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Official data from INPI

PROCESSO DE SEPARAÇÃO DE ACETONITRILA

ArquivadaInvention PatentPCT · US2021049124

Application data

Number

112023003740

Type

Invention Patent

Filing

09/03/2021

Publication

10/01/2024

PCT

US2021049124

Progress at the INPI

  1. Filing09/03/21
  2. Publication10/01/24
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/03/2021 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: 12/24/2024. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ASCEND PERFORMANCE MATERIALS OPERATIONS LLC

US

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Inventors

B. M. (pessoa física)

US

K. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

63/074,586 · 09/04/2020

Abstract

PROCESSO DE SEPARAÇÃO DE ACETONITRILA. São providos aqui processos para a separação de acetonitrila de correntes de matéria-prima de baixa pureza. Os processos providos são particularmente úteis para isolar acetonitrila em alta pureza de correntes residuais de fabricação de produtos químicos que incluem metanol, água e álcool alílico.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

12/24/2024

RPI 2816

Arquivamento - Art. 33 da LPI

#11.1

10/08/2024

RPI 2805

Notificação de entrada na fase nacional - PCT

#1.3

10/01/2024

RPI 2804

Alteração de dados cadastrais

#1.1

03/07/2023

RPI 2722

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