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

PROCESSO PARA FAZER ESPUMAS DE RESINA DE POLIMERO ETILENICO MACIO

Em AnáliseInvention Patent

Application data

Number

PI7701176

Type

Invention Patent

Filing

02/27/1976

Publication

-

Progress at the INPI

  1. Filing02/27/76
  2. Publication
  3. Examination
  4. Allowance04/03/84
  5. Grant10/30/84
  6. Terminated12/08/87

The patent was granted on 10/30/1984 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO

See this company's full portfolio

Inventors

C. J. (pessoa física)

G. W. (pessoa física)

P. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/03/1984

RPI 702

Patent monitoring

Track this patent in real time.

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