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Official data from INPI

PROCESSO DE SEPARAÇÃO DE ETANOL DE UMA SOLUÇÃO CONTENDO ETANOL.

Em AnáliseInvention Patent

Application data

Number

PI8401744

Type

Invention Patent

Filing

04/13/1984

Publication

11/20/1984

Progress at the INPI

  1. Filing04/13/84
  2. Publication11/20/84
  3. Examination12/30/86
  4. Allowance
  5. Grant
  6. In force

Published on 11/20/1984, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. H. (pessoa física)

DE

F. H. (pessoa física)

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Inventors

D. H. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 33 15 530.4 · 04/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/30/1986

RPI 845

Publicação do pedido de patente

#3.1

11/20/1984

RPI 735

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Retificação

#15.3

09/04/1990

RPI 1031

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