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Official data from INPI

Processo einstalação de descoloração de filtrado cáustico em uma unidade de branqueamento de celulose.

Em AnáliseInvention Patent

Application data

Number

PI8603156

Type

Invention Patent

Filing

07/07/1986

Publication

10/14/1986

Progress at the INPI

  1. Filing07/07/86
  2. Publication10/14/86
  3. Examination12/30/86
  4. Allowance
  5. Grant
  6. In force

Published on 10/14/1986, 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Champion Papel e Celulose Ltda

SP, BR

Inventors

C. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/30/1986

RPI 845

Publicação antecipada

#3.2

10/14/1986

RPI 834

Pedido de patente depositado

#2.1

10/07/1986

RPI 833

Retificação

#15.3

12/03/1991

RPI 1096

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