Official data from INPI

PROCESSO DE PRODUÇÃO DE ALCATRÃO VEGETAL.

Em AnáliseInvention Patent

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Application data

Number

PI8502846

Type

Invention Patent

Filing

06/14/1985

Publication

04/29/1986

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Progress at the INPI

Under appeal

Filing06/14/85
Publication04/29/86
Examination08/05/86
Refused05/08/90
Grant
In force

The application was refused by the INPI on 05/08/1990. The invention was never patented.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carbovegetal S/A Indústria e Comércio

Inventors

A. S. (pessoa física)

Technical data

IPC Classification

C10C 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/29/1989

RPI 984

6.4

02/14/1989

RPI 956

Exigência - art. 36 da LPI

#6.1

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação antecipada

#3.2

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

08/27/1985

RPI 775

Indeferimento

#9.2

05/08/1990

RPI 1017

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