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Official data from INPI

SISTEMA SOLVENTE PARA USO EM POLIMERIZACAO EM SOLUCAO DE POLIAMIDAS AROMATICAS,SISTEMA DE POLIMERIZACAO E PROCESSO PARA PREPARAR POLIAMIDA AROMATICA DE POLI-P-FENILENO TEREFTALAMIDA

Em AnáliseInvention Patent

Application data

Number

PI8700155

Type

Invention Patent

Filing

01/17/1986

Publication

12/01/1987

Progress at the INPI

  1. Filing01/17/86
  2. Publication12/01/87
  3. Examination07/05/88
  4. Allowance
  5. Grant
  6. In force

Published on 12/01/1987, 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

H. D. (pessoa física)

L. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/19/1987

RPI 865

Retificação

#15.3

10/23/1990

RPI 1038

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