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Official data from INPI

COMPOSIÇÃO DE ÓLEO MINERAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002316

Type

Invention Patent

Filing

05/17/1990

Publication

08/06/1991

Progress at the INPI

  1. Filing05/17/90
  2. Publication08/06/91
  3. Examination08/10/93
  4. Allowance08/31/99
  5. Grant02/08/00
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. 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

H. S. (pessoa física)

NL

M. R. (pessoa física)

NL

W. L. (pessoa física)

NL

W. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8911611.5 · 05/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

05/11/1999

RPI 1479

Exigência - art. 36 da LPI

#6.1

09/16/1997

RPI 1398

Exigência - art. 36 da LPI

#6.1

01/30/1996

RPI 1313

Exigência - art. 36 da LPI

#6.1

01/23/1996

RPI 1312

Solicitação de exame técnico

#4.1

08/10/1993

RPI 1184

Publicação do pedido de patente

#3.1

08/06/1991

RPI 1079

Pedido de patente depositado

#2.1

09/25/1990

RPI 1034

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