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Official data from INPI

MÉTODO PARA PREPARAR DICARBONATOS DE DIALQUILA USANDO ÓXIDOS DE AMINA

ConcedidaInvention Patent

Application data

Number

102019014011

Type

Invention Patent

Filing

07/05/2019

Publication

01/28/2020

Progress at the INPI

  1. Filing07/05/19
  2. Publication01/28/20
  3. Examination
  4. Allowance07/09/24
  5. Grant09/10/24
  6. In force07/05/39

The patent was granted on 09/10/2024 and is in force until 07/05/2039. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:07/05/2039

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Latest action published by the INPI: 09/10/2024. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LANXESS DEUTSCHLAND GMBH

DE

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Inventors

C. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

EP

18181805.5 · 07/05/2018

Abstract

MÉTODO PARA PREPARAR DICARBONATOS DE DIALQUILAUSANDO ÓXIDOS DE AMINAA presente invenção refere-se a um método para preparar dicarbonatos de dialquila a partir dos correspondentes cloroformatos de alquila utilizando óxidos de amina específicos como catalisadores.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

Prazo de Validade: 20 (vinte) anos contados a partir de 05/07/2019, observadas as condições legais

09/10/2024

RPI 2801

Deferimento

#9.1

07/09/2024

RPI 2792

Parecer de pré-exame

#6.23

02/27/2024

RPI 2773

Publicação do pedido de patente

#3.1

01/28/2020

RPI 2560

Pedido de patente depositado

#2.1

09/10/2019

RPI 2540

Requerimento de pedido de patente

#2.10

Número de Protocolo '870190063134' em 05/07/2019 15:55 (WB)

07/16/2019

RPI 2532

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