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Official data from INPI

MISTURA CATALISADORA E PROCESSO PARA SUA PREPARAÇÃO

PublicadaInvention Patent

Application data

Number

PI8800586

Type

Invention Patent

Filing

02/11/1988

Publication

09/27/1988

Progress at the INPI

  1. Filing02/11/88
  2. Publication09/27/88
  3. Examination09/11/90
  4. Allowance08/15/95
  5. Grant04/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut Français du Petrole

FR

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Inventors

C. M. (pessoa física)

FR

F. R. (pessoa física)

FR

J. D. (pessoa física)

FR

Technical data

Priority claims

FR

87/01.802 · 02/11/1987

FR

87/16.691 · 11/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/27/1988

RPI 936

Pedido de patente depositado

#2.1

05/24/1988

RPI 918

Carta-patente expirada

#21.1

Patente extinta em 11/02/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/30/1996

RPI 1326

Notificação para pagamento de retribuição

#13.1

01/16/1996

RPI 1311

Deferimento

#9.1

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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