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Official data from INPI

Processo para remoção de sulfeto de hidrogênio de gases ou hidrocarbonetos líquidos assim tratados.

ArquivadaInvention Patent

Application data

Number

PI7904669

Type

Invention Patent

Filing

07/20/1979

Publication

-

Progress at the INPI

  1. Filing07/20/79
  2. Publication
  3. Examination08/17/82
  4. Allowance01/03/84
  5. Abandoned
  6. In force

The application was allowed on 01/03/1984 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

05/10/1983

RPI 655

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

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