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Official data from INPI

PROCESSO PARA A EXTRAÇÃO SELETIVA DE GÁLIO A PARTIR DA POEIRA RECUPERADA E SISTEMAS COLETORES DE GÁS EM INSTALAÇÕES PARA A PRODUÇÃO ELETROLÍTICA DE ALUMÍNIO.

Em AnáliseInvention Patent

Application data

Number

PI8606230

Type

Invention Patent

Filing

12/16/1986

Publication

09/29/1987

Progress at the INPI

Under appeal
  1. Filing12/16/86
  2. Publication09/29/87
  3. Examination12/22/87
  4. Refused11/16/93
  5. Grant
  6. In force

The application was refused by the INPI on 11/16/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elkem a/s

NO

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Inventors

G. B. (pessoa física)

R. G. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Priority claims

NO

854797 · 12/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Publicação do pedido de patente

#3.1

09/29/1987

RPI 884

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Indeferimento

#9.2

11/16/1993

RPI 1198

Conhecimento de parecer técnico

#7.1

02/16/1993

RPI 1159

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