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Official data from INPI

PROCESSO PARA A REGENERAÇÃO DE UM ABSORVENTE PARA A REMOÇÀO DE CO2 E/OU COS DE GASES

Em AnáliseInvention Patent

Application data

Number

PI7801458

Type

Invention Patent

Filing

03/09/1978

Publication

-

Progress at the INPI

  1. Filing03/09/78
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

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: 06/17/1986. 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

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

101

06/17/1986

RPI 817

Republicação - classificação IPC

#15.11

04/17/1984

RPI 704

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

120

01/17/1984

RPI 691

Recurso

#12.1

06/21/1983

RPI 661

Deferimento

#9.1

02/16/1983

RPI 643

15.0

06/08/1982

RPI 607

Exigência - art. 36 da LPI

#6.1

05/04/1982

RPI 602

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