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Official data from INPI

COMPOSIÇÃO COMPREENDENDO UM COPOLÍMERO EM BLOCO DE COMPOSTO VINIL AROMÁTICO-DIENO CONJUGADO, ARTIGO E PROCESSO PARA A PREPARAÇÃO DA MESMA

IndeferidaInvention PatentPCT · EP1988000079

Application data

Number

PI8807462

Type

Invention Patent

Filing

02/01/1988

Publication

05/22/1990

PCT

EP1988000079

Progress at the INPI

Under appeal
  1. Filing02/01/88
  2. Publication05/22/90
  3. Examination10/01/91
  4. Refused04/27/99
  5. Grant
  6. In force

The application was refused by the INPI on 04/27/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/27/1999. 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. I. (pessoa física)

JP

M. N. (pessoa física)

JP

T. M. (pessoa física)

JP

T. S. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido com base nos Artigos n°s 37, 8 e 13 da LPI 9279/96.

04/27/1999

RPI 1477

Conhecimento de parecer técnico

#7.1

03/10/1998

RPI 1420

Solicitação de exame técnico

#4.1

10/01/1991

RPI 1087

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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