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Official data from INPI

GRÃO FUNDIDO COM BASE EM ALUMINA

ArquivadaInvention PatentPCT · EP2021083832

Application data

Number

112023011117

Type

Invention Patent

Filing

12/01/2021

Publication

08/15/2023

PCT

EP2021083832

Progress at the INPI

  1. Filing12/01/21
  2. Publication08/15/23
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/02/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAINT-GOBAIN CENTRE DE RECHERCHES ET D´ETUDES EUROPEEN

FR

Inventors

N. F. (pessoa física)

FR

S. M. (pessoa física)

FR

S. L. (pessoa física)

CN

Technical data

Priority claims

FR

FR2012788 · 12/07/2020

Abstract

GRÃO FUNDIDO COM BASE EM ALUMINA. É revelado um grão fundido tendo a seguinte composição química, expressa em porcentagens em massa com base nos óxidos: ZrO2+HfO2: 2% a 13%; elementos diferentes de ZrO2, HfO2, Y2O3 e Al2O3: menor ou igual a 2%. Y2O3 + AI2O3: até chegar a 100%; com 0,0065: menor ou igual a Y2O3/(ZrO2+HfO2) menor ou igual a 0,1300.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/02/2025

RPI 2865

Parecer de pré-exame

#6.23

08/26/2025

RPI 2851

Notificação de entrada na fase nacional - PCT

#1.3

08/15/2023

RPI 2745

Alteração de dados cadastrais

#1.1

06/20/2023

RPI 2737

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