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Official data from INPI

MEMBRANAS ESTABILIZADAS DE NANOFIBRA DE CELULOSE (CNF) E MÉTODOS PARA PRODUZIR AS MESMAS

ArquivadaInvention PatentPCT · US2022039575

Application data

Invention Patent MEMBRANAS ESTABILIZADAS DE NANOFIBRA DE CELULOSE (CNF) E MÉTODOS PARA PRODUZIR AS MESMAS de UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES — IPC C08B 15/00
Invention Patent MEMBRANAS ESTABILIZADAS DE NANOFIBRA DE CELULOSE (CNF) E MÉTODOS PARA PRODUZIR AS MESMAS de UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES — IPC C08B 15/00. Drawing published by the INPI in the Industrial Property Gazette.

Number

112024001611

Type

Invention Patent

Filing

08/05/2022

Publication

04/09/2024

PCT

US2022039575

Progress at the INPI

  1. Filing08/05/22
  2. Publication04/09/24
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/05/2022 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/28/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES

US

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Inventors

M. M. (pessoa física)

US

M. H. (pessoa física)

US

Technical data

Priority claims

US

63/229,872 · 08/05/2021

Abstract

MEMBRANAS ESTABILIZADAS DE NANOFIBRA DE CELULOSE (CNF) E MÉTODOS PARA PRODUZIR AS MESMAS. A presente invenção se refere a membranas que compreendem um ou mais materiais celulósicos e agente umectante (ou agentes umectantes), e métodos para produzir tais membranas.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

10/28/2025

RPI 2860

Arquivamento - Art. 33 da LPI

#11.1

08/12/2025

RPI 2849

Notificação de entrada na fase nacional - PCT

#1.3

04/09/2024

RPI 2779

Alteração de dados cadastrais

#1.1

02/06/2024

RPI 2770

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