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Official data from INPI

SEPARAÇÃO E RECUPERAÇÃO DE NÍQUEL E COBALTO EM SISTEMAS AMONIACAIS

Arquivada/ExtintaInvention PatentPCT · AU1988000144
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Application data

Number

PI8807511

Type

Invention Patent

Filing

05/19/1988

Publication

05/22/1990

PCT

AU1988000144
View on INPI

Progress at the INPI

  1. Filing05/19/88
  2. Publication05/22/90
  3. Examination03/19/91
  4. Allowance04/14/98
  5. Grant11/24/98
  6. Expired12/11/12

The letters patent expired on 12/11/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/11/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MEQ Nickel PTY. LTD

AU

Queensland Nickel Pty. Ltd

AU

Inventors

J. R. (pessoa física)

AU

M. P. (pessoa física)

AU

Technical data

IPC Classification

B01D 11/04C22B 23/00C22B 3/26

Priority claims

AU

PI 2018 · 05/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/11/2008

12/11/2012

RPI 2188

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/14/1998

RPI 1425

Transferência deferida

#25.1

11/25/1997

RPI 1408

120

02/04/1997

RPI 1366

Recurso

#12.1

02/21/1996

RPI 1316

Deferimento

#9.1

10/10/1995

RPI 1297

15.7

11/12/1991

RPI 1093

15.9

03/19/1991

RPI 1059

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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