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Official data from INPI

PROCESSO DE PREPARAÇÃO DE UM FOSFATO ÁCIDO DE ALUMINIO E DE SÓDIO CRISTALIZADO

PublicadaInvention Patent

Application data

Number

PI8805454

Type

Invention Patent

Filing

10/21/1988

Publication

06/27/1989

Progress at the INPI

  1. Filing10/21/88
  2. Publication06/27/89
  3. Examination09/11/90
  4. Allowance
  5. Grant
  6. In force

Published on 06/27/1989, 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

P. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87/14520 · 10/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/27/1989

RPI 975

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Retificação

#15.3

07/05/1994

RPI 1231

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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