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Official data from INPI

PROCESSO PARA SEPARAR UM GÁS DE PELO MENOS UM OUTRO GÁS EM UMA MISTURA.

Em AnáliseInvention Patent

Application data

Number

PI8601201

Type

Invention Patent

Filing

02/27/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing02/27/86
  2. Publication11/25/86
  3. Examination03/31/87
  4. Allowance
  5. Grant
  6. In force

Published on 11/25/1986, 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

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Inventors

G. P. (pessoa física)

US

R. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

707.299 · 03/01/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

10/14/1986

RPI 834

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 13/00.

03/27/2018

RPI 2464

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