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Official data from INPI

PROCESSOS PARA A PREPARAÇÃO DE EXTRUDADOS E DE CATALISADORES, E EXTRUDADOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005787

Type

Invention Patent

Filing

11/14/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/14/90
  2. Publication09/24/91
  3. Abandoned09/21/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/18/2000. 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

A. D. (pessoa física)

D. R. (pessoa física)

J. D. (pessoa física)

P. B. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8925979.0 · 11/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente a 7ª, 8ª e 9ª anuidade

04/18/2000

RPI 1528

8.1

Referente a 7ª e 8ª anuidade

12/22/1998

RPI 1459

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

04/30/1991

RPI 1065

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