Official data from INPI

PROCESSO PARA REDUZIR CATIONS DE METAIS MULTIVALENTES DE LÍQUIDOS, AUXILIAR DE FILTRAÇÃO APERFEIÇOADO E PROCESSO DE SUA MANUFATURA

ArquivadaInvention Patent

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Application data

Number

PI9102509

Type

Invention Patent

Filing

06/18/1991

Publication

01/21/1992

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Progress at the INPI

Filing06/18/91
Publication01/21/92
Abandoned03/29/94
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: 05/08/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

Inventors

T. S. (pessoa física)

Technical data

IPC Classification

C12H 1/04

Priority claims

540.097 · 06/19/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/08/2001

RPI 1583

Exigência - art. 36 da LPI

#6.1

05/09/2000

RPI 1531

Solicitação de exame técnico

#4.1

03/29/1994

RPI 1217

14.1

05/18/1993

RPI 1172

Publicação do pedido de patente

#3.1

01/21/1992

RPI 1103

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