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

PROCESSO PARA O CRAQUEAMENTO CATALÍTICO DE UM ÓLEO HIDROCARBONETO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005171

Type

Invention Patent

Filing

10/15/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/15/90
  2. Publication09/17/91
  3. Examination09/21/93
  4. Allowance12/08/98
  5. Grant07/27/99
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

F. K. (pessoa física)

NL

J. W. (pessoa física)

NL

M. S. (pessoa física)

NL

M. N. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8923345.6 · 10/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/10/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

12/08/1998

RPI 1457

Exigência - art. 36 da LPI

#6.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

Patent monitoring

Track this patent in real time.

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