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Official data from INPI

PROCESSO DE ENRIQUECIMENTO DE CARNALITA POR FLOTAÇÃO

PublicadaInvention Patent

Application data

Number

PI8805668

Type

Invention Patent

Filing

10/20/1988

Publication

07/18/1989

Progress at the INPI

  1. Filing10/20/88
  2. Publication07/18/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/20/1988 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mines de Potasse D'Alsace S.A.

FR

Inventors

M. B. (pessoa física)

R. D. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

87 14468 · 10/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/18/1989

RPI 978

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B03D 1/02; C01F 5/30; C01F 3/04.

03/27/2018

RPI 2464

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

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