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Official data from INPI

MISTURA EXTRAENTE FLUÍDA, E, PROCESSO, E APARELHAGEM, PARA SEPARAR UM SOLUTO LÍQUIDO DE HIDROCARBONETO OXIGENADO DE UMA MISTURA AQUOSA. (EXTRAÇÃO COM CO2 LÍQUIDO/CO-SOLVENTE).

Em AnáliseInvention Patent

Application data

Number

PI8506616

Type

Invention Patent

Filing

04/16/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/16/85
  2. Publication04/15/86
  3. Examination08/19/86
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated08/15/95

The patent was granted on 11/26/1991 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: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Critical Fluid Systems, Inc.

Inventors

J. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

603.563 · 04/25/1984

US

PCT/85/00671 · 04/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.4

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

06/19/1990

RPI 1023

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