089

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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