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Official data from INPI

PROCESSO PARA REDUZIR O TEOR DE ENXOFRE DE UMA CORRENTE GASOSA DE ALIMENTAÇÃO COM ALTO TEOR EM CO2

Em AnáliseInvention Patent

Application data

Number

PI8204916

Type

Invention Patent

Filing

08/23/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/23/82
  2. Publication08/02/83
  3. Examination09/17/85
  4. Allowance
  5. Grant
  6. In force

Published on 08/02/1983, 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

H. M. (pessoa física)

US

J. S. (pessoa física)

US

Technical data

Priority claims

US

295,439 · 08/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

120

10/31/1989

RPI 993

Recurso

#12.1

01/17/1989

RPI 952

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

101

06/26/1990

RPI 1024

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