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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE (15ALFA,16ALFA,17BETA)-ESTRA-1,3,5(10)-TRIEN-3,15,16,17-TETROL (ESTETROL) MONOIDRATADO

Em ExigênciaInvention PatentPCT · EP2021077139

Application data

Invention Patent PROCESSO PARA PREPARAÇÃO DE (15ALFA,16ALFA,17BETA)-ESTRA-1,3,5(10)-TRIEN-3,15,16,17-TETROL (ESTETROL) MONOIDRATADO de INDUSTRIALE CHIMICA S.R.L. — IPC C07J 1/00
Invention Patent PROCESSO PARA PREPARAÇÃO DE (15ALFA,16ALFA,17BETA)-ESTRA-1,3,5(10)-TRIEN-3,15,16,17-TETROL (ESTETROL) MONOIDRATADO de INDUSTRIALE CHIMICA S.R.L. — IPC C07J 1/00. Drawing published by the INPI in the Industrial Property Gazette.

Number

112024005934

Type

Invention Patent

Filing

10/01/2021

Publication

07/16/2024

PCT

EP2021077139

Progress at the INPI

Technical opinion to answer
  1. Filing10/01/21
  2. Publication07/16/24
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 08/18/2026. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INDUSTRIALE CHIMICA S.R.L.

IT

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Inventors

A. F. (pessoa física)

IT

R. L. (pessoa física)

IT

Technical data

IPC Classification

Abstract

PROCESSO PARA PREPARAÇÃO DE (15ALFA,16ALFA,17BETA)-ESTRA1,3,5(10)-TRIEN-3,15,16,17-TETR (ESTETROL) MONOIDRATADO.A presente invenção se refere a um processo para preparação de (15a,16a,17ß)-estra-1,3,5(10)-trien- 3,15,16,17-tetrol, também conhecido como Estetrol, e Estetrol monohidratado, possuindo as fórmulas mostradas abaixo:

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Parecer de pré-exame

#6.23

08/18/2026

RPI 2902

Notificação de entrada na fase nacional - PCT

#1.3

07/16/2024

RPI 2793

Alteração de dados cadastrais

#1.1

04/09/2024

RPI 2779

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