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

COMPOSIÇÕES CATALISADORAS TENDO UM LIGANTE BIDENTADO COM UM GRUPO ARILA POLARMENTE SUBSTITUÍDO NUMA POSIÇÃO ORTO, E, PROCESSO PARA A PREPARAÇÃO DE POLÍMEROS DE MONÓXIDO DE CARBONO

PublicadaInvention Patent

Application data

Number

PI8705267

Type

Invention Patent

Filing

10/05/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/05/87
  2. Publication05/24/88
  3. Examination10/30/90
  4. Allowance10/26/93
  5. Grant05/31/94
  6. Terminated10/24/95

The patent was granted on 05/31/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. 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

E. D. (pessoa física)

NL

P. L. (pessoa física)

NL

R. W. (pessoa física)

NL

Technical data

Priority claims

NL

8602507 · 10/06/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

01/05/1988

RPI 898

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

06/02/1992

RPI 1122

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Patent monitoring

Track this patent in real time.

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