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

Processo para a preparação de produtos bromados do poliestireno.

Em AnáliseInvention Patent

Application data

Number

PI8002787

Type

Invention Patent

Filing

05/06/1980

Publication

-

Progress at the INPI

  1. Filing05/06/80
  2. Publication
  3. Examination03/29/83
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Terminated11/03/93

The patent was granted on 06/26/1984 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

See this company's full portfolio

Inventors

B. L. (pessoa física)

K. T. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

4 256/79-0 · 05/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

11/03/1993

RPI 1196

Patent monitoring

Track this patent in real time.

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