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Official data from INPI

PROCESSO PARA A COPRODUÇÃO DE ÁCIDOS CARBOXÍLICOS DE FÓRMULAS GERAIS R1-COOH ER2-COOH E ÉSTERES DE ÁCIDOS CARBOXÍLICOS, E SISTEMA CATALITICO

Em AnáliseInvention Patent

Application data

Number

PI8008352

Type

Invention Patent

Filing

12/19/1980

Publication

-

Progress at the INPI

  1. Filing12/19/80
  2. Publication
  3. Examination09/20/83
  4. Allowance12/26/84
  5. Grant01/14/86
  6. Terminated11/16/88

The patent was granted on 01/14/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

D. E. (pessoa física)

Technical data

Priority claims

GB

7944173 · 12/21/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

01/14/1986

RPI 795

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

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