Official data from INPI

PROCESSO PARA A PREPARAÇÀO DE DICROMATOS DE METAL ALCALINO E ÁCIDO CRÔMICO

ArquivadaInvention Patent

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Application data

Number

PI9102613

Type

Invention Patent

Filing

06/21/1991

Publication

01/21/1992

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Progress at the INPI

Filing06/21/91
Publication01/21/92
Abandoned04/12/94
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: 12/15/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

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Inventors

D. K. (pessoa física)

D. W. (pessoa física)

D. O. (pessoa física)

Technical data

IPC Classification

C01G 37/033 C01G 37/14

Priority claims

P4020051.5 · 06/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/15/1998

RPI 1458

Exigência - art. 36 da LPI

#6.1

06/02/1998

RPI 1432

Solicitação de exame técnico

#4.1

04/12/1994

RPI 1219

Publicação do pedido de patente

#3.1

01/21/1992

RPI 1103

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