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Official data from INPI

PROCESSO PARA FLOCULAR LAMAS VERMELHAS DO CIRCUITO DE RECUPERAÇÃO DE ALUMINA DE BAYER.

ArquivadaInvention Patent

Application data

Number

PI8207566

Type

Invention Patent

Filing

12/29/1982

Publication

10/25/1983

Progress at the INPI

  1. Filing12/29/82
  2. Publication10/25/83
  3. Abandoned09/03/85
  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: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

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Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

335.499 · 12/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/03/1987

RPI 889

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

02/16/1983

RPI 643

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