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Official data from INPI

PASTAS DE CARBONATO DE CÁLCIO

Em ExigênciaInvention PatentPCT · EP2022068979
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Application data

Number

112023027217

Type

Invention Patent

Filing

07/07/2022

Publication

04/02/2024

PCT

EP2022068979
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing07/07/22
  2. Publication04/02/24
  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

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Inventors

E. B. (pessoa física)

SE

J. W. (pessoa física)

GB

M. C. (pessoa física)

SE

N. R. (pessoa física)

GB

R. T. (pessoa física)

GB

Technical data

IPC Classification

C01F 11/18

Priority claims

EP

21305943.9 · 07/08/2021

Abstract

PASTAS DE CARBONATO DE CÁLCIO. A presente invenção refere-se a um método para preparar uma pasta aquosa que compreende carbonato de cálcio, o carbonato de cálcio obtido a partir do mesmo e seus usos, inclusive em papel e papelão.

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

04/02/2024

RPI 2778

Alteração de dados cadastrais

#1.1

01/02/2024

RPI 2765

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