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Official data from INPI

PROCESSO PARA CONCENTRAR SOLUÇÕES AQUOSAS E ÁLCOOIS, E UTILIZAÇÃO DE UMA MEMBRANA DE CARBAMATO DE CELULOSE.

Em AnáliseInvention Patent

Application data

Number

PI8702463

Type

Invention Patent

Filing

05/13/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/13/87
  2. Publication02/23/88
  3. Abandoned02/21/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neste Oy

FI

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Inventors

A. A. (pessoa física)

FI

J. S. (pessoa física)

FI

J. S. (pessoa física)

FI

K. S. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

862028 · 05/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Arquivamento - Art. 36 §1° da LPI

#11.2

03/01/1994

RPI 1213

Exigência - art. 36 da LPI

#6.1

07/13/1993

RPI 1180

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