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Official data from INPI

SISTEMA DE CATALISADOR ÚTIL NA HOMOPOLIMERIZAÇÃO DE PROPILENO OU COPOLIMERIZAÇÃO, COMPONENTE CATALISADOR SÓLIDO, POLÍMEROS E COPOLÍMEROS DE PROPILENO, E PROCESSO PARA A PRODUÇÃO DE POLÍMEROS

Em AnáliseInvention Patent

Application data

Number

PI9003100

Type

Invention Patent

Filing

07/02/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/02/90
  2. Publication08/27/91
  3. Examination08/03/93
  4. Allowance
  5. Grant
  6. In force

Published on 08/27/1991, 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: 01/09/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Q. C. (pessoa física)

US

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Inventors

C. M. (pessoa física)

T. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

374,660 · 06/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/09/1996

RPI 1310

Solicitação de exame técnico

#4.1

08/03/1993

RPI 1183

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

12/18/1990

RPI 1046

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