Official data from INPI

PROCESSO APERFEIÇOADO PARA OXIDAR UM MATERIAL CARBONÁCEO E PARA ALVEJAR UMA ARGILA DE CAULIM CINZA

ArquivadaInvention Patent

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Application data

Number

PI9001490

Type

Invention Patent

Filing

03/30/1990

Publication

04/16/1991

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Progress at the INPI

Filing03/30/90
Publication04/16/91
Abandoned06/22/93
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/03/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

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Inventors

F. C. (pessoa física)

H. C. (pessoa física)

J. B. (pessoa física)

Technical data

IPC Classification

C09C 1/42 C09C 3/06

Priority claims

331,423 · 03/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/03/1998

RPI 1452

Exigência - art. 36 da LPI

#6.1

03/17/1998

RPI 1421

Solicitação de exame técnico

#4.1

06/22/1993

RPI 1177

Publicação do pedido de patente

#3.1

04/16/1991

RPI 1063

Pedido de patente depositado

#2.1

06/26/1990

RPI 1024

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