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Official data from INPI

PROCESSO DE TRATAMENTO DE MATÉRIAS VEGETAIS LIGNO-CELULÓSICAS PARA PRODUZIR PARTICULARMENTE FURFURAL; INSTALAÇÃO PARA A REALIZAÇÃO DO PROCESSO

PublicadaInvention Patent

Application data

Number

PI8701663

Type

Invention Patent

Filing

04/08/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/08/87
  2. Publication02/09/88
  3. Examination08/07/90
  4. Allowance
  5. Grant
  6. In force

Published on 02/09/1988, 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Française D'Etudes Et De Construction "Technip"

FR

Inventors

G. G. (pessoa física)

FR

J. F. (pessoa física)

FR

S. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 08 448 · 06/11/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 307/50; A23K 1/14.

03/27/2018

RPI 2464

Retificação

#15.3

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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