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

Processo para obtenção de polipropileno pulverulento, poroso, o respectivo polipropileno pulverulento, poroso e sua aplicação.

Em AnáliseInvention Patent

Application data

Number

PI8104512

Type

Invention Patent

Filing

07/14/1981

Publication

03/30/1982

Progress at the INPI

  1. Filing07/14/81
  2. Publication03/30/82
  3. Examination06/29/82
  4. Allowance08/26/86
  5. Grant04/28/87
  6. Terminated07/12/88

The patent was granted on 04/28/1987 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akzo N.V.

NL

See this company's full portfolio

Inventors

F. W. (pessoa física)

R. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

30267620 · 07/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Patent monitoring

Track this patent in real time.

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