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Official data from INPI

PROCESSO PARA O CRAQUEAMENTO CATALÍTICO, FLUIDO, DE UMA CARGA DE HIDROCARBONETOS

ConcedidaInvention Patent

Application data

Number

PI8203597

Type

Invention Patent

Filing

06/21/1982

Publication

06/14/1983

Progress at the INPI

  1. Filing06/21/82
  2. Publication06/14/83
  3. Examination08/06/85
  4. Allowance05/31/88
  5. Grant08/29/89
  6. Terminated02/11/92

The patent was granted on 08/29/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. 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. G. (pessoa física)

NL

J. M. (pessoa física)

NL

M. S. (pessoa física)

NL

P. O. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8119375 · 06/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

110

05/30/1989

RPI 971

Recurso

#12.1

10/18/1988

RPI 939

Deferimento

#9.1

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

04/15/1986

RPI 808

Pedido de certificado de adição de invenção

#5.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

06/14/1983

RPI 660

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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