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Official data from INPI

PROCESSO DE PREPARACAO DE ALUMINA DE ALTA PUREZA E ALUMINA EM TRANSICAO

ArquivadaInvention Patent

Application data

Number

PI8207563

Type

Invention Patent

Filing

12/30/1981

Publication

10/25/1983

Progress at the INPI

  1. Filing12/30/81
  2. Publication10/25/83
  3. Abandoned12/27/83
  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: 08/13/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UGINE KUHLMANN [FR]

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Inventors

B. G. (pessoa física)

R. B. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

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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