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Official data from INPI

PROCESSO PARA PRODUCAO DE PAPEL E APARELHO PARA A DESLIGNIFICACAO ALCALINA DE MATERIAIS FIBROSOS LIGNO-CELULOSICOS

Em AnáliseInvention Patent

Application data

Number

PI8605554

Type

Invention Patent

Filing

02/14/1985

Publication

04/22/1987

Progress at the INPI

  1. Filing02/14/85
  2. Publication04/22/87
  3. Examination10/11/88
  4. Allowance
  5. Grant
  6. In force

Published on 04/22/1987, 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ELTON EDWARD FRANCIS [US]

Inventors

E. [. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Notificação de entrada na fase nacional - PCT

#1.3

04/22/1987

RPI 861

Retificação

#15.3

12/03/1991

RPI 1096

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