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Official data from INPI

USO DE TECNOLOGIA DE PAREDE DIVIDIDA PARA PRODUZIR METANOL DE ALTA PUREZA

Em AnáliseInvention PatentPCT · US2019050553

Application data

Number

112021004804

Type

Invention Patent

Filing

09/11/2019

Publication

06/01/2021

PCT

US2019050553

Progress at the INPI

Under appeal
  1. Filing09/11/19
  2. Publication06/01/21
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application is under appeal: the INPI has yet to review the decision.

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Latest action published by the INPI: 02/11/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUMMUS TECHNOLOGY LLC

US

See this company's full portfolio

Inventors

A. M. (pessoa física)

US

R. B. (pessoa física)

US

Technical data

Priority claims

US

62/730,456 · 09/12/2018

Abstract

USO DE TECNOLOGIA DE PAREDE DIVIDIDA PARA PRODUZIR METANOL DE ALTA PUREZA. Trata-se de métodos e sistemas para produzir metanol de alta pureza e isobuteno a partir de uma carga de MTBE bruto usando múltiplas colunas de parede dividida. Os métodos podem incluir purificar o MTBE, dissociar o MTBE para produzir isobuteno e metanol, purificar o isobuteno e recuperar/purificar metanol.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Petição de recurso

#12.2

Recurso: 870250008206, de 31/01/2025.

02/11/2025

RPI 2823

Indeferimento

#9.2

12/03/2024

RPI 2813

Conhecimento de parecer técnico

#7.1

04/24/2024

RPI 2781

Parecer de pré-exame

#6.23

06/13/2023

RPI 2736

Notificação de entrada na fase nacional - PCT

#1.3

06/01/2021

RPI 2630

Alteração de dados cadastrais

#1.1

03/23/2021

RPI 2620

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