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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA MISTURA DE HIDROCARBONETOS E MISTURA DE HIDROCARBONETOS OBTIDAS PELO MESMO.

ConcedidaInvention Patent

Application data

Number

PI8004880

Type

Invention Patent

Filing

08/04/1980

Publication

-

Progress at the INPI

  1. Filing08/04/80
  2. Publication
  3. Examination04/19/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated09/25/90

The patent was granted on 05/28/1985 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: 05/28/1985. 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

S. L. (pessoa física)

S. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

04/19/1983

RPI 652

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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