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Official data from INPI

PROCESSO DE CRAQUEAMENTO CATALÍTICO DE ÓLEOS DE HIDROCARBONETOS E CATALISADOR PARA ESTE PROCESSO

ConcedidaInvention Patent

Application data

Number

PI7901042

Type

Invention Patent

Filing

02/19/1979

Publication

-

Progress at the INPI

  1. Filing02/19/79
  2. Publication
  3. Examination11/03/81
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Terminated01/28/92

The patent was granted on 04/24/1984 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: 04/24/1984. 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. P. (pessoa física)

FR

E. N. (pessoa física)

FR

R. C. (pessoa física)

FR

Technical data

Priority claims

FR

7804719 · 02/20/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

6.2

06/22/1982

RPI 609

Pedido de certificado de adição de invenção

#5.1

04/20/1982

RPI 600

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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