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Official data from INPI

PROCESSO DE CRISTALIZAÇÃO DE OXALATOS DE SÓDIO

Prazo de SigiloInvention Patent
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Application data

Number

PI8805768

Type

Invention Patent

Filing

11/01/1988

Publication

06/12/1990
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Progress at the INPI

  1. Filing11/01/88
  2. Publication06/12/90
  3. Abandoned11/17/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcoa of Australia Limited

AU

Commonwealth Scientific And Industrial Research Organisation

AU

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Inventors

M. K. (pessoa física)

AU

S. G. (pessoa física)

Technical data

IPC Classification

C01F 7/04C01F 7/46C07C 55/07

Priority claims

AU

PI5183 · 10/30/1987

AU

PI5841 · 12/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

11.13

11/04/1997

RPI 1405

11.31

11/04/1997

RPI 1405

Arquivamento - Art. 36 §1° da LPI

#11.2

09/09/1997

RPI 1397

Republicação - classificação IPC

#15.11

09/09/1997

RPI 1397

Exigência - art. 36 da LPI

#6.1

08/13/1996

RPI 1341

Retificação

#15.6

06/18/1996

RPI 1333

Retificação

#15.3

02/06/1996

RPI 1314

Retificação

#15.6

07/18/1995

RPI 1285

Retificação

#15.3

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

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