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

PROCESSO PARA A PRODUÇÃO DE UM CONCENTRADO DE ADITIVO PARA ÓLEO LUBRIFICANTE

Prazo de SigiloInvention Patent

Application data

Number

PI8902865

Type

Invention Patent

Filing

06/14/1989

Publication

02/01/1990

Progress at the INPI

  1. Filing06/14/89
  2. Publication02/01/90
  3. Examination06/09/92
  4. Allowance06/09/98
  5. Grant11/24/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 07/25/1989. 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

8814010.8 · 06/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 14/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

06/09/1998

RPI 1433

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Conhecimento de parecer técnico

#7.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

Patent monitoring

Track this patent in real time.

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