Official data from INPI

PROCESSO PARA NEUTRALIZAR ÁCIDO SULFÚRICO CONTENDO ÍONS DE FE

Prazo de SigiloInvention Patent

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Application data

Number

PI8803225

Type

Invention Patent

Filing

06/29/1988

Publication

02/06/1990

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Progress at the INPI

Filing06/29/88
Publication02/06/90
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 06/29/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. J. (pessoa física)

Inventors

M. W. (pessoa física)

R. S. (pessoa física)

Technical data

IPC Classification

C01B 17/90

Priority claims

62-160849 · 06/30/1987

62-228539 · 09/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/29/1988

RPI 945

Arquivamento - Art. 33 da LPI

#11.1

11/24/1992

RPI 1147

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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