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Official data from INPI

USO DE GAS DE TRATAMENTO EM PASSAGEM UNICA PARA REMOCAO DO CALOR DE REACAO EM PROCESSOS DE HIDROGENACAO COM SOLVENTE

ArquivadaInvention Patent

Application data

Number

PI7901389

Type

Invention Patent

Filing

05/08/1978

Publication

-

Progress at the INPI

  1. Filing05/08/78
  2. Publication
  3. Examination12/29/81
  4. Allowance08/30/83
  5. Abandoned
  6. In force

The application was allowed on 08/30/1983 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EXXON RESEARCH ENGINEERING CO

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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

06/19/1984

RPI 713

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

12/29/1981

RPI 584

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