Official data from INPI

PROCESSO PARA OXIDAR UM COMPOSTO DE ENXOFRE DE BAIXA VALÊNCIA EM UM MEIO AQUOSO

Prazo de SigiloInvention Patent

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Application data

Number

PI8805582

Type

Invention Patent

Filing

10/27/1988

Publication

06/05/1990

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Progress at the INPI

Filing10/27/88
Publication06/05/90
Examination08/18/92
Allowance
Grant
In force

Published on 06/05/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

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Inventors

R. B. (pessoa física)

Technical data

IPC Classification

C01B 17/96

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Retificação

#15.3

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

08/18/1992

RPI 1133

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

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