Official data from INPI

MISTURA DESPOLARIZANTE PARA TRATAMENTO ELTROLÍTICO DE SOLOS SUJEITOS A UM SISTEMA DE ATERRAMENTO.

Em AnáliseInvention Patent

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Application data

Number

PI8402848

Type

Invention Patent

Filing

06/07/1984

Publication

01/14/1986

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Progress at the INPI

Under appeal

Filing06/07/84
Publication01/14/86
Examination09/16/86
Refused02/09/93
Grant
In force

The application was refused by the INPI on 02/09/1993. The invention was never patented.

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Latest action published by the INPI: 09/16/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Labormax Produtos Quimicos Industria e Comércio Ltda

SP, BR

Inventors

P. L. (pessoa física)

Technical data

IPC Classification

C09K 15/02 E02D 3/11

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/16/1986

RPI 830

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Indeferimento

#9.2

02/09/1993

RPI 1158

Conhecimento de parecer técnico

#7.1

10/23/1990

RPI 1038

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