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Official data from INPI

PROCESSO DE CONVERSAO NUMA ZONA DE REACAO CONCENTRADOS DE MINERIOS DE DI-SULFETO DE MOLIBDENO EM TRIOXIDO MOLIBDICO,EM FASE LIQUIDA HIDROMETALURGICA

ArquivadaInvention Patent

Application data

Number

PI7802125

Type

Invention Patent

Filing

04/08/1977

Publication

-

Progress at the INPI

  1. Filing04/08/77
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Abandoned
  6. In force

The application was allowed on 08/16/1983 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

ENGELHARD MIN & CHEM

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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

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

15.0

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

6.2

01/19/1982

RPI 587

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