Official data from INPI

PROCESSO PARA TRATAR TALCO PARA TORNÁ-LO MAIS RAPIDAMENTE UM MEIO AQUOSO E PROCESSO PARA PREPARAR UMA SUSPENSÃO AQUOSA DE TALCO.

ArquivadaInvention Patent

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Application data

Number

PI8106815

Type

Invention Patent

Filing

10/22/1981

Publication

07/06/1982

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Progress at the INPI

Filing10/22/81
Publication07/06/82
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 10/22/1981 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: 09/24/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

English Clays Loverning Pochin & Company Limited

Inventors

G. F. (pessoa física)

Technical data

IPC Classification

C01B 33/22

Priority claims

8034180 · 10/23/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/24/1985

RPI 779

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Pedido de patente depositado

#2.1

12/08/1981

RPI 581

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PROCESSO PARA FABRICAÇÃO DE UM SEÓLITO CRISTALINO DA FAMÍLIA ZSM

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