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Official data from INPI

COMPOSIÇÕES POLÍMERAS E ARTIGOS MOLDADOS

Prazo de SigiloInvention Patent

Application data

Number

PI8900731

Type

Invention Patent

Filing

02/20/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing02/20/89
  2. Publication10/02/90
  3. Examination01/12/93
  4. Allowance
  5. Grant
  6. In force

Published on 10/02/1990, 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: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

J. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Retificação

#15.3

09/12/1995

RPI 1293

Solicitação de exame técnico

#4.1

01/12/1993

RPI 1154

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

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