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Official data from INPI

PROCESSAMENTO DE MINÉRIOS DE TERRAS RARAS RICO EM FERRO

ConcedidaInvention PatentPCT · ZA2017050026

Application data

Number

112018072153

Type

Invention Patent

Filing

04/26/2017

Publication

02/12/2019

PCT

ZA2017050026

Progress at the INPI

  1. Filing04/26/17
  2. Publication02/12/19
  3. Examination
  4. Allowance09/20/22
  5. Grant11/29/22
  6. In force04/26/37

The patent was granted on 11/29/2022 and is in force until 04/26/2037. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:04/26/2037

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Latest action published by the INPI: 11/29/2022. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINTEK

ZA

See this company's full portfolio

Inventors

I. T. (pessoa física)

ZA

K. B. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

2016/02817 · 04/26/2016

Abstract

Um método de processar um minério de terras raras rico em ferro que inclui as etapas de fundição do minério para concentrar minerais de óxidos de terras raras no minério em uma fase de escória e extrair os minerais de óxido de terras raras da escória.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

Prazo de Validade: 20 (vinte) anos contados a partir de 26/04/2017, observadas as condições legais

11/29/2022

RPI 2708

Deferimento

#9.1

09/20/2022

RPI 2698

Adição na publicação

#15.35

09/08/2021

RPI 2644

Parecer de pré-exame

#6.23

06/15/2021

RPI 2632

Notificação de entrada na fase nacional - PCT

#1.3

02/12/2019

RPI 2510

Alteração de dados cadastrais

#1.1

11/06/2018

RPI 2496

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