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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE ÉSTERES DE POLIFENILENO MODIFICADOS OU POLÍMEROS ESTRUTURALMENTE CORRELATOS, ÉTERES DE POLIFENILENO MODIFICADOS, PROCESSO PARA FABRICAÇÃO DE COMPOSIÇÕES POLI-(AROMÁTICOS SUBSTITUÍDOS COM VINILA) E COMPOSIÇÕES

ArquivadaInvention Patent

Application data

Number

PI9001587

Type

Invention Patent

Filing

04/05/1990

Publication

05/07/1991

Progress at the INPI

  1. Filing04/05/90
  2. Publication05/07/91
  3. Abandoned06/22/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/06/1999. 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. T. (pessoa física)

J. Z. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8907833.1 · 04/07/1989

GB

8927869.1 · 12/08/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

Solicitação de exame técnico

#4.1

06/22/1993

RPI 1177

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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