(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO DE DESCARBONATAÇÃO E DESGASOLINIZAÇÃO SIMULTÂNEAS DE UMA MISTURA GASOSA.

Arquivada/ExtintaInvention PatentPCT · FR1989000584

Application data

Number

PI8907193

Type

Invention Patent

Filing

11/14/1989

Publication

03/05/1991

PCT

FR1989000584

Progress at the INPI

  1. Filing11/14/89
  2. Publication03/05/91
  3. Examination09/10/91
  4. Allowance08/11/98
  5. Grant12/29/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societe Nationale Elf Aquitaine (Production)

FR

See this company's full portfolio

Inventors

C. B. (pessoa física)

FR

H. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88/14784 · 11/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/11/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

08/11/1998

RPI 1442

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

Notificação de entrada na fase nacional - PCT

#1.3

03/05/1991

RPI 1057

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.