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Official data from INPI

PARTICULADOS DE TALCO

Em ExigênciaInvention PatentPCT · EP2022060065

Application data

Number

112023021361

Type

Invention Patent

Filing

04/14/2022

Publication

12/19/2023

PCT

EP2022060065

Progress at the INPI

Technical opinion to answer
  1. Filing04/14/22
  2. Publication12/19/23
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 05/19/2026. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IMERTECH SAS

FR

See this company's full portfolio

Inventors

A. B. (pessoa física)

FR

G. M. (pessoa física)

FR

Technical data

Priority claims

EP

21305501.5 · 04/15/2021

Abstract

PARTICULADOS DE TALCO. Um particulado de talco microcristalino tendo uma área de superfície específica de BET não menor do que cerca de 35 m2/g e um ou ambos de: (a) um d50, por Sedigraph, não maior do que cerca de 2,0 micrômetros; e (b) um d50, por laser, não maior do que cerca de 5,0 micrômetros.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Parecer de pré-exame

#6.23

05/19/2026

RPI 2889

Notificação de entrada na fase nacional - PCT

#1.3

12/19/2023

RPI 2763

Alteração de dados cadastrais

#1.1

10/24/2023

RPI 2755

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