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

PROCESSO DE SEPARAÇÃO POR ADSORÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8405811

Type

Invention Patent

Filing

11/13/1984

Publication

09/17/1985

Progress at the INPI

  1. Filing11/13/84
  2. Publication09/17/85
  3. Examination11/04/86
  4. Allowance08/08/89
  5. Grant03/20/90
  6. Terminated07/04/95

The patent was granted on 03/20/1990 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. Y. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

US

552.337 · 11/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

11/04/1986

RPI 837

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

02/05/1985

RPI 746

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

03/20/1990

RPI 1010

Patent monitoring

Track this patent in real time.

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