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

Processo para a produção de olefinas e aromáticos por craqueamento e olefina ou aromático mononuclear líquido.

Em AnáliseInvention Patent

Application data

Number

PI8007238

Type

Invention Patent

Filing

11/07/1980

Publication

-

Progress at the INPI

  1. Filing11/07/80
  2. Publication
  3. Examination01/18/83
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated09/26/89

The patent was granted on 10/01/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coal Industry (Patents) Limited

GB

See this company's full portfolio

Inventors

G. D. (pessoa física)

Technical data

Priority claims

GB

79/38835 · 11/09/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Patent monitoring

Track this patent in real time.

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