Arquivamento - Art. 36 §1° da LPI
#11.2
05/13/2025
RPI 2836
Application data
Number
112022003171Type
Filing
Publication
PCT
IB2020057849 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 specialistLatest action published by the INPI: 05/13/2025. We update with every new RPI gazette, published weekly.
Applicants
GHARDA CHEMICALS LIMITED
IN
Inventors
M. M. (pessoa física)
IN
N. J. (pessoa física)
IN
S. M. (pessoa física)
IN
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.
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