Official data from INPI

PRODUCAO DE CROMO HEXAVALENTE PARA USO EM CELULAS DE CLORATO

Em AnáliseInvention Patent

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Application data

Number

PI8705743

Type

Invention Patent

Filing

10/29/1986

Publication

05/31/1988

View on INPI

Progress at the INPI

Filing10/29/86
Publication05/31/88
Examination10/25/88
Allowance
Grant
In force

Published on 05/31/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TENNECO CANADA INC [CA]

Inventors

D. M. (pessoa física)

Technical data

IPC Classification

C25B 1/14 C25B 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/25/1988

RPI 940

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

02/09/1988

RPI 903

Retificação

#15.3

04/21/1992

RPI 1116

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