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Official data from INPI

PROCESSO PARA REMOÇÃO DE GÁS SULFÍDRICO DE GASES, E ABSORVENTE PARA UTILIZAÇÃO EM TAL PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI8501341

Type

Invention Patent

Filing

03/25/1985

Publication

11/19/1985

Progress at the INPI

  1. Filing03/25/85
  2. Publication11/19/85
  3. Abandoned11/10/87
  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.

Talk to a specialist

Latest action published by the INPI: 11/10/1987. 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

M. R. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8407842 · 03/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/10/1987

RPI 890

Publicação do pedido de patente

#3.1

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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