Official data from INPI

MÉTODO DE ELIMINAÇÃO DE CARACTERÍSTICAS CORROSIVAS DO ÁLCOOL HIDRATADO COMUN

IndeferidaInvention Patent

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Application data

Number

PI8204682

Type

Invention Patent

Filing

08/10/1982

Publication

03/20/1984

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Progress at the INPI

Under appeal

Filing08/10/82
Publication03/20/84
Examination07/10/84
Refused07/28/87
Grant
In force

The application was refused by the INPI on 07/28/1987. The invention was never patented.

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Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. M. (pessoa física)

MG, BR

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

C10L 1/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/28/1987

RPI 875

Pedido de certificado de adição de invenção

#5.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

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