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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE SILÍCIO DE QUALIDADE COMERCIAL

Concessão AnuladaInvention PatentPCT · EP2017083402

Application data

Number

112019012517

Type

Invention Patent

Filing

12/18/2017

Publication

11/19/2019

PCT

EP2017083402

Progress at the INPI

  1. Filing12/18/17
  2. Publication11/19/19
  3. Examination
  4. Allowance12/06/22
  5. Grant02/23/23
  6. In force12/18/37

The patent was granted on 02/23/2023 and is in force until 12/18/2037. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/18/2037

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Latest action published by the INPI: 03/14/2023. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY (NTNU)

NO

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Inventors

G. T. (pessoa física)

NO

J. S. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

GB

1621609.5 · 12/19/2016

Abstract

Um processo para preparar um silício altamente puro pela redução de uma escória de silicato de cálcio usando uma fonte de alumínio.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

Ref. RPI 2720 de 23/02/2023 quanto aos desenhos.

03/14/2023

RPI 2723

Concessão da patente

#16.1

Prazo de Validade: 20 (vinte) anos contados a partir de 18/12/2017, observadas as condições legais

02/23/2023

RPI 2720

Deferimento

#9.1

12/06/2022

RPI 2709

Adição na publicação

#15.35

10/13/2021

RPI 2649

Parecer de pré-exame

#6.23

08/10/2021

RPI 2640

Notificação de entrada na fase nacional - PCT

#1.3

11/19/2019

RPI 2550

Alteração de dados cadastrais

#1.1

06/25/2019

RPI 2529

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