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

PROCESSO PARA A PRODUÇÃO DE UM CONCENTRADO ADITIVO DE ÓLEO LUBRIFICANTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003641

Type

Invention Patent

Filing

07/26/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/26/90
  2. Publication08/27/91
  3. Examination10/05/93
  4. Allowance03/24/98
  5. Grant11/24/98
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BP Chemicals (Additives) Limited

GB

See this company's full portfolio

Inventors

C. C. (pessoa física)

GB

J. C. (pessoa física)

GB

S. O. (pessoa física)

GB

Technical data

Priority claims

GB

8917094.8 · 07/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

03/24/1998

RPI 1422

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/29/1991

RPI 1052

Patent monitoring

Track this patent in real time.

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