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Official data from INPI

Processo contínuo para recuperação total de urânio, tório, ítrio e terras raras e composição orgânica de extração líquido-líquido.

ConcedidaInvention Patent

Application data

Number

PI8006026

Type

Invention Patent

Filing

09/19/1980

Publication

-

Progress at the INPI

  1. Filing09/19/80
  2. Publication
  3. Examination05/24/83
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Terminated08/02/94

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

F. D. (pessoa física)

L. A. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 23517 · 09/21/1979

FR

80 03349 · 02/15/1980

FR

80 14081 · 06/25/1980

FR

80 14082 · 06/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

03/17/1987

RPI 856

Republicação - classificação IPC

#15.11

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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