Official data from INPI

PROCESSO PARA OBTENÇÃO DE ENXOFRE E CARBONATO DE CÁLCIO A PARTIR DA GIPSITA.

ArquivadaInvention Patent

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Application data

Number

PI8300949

Type

Invention Patent

Filing

01/13/1983

Publication

10/02/1984

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Progress at the INPI

Filing01/13/83
Publication10/02/84
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 01/13/1983 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: 01/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação Instituto Tecnológico do Estado de Pernambuco

Inventors

P. S. (pessoa física)

Q. D. (pessoa física)

Technical data

IPC Classification

C01F 11/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

01/06/1987

RPI 846

Publicação do pedido de patente

#3.1

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

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FORNO DE CALCINAÇÃO DE GIPSITA, TIPO MARMITA FECHADA, PARA PRODUZIR GESSO DE HEMIDRATOS, SEM PROVOCAR POLUIÇÃO.

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