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

PROCESSO PARA A PREPARAÇÃO DE UM COMPONENTE CATALIZADOR DE POLIMERIZAÇÃO DE OLEFINA E PROCESSO PARA POLIMERIZAR OLEFINAS.

ConcedidaInvention Patent

Application data

Number

PI8007504

Type

Invention Patent

Filing

11/18/1980

Publication

-

Progress at the INPI

  1. Filing11/18/80
  2. Publication
  3. Examination08/23/83
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Terminated08/09/94

The patent was granted on 10/29/1985 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: 10/29/1985. 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

G. B. (pessoa física)

V. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7940131 · 11/20/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

Patent monitoring

Track this patent in real time.

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