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Official data from INPI

CARBODI-IMIDAS POLIMÉRICAS, PROCESSO PARA A PREPARAÇÃO E USO DAS MESMAS

Em ExigênciaInvention PatentPCT · EP2022086838

Application data

Number

112024012755

Type

Invention Patent

Filing

12/20/2022

Publication

09/17/2024

PCT

EP2022086838

Progress at the INPI

Technical opinion to answer
  1. Filing12/20/22
  2. Publication09/17/24
  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: 04/24/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LANXESS DEUTSCHLAND GMBH.

DE

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Inventors

W. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

EP

21217323.1 · 12/23/2021

Abstract

CARBODI-IMIDAS POLIMÉRICAS, PROCESSO PARA A PREPARAÇÃO E USO DAS MESMAS. A invenção se refere a policarbodi-imidas inovadoras, que são simples e seguras de preparar, têm massas molares médias elevadas e proporcionam uma excelente estabilização da hidrólise, e a processos para a preparação e uso das mesmas.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Parecer de pré-exame

#6.23

04/24/2025

RPI 2833

Notificação de entrada na fase nacional - PCT

#1.3

09/17/2024

RPI 2802

Alteração de dados cadastrais

#1.1

07/02/2024

RPI 2791

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