(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

Processo de separação de minerais de fosfato a partir de minério de fosfato, em particular de minério de carbonato fosfato por flotação e agente para ser usado como coletor.

PublicadaInvention Patent

Application data

Number

PI8701467

Type

Invention Patent

Filing

03/31/1987

Publication

01/19/1988

Progress at the INPI

  1. Filing03/31/87
  2. Publication01/19/88
  3. Examination08/21/90
  4. Allowance
  5. Grant
  6. In force

Published on 01/19/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 01/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kemira Oy

FI

See this company's full portfolio

Inventors

A. H. (pessoa física)

A. W. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

861415 · 04/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/19/1988

RPI 900

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Retificação

#15.3

03/23/1993

RPI 1164

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.