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Official data from INPI

COMPOSIÇÃO DE COPOLÍMERO EM BLOCO, PROCESSO PARA SUA PREPARAÇÃO E ARTIGO QUE A CONTÉM

Em AnáliseInvention PatentPCT · EP1988000037

Application data

Number

PI8807423

Type

Invention Patent

Filing

01/19/1988

Publication

05/22/1990

PCT

EP1988000037

Progress at the INPI

  1. Filing01/19/88
  2. Publication05/22/90
  3. Examination09/10/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/22/1990, 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: 02/22/1994. 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

H. O. (pessoa física)

JP

T. M. (pessoa física)

JP

Y. I. (pessoa física)

JP

Y. T. (pessoa física)

JP

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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