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Official data from INPI

PROCESSO APERFEIÇOADO PARA OBTENÇÃO DE FLOCULANTE, UTILIZANDO O CLORO EM EXCESSO DA PRODUÇÃO DE HIPOCLORITO DE CALCIO EM PÓ OU ELETRÓLISE DO CLORETO DE SÓDIO E INSTALAÇÃO PARA PROCESSAMENTO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8906164

Type

Invention Patent

Filing

12/04/1989

Publication

06/04/1991

Progress at the INPI

  1. Filing12/04/89
  2. Publication06/04/91
  3. Examination06/02/92
  4. Allowance
  5. Grant
  6. In force

Published on 06/04/1991, 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: 09/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústrias Químicas Cataguases Ltda

MG, BR

Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

06/04/1991

RPI 1070

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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