Official data from INPI

PROCESSO PARA SEPARACAO DE TETRAIDRATO DE NITRATO DE CALCIO POR CRISTALIZACAO

ArquivadaInvention Patent

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Application data

Number

PI8400977

Type

Invention Patent

Filing

03/07/1983

Publication

10/09/1984

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Progress at the INPI

Filing03/07/83
Publication10/09/84
Abandoned11/25/86
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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIE VAN KUNSTMESTFAB BV [NL]

Inventors

C. M. (pessoa física)

J. G. (pessoa física)

Technical data

IPC Classification

C01F 11/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

6.2

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

10/09/1984

RPI 729

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

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