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Official data from INPI

PROCESSO PARA REDUZIR O TEOR DE CARBAMATO EM PRODUTOS FEITOS DE CARBAMATO DE CELULOSE, E PRODUTOS FEITOS DE CARBAMATO DE CELULOSE

PublicadaInvention Patent

Application data

Number

PI8803362

Type

Invention Patent

Filing

07/06/1988

Publication

01/31/1989

Progress at the INPI

  1. Filing07/06/88
  2. Publication01/31/89
  3. Examination12/04/90
  4. Allowance
  5. Grant
  6. In force

Published on 01/31/1989, 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neste Oy

FI

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Inventors

J. F. (pessoa física)

J. S. (pessoa física)

K. M. (pessoa física)

L. M. (pessoa física)

O. T. (pessoa física)

V. E. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

872992 · 07/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Retificação

#15.3

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

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