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Official data from INPI

PROCESSO PARA PREPARARAÇÃO DE HIDROCARBONETOS POR REAÇÃO CATALÍTICA DE MONÓXIDO DE CARBONO COM HIDROGÊNIO

Em AnáliseInvention Patent

Application data

Number

PI8504383

Type

Invention Patent

Filing

09/11/1985

Publication

07/08/1986

Progress at the INPI

  1. Filing09/11/85
  2. Publication07/08/86
  3. Examination07/05/88
  4. Allowance09/13/94
  5. Grant04/25/95
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

M. P. (pessoa física)

NL

S. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8402807 · 09/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

07/08/1986

RPI 820

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Carta-patente expirada

#21.1

Patente extinta em 11/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

Exigência - art. 36 da LPI

#6.1

06/30/1992

RPI 1126

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