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Official data from INPI

Processo de tratamento de um mineral de terras raras.

Em AnáliseInvention Patent

Application data

Number

PI8604289

Type

Invention Patent

Filing

09/08/1986

Publication

05/05/1987

Progress at the INPI

  1. Filing09/08/86
  2. Publication05/05/87
  3. Examination05/09/89
  4. Allowance
  5. Grant
  6. In force

Published on 05/05/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

C. M. (pessoa física)

FR

F. F. (pessoa física)

FR

J. T. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85 13383 · 09/10/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

05/05/1987

RPI 863

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Retificação

#15.3

03/09/1993

RPI 1162

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