Official data from INPI

PROCESSO METALURGICO PARA A RECUPERACAO SIMULTANEA DE POTASSIO E FOSFORO DE SEUS MINERIOS

IndeferidaInvention Patent

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Application data

Number

PI7707093

Type

Invention Patent

Filing

10/24/1977

Publication

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Progress at the INPI

Under appeal

Filing10/24/77
Publication
Examination
Refused10/25/83
Grant
In force

The application was refused by the INPI on 10/25/1983. The invention was never patented.

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Latest action published by the INPI: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FERMAT CO MATOGROSSENSE FERRO

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/25/1983

RPI 679

Conhecimento de parecer técnico

#7.1

01/26/1982

RPI 588

From the same holder

PROCESSO METALURGICO PARA REDUCAO DE FERRO E/OU AGLOMERACAO DE MINERIOS DE MANGANES PROCESSO ELETROMETALURGICO PARA RECUPERACAO SOB A FORMA DE CARBONATOS DOS ALCALIS CONTIDOS EM MINERIOS

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