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

PROCESSO PARA FABRICAÇÃO DE PRECURSOR CATALISADOR COM VANADIO E ANTIMÔNIO

PublicadaInvention Patent

Application data

Number

PI8806416

Type

Invention Patent

Filing

12/06/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/06/88
  2. Publication08/22/89
  3. Examination09/24/91
  4. Allowance01/23/96
  5. Grant02/25/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Standard Oil Company

US

See this company's full portfolio

Inventors

J. J. (pessoa física)

US

L. G. (pessoa física)

US

M. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

129.263 · 12/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Carta-patente expirada

#21.1

Patente extinta em 06/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

07/09/1996

RPI 1336

Deferimento

#9.1

01/23/1996

RPI 1312

Exigência - art. 36 da LPI

#6.1

06/06/1995

RPI 1279

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

Patent monitoring

Track this patent in real time.

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