Official data from INPI

PROCESSO E APARELHO PARA O REFINO DE MATERIAL ORGÂNICO, UNIDADE E CIRCUITO DE RESFRIAMENTO PARA RESFRIAR PÓ DE CARBONO E CARVÃO VEGETAL

Em AnáliseInvention PatentPCT · SE1989000206

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Application data

Number

PI8907372

Type

Invention Patent

Filing

04/14/1989

Publication

03/26/1991

PCT

SE1989000206

View on INPI

Progress at the INPI

Filing04/14/89
Publication03/26/91
Examination12/17/91
Allowance
Grant
In force

Published on 03/26/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. S. (pessoa física)

Productcontrol Limited

Inventors

E. S. (pessoa física)

Technical data

IPC Classification

C10B 53/02 C10J 3/06 C10J 3/20

Priority claims

8801377-6 · 04/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

Notificação de entrada na fase nacional - PCT

#1.3

03/26/1991

RPI 1060

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