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Official data from INPI

FIBRA COMPÓSITA DE SILÍCIO-CARBONO

Em ExigênciaInvention PatentPCT · US2023064763

Application data

Invention Patent FIBRA COMPÓSITA DE SILÍCIO-CARBONO de UNIFRAX I LLC — IPC C01B 32/05
Invention Patent FIBRA COMPÓSITA DE SILÍCIO-CARBONO de UNIFRAX I LLC — IPC C01B 32/05. Drawing published by the INPI in the Industrial Property Gazette.

Number

112024019383

Type

Invention Patent

Filing

03/21/2023

Publication

12/31/2024

PCT

US2023064763

Progress at the INPI

Technical opinion to answer
  1. Filing03/21/23
  2. Publication12/31/24
  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

UNIFRAX I LLC

US

See this company's full portfolio

Inventors

D. Z. (pessoa física)

US

W. C. (pessoa física)

US

Technical data

Priority claims

US

63/269,652 · 03/21/2022

Abstract

FIBRA COMPÓSITA DE SILÍCIO-CARBONO. Uma fibra compósita inclui uma fase de silício porosa incluindo silício elementar e uma fase de carbono porosa incluindo carbono elementar. A fase de silício e a fase de carbono formam uma estrutura de rede entrelaçada na fibra compósita, de modo que cada fase de silício e fase de carbono seja interconectada e contínua em toda a fibra compósita. A fase de silício e a fase de carbono constituem juntas pelo menos 50 porcento em peso da fibra compósita.

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

12/31/2024

RPI 2817

Alteração de dados cadastrais

#1.1

10/01/2024

RPI 2804

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