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Official data from INPI

PROCESSO DE SEPARAÇÃO DE UMA MISTURA GASOSA POR ADSORÇÃO E SUA APLICAÇÃO

PublicadaInvention Patent

Application data

Number

PI8702802

Type

Invention Patent

Filing

06/01/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing06/01/87
  2. Publication03/01/88
  3. Abandoned11/20/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRASIL OXIGENIO [BR]

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Inventors

D. C. (pessoa física)

FR

G. S. (pessoa física)

FR

L. H. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86.07.172 · 06/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/01/1988

RPI 906

Pedido de patente depositado

#2.1

08/11/1987

RPI 877

Arquivamento - Art. 36 §1° da LPI

#11.2

12/27/1994

RPI 1256

Exigência - art. 36 da LPI

#6.1

04/19/1994

RPI 1220

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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