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Official data from INPI

PROCESSO DE PREPARACAO DE ALUMINAS COM ELEVADA PUREZA E ALUMINA DE TRANSICAO

ArquivadaInvention Patent
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Application data

Number

PI8104170

Type

Invention Patent

Filing

07/01/1980

Publication

03/16/1982
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Progress at the INPI

  1. Filing07/01/80
  2. Publication03/16/82
  3. Abandoned06/29/82
  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: 04/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UGINE KUHLMANN [FR]

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Inventors

B. R. (pessoa física)

B. R. (pessoa física)

Technical data

IPC Classification

C01F 7/76

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/22/1986

RPI 809

8.1

03/19/1985

RPI 752

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/16/1982

RPI 595

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