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

PROCESSO PARA A DISSOLUÇÃO DE ÓXIDOS DE TÓRIO E/OU DE PLUTÔNIO, DIFICILMENTE SOLÚVEIS.

ConcedidaInvention Patent

Application data

Number

PI8106554

Type

Invention Patent

Filing

10/09/1981

Publication

06/29/1982

Progress at the INPI

  1. Filing10/09/81
  2. Publication06/29/82
  3. Examination03/07/84
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated02/04/92

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alkem GmbH

DE

See this company's full portfolio

Inventors

L. F. (pessoa física)

R. W. (pessoa física)

S. W. (pessoa física)

Technical data

Priority claims

DE

P 30 38 807.9 · 10/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

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