Official data from INPI

PROCESSO PARA A MOLDAGEM DE PRODUTOS DE ÓXIDOS MISTOS, E COMPOSIÇÃO DE ÓXIDOS MISTO

Prazo de SigiloInvention Patent

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Application data

Number

PI8903135

Type

Invention Patent

Filing

06/27/1989

Publication

02/06/1990

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Progress at the INPI

Filing06/27/89
Publication02/06/90
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 06/27/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W R Grace & Co -CONN

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Inventors

L. D. (pessoa física)

N. S. (pessoa física)

Technical data

IPC Classification

C04B 35/00

Priority claims

219.676 · 07/15/1988

220.143 · 07/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/29/1989

RPI 984

Arquivamento - Art. 33 da LPI

#11.1

12/22/1992

RPI 1151

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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