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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CATALISADOR CONTENDO PRATA E RESPECTIVO CATALISADOR.

PublicadaInvention Patent

Application data

Number

PI8703874

Type

Invention Patent

Filing

07/27/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/27/87
  2. Publication03/29/88
  3. Abandoned06/26/90
  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: 03/29/1988. 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. B. (pessoa física)

NL

Technical data

Priority claims

GB

8618325 · 07/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Arquivamento por falta de pagamento

#8.6

Referente a 10ª, 11ª e 12ª anuidade

03/21/2000

RPI 1524

8.1

Referente a 10ª e 11ª anuidade

12/01/1998

RPI 1456

Pedido de certificado de adição de invenção

#5.1

10/23/1990

RPI 1038

Solicitação de exame técnico

#4.1

06/26/1990

RPI 1024

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