Official data from INPI

PROCESSO PARA PRODUÇÃO DE ÓXIDO DE TITÂNIO

Prazo de SigiloInvention Patent

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Application data

Number

PI8904168

Type

Invention Patent

Filing

08/18/1989

Publication

04/10/1990

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Progress at the INPI

Filing08/18/89
Publication04/10/90
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 08/18/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. J. (pessoa física)

Inventors

M. W. (pessoa física)

R. S. (pessoa física)

Technical data

IPC Classification

C01G 23/04

Priority claims

206029 · 08/19/1988

310887 · 12/08/1988

324412 · 12/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/24/1989

RPI 992

Arquivamento - Art. 33 da LPI

#11.1

12/15/1992

RPI 1150

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

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