(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A SÍNTESE DE COMPOSTOS DE PIRAZOLIDINONA

ArquivadaInvention PatentPCT · IB2020057849

Application data

Number

112022003171

Type

Invention Patent

Filing

08/21/2020

Publication

05/17/2022

PCT

IB2020057849

Progress at the INPI

  1. Filing08/21/20
  2. Publication05/17/22
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/13/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GHARDA CHEMICALS LIMITED

IN

See this company's full portfolio

Inventors

M. M. (pessoa física)

IN

N. J. (pessoa física)

IN

S. M. (pessoa física)

IN

Technical data

IPC Classification

Priority claims

IN

201921033691 · 08/21/2019

Abstract

PROCESSO PARA A SÍNTESE DE COMPOSTOS DE PIRAZOLIDINONA.A presente revelação refere-se a um processo para a síntese de pirazolidinona, particularmente composto de 2-(3-cloropiridin-2-il)-5-oxo-pirazolidina-3-carboxilato de alquila (pirazolidinona). O processo da presente revelação é simples, econômico e produz 2-(3-cloropiridin-2-il)-5-oxo-pirazolidina-3-carboxilato de alquila com rendimentos relativamente altos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/13/2025

RPI 2836

Parecer de pré-exame

#6.23

02/04/2025

RPI 2822

Notificação de entrada na fase nacional - PCT

#1.3

05/17/2022

RPI 2680

Alteração de dados cadastrais

#1.1

03/03/2022

RPI 2669

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.