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Official data from INPI

PROCESSO E INSTALAÇÃO PARA A RECUPERAÇÃO DOS HIDROCARBONETOS MAIS PESADOS DE UMA MISTURA GASOSA

Em AnáliseInvention Patent

Application data

Number

PI8407254

Type

Invention Patent

Filing

12/26/1984

Publication

12/24/1985

Progress at the INPI

  1. Filing12/26/84
  2. Publication12/24/85
  3. Examination10/06/87
  4. Allowance11/27/90
  5. Grant05/28/91
  6. Terminated07/04/95

The patent was granted on 05/28/1991 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: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L'Air Liquide-Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude

FR

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Inventors

P. G. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

83 21.062 · 12/30/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

12/24/1985

RPI 792

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

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