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Official data from INPI

PROCESSO PARA OBTENÇÃO DE FOSFATO TRICÁLCICO

Em AnáliseInvention Patent
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Application data

Number

PI9004347

Type

Invention Patent

Filing

08/27/1990

Publication

03/24/1992
View on INPI

Progress at the INPI

  1. Filing08/27/90
  2. Publication03/24/92
  3. Examination07/13/93
  4. Allowance
  5. Grant
  6. In force

Published on 03/24/1992, 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: 10/31/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coran Fosfatos Indústria e Comércio Ltda.

SP, BR

Coveg Indústria, Comércio, Importação e Exportação Ltda

SP, BR

Inventors

S. R. (pessoa física)

Technical data

IPC Classification

C01B 25/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/31/1995

RPI 1300

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

14.4

05/11/1993

RPI 1171

Publicação do pedido de patente

#3.1

03/24/1992

RPI 1112

Pedido de patente depositado

#2.1

03/12/1991

RPI 1058

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