Official data from INPI

MÉTODO DE CONTROLAR O NÍVEL DE FÓSFORO E/OU NITROGÊNIO E MÉTODO PARA FORNECER UM NÍVEL DESEJADO DE FÓSFORO E/OU NITRATO

Em AnáliseInvention PatentPCT · AU1990000230

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Application data

Number

PI9007417

Type

Invention Patent

Filing

05/31/1990

Publication

06/16/1992

PCT

AU1990000230

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Progress at the INPI

Filing05/31/90
Publication06/16/92
Examination06/08/93
Allowance
Grant
In force

Published on 06/16/1992, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commonwealth Scientific And Industrial Research Organisation

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Inventors

W. R. (pessoa física)

Technical data

IPC Classification

C02F 3/12 C02F 3/22 C02F 3/30 C02F 9/00

Priority claims

PI 4481 · 06/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Notificação de entrada na fase nacional - PCT

#1.3

06/16/1992

RPI 1124

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