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Official data from INPI

PROCESSO PARA FLOTAÇÃO DE MINERAL CONTENDO METAL ALCALINO ASSIM COMO UM AGENTE USADO NA REFERIDA FLOTAÇÃO

ArquivadaInvention Patent

Application data

Number

PI9001556

Type

Invention Patent

Filing

04/04/1990

Publication

04/30/1991

Progress at the INPI

  1. Filing04/04/90
  2. Publication04/30/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/04/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/29/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Berol Nobel AB

SE

Inventors

A. A. (pessoa física)

A. A. (pessoa física)

P. S. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

8901208-2 · 04/05/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/29/1993

RPI 1178

Publicação do pedido de patente

#3.1

04/30/1991

RPI 1065

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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