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Official data from INPI

PROCESSO PARA FLOTAÇÃO COM ESPUMA DOS TEORES DE FOSFATO DE UMA POLPA AQUOSA DE MINÉRIO.

ArquivadaInvention Patent

Application data

Number

PI7907784

Type

Invention Patent

Filing

11/29/1979

Publication

-

Progress at the INPI

  1. Filing11/29/79
  2. Publication
  3. Abandoned08/24/82
  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.

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Latest action published by the INPI: 01/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

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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. 36 §1° da LPI

#11.2

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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