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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSIÇÕES DE POLÍMERO CONTENDO POLI(AROMÁTICO SUBSTITUÍDO COM ALQUENILA).

ArquivadaInvention Patent
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Application data

Number

PI9002977

Type

Invention Patent

Filing

06/25/1990

Publication

08/20/1991
View on INPI

Progress at the INPI

  1. Filing06/25/90
  2. Publication08/20/91
  3. Examination08/17/93
  4. Allowance04/06/99
  5. Abandoned
  6. In force

The application was allowed on 04/06/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 04/11/2000. 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

G. K. (pessoa física)

NL

J. Z. (pessoa física)

NL

L. N. (pessoa física)

NL

Technical data

IPC Classification

C08L 65/02

Priority claims

GB

8914470.3 · 06/23/1989

GB

9001975.3 · 01/29/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Artigo 38 & 2º da LPI.

04/11/2000

RPI 1527

6.9

Referente a RPI 1432 de 02/06/98.

04/06/1999

RPI 1474

Deferimento

#9.1

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

06/02/1998

RPI 1432

Exigência - art. 36 da LPI

#6.1

03/26/1996

RPI 1321

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

11/20/1990

RPI 1042

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