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Official data from INPI

PROCESSO DE PREPARAÇÃO DE (15alfa,16alfa,17beta)-ESTRA-1,3,5(10)-TRIENO-3,15,16,17-TETROL(ESTETROL) E INTERMEDIÁRIOS DO REFERIDO PROCESSO

Em ExigênciaInvention PatentPCT · EP2020076843

Application data

Number

112022005359

Type

Invention Patent

Filing

09/25/2020

Publication

07/19/2022

PCT

EP2020076843

Progress at the INPI

Office action pending
  1. Filing09/25/20
  2. Publication07/19/22
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

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Latest action published by the INPI: 06/23/2026. 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

R. L. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

102019000017414 · 09/27/2019

IT

102019000021879 · 11/22/2019

Abstract

PROCESSO DE PREPARAÇÃO DE (15a,16a,17ß)-ESTRA-1,3,5(10)- TRIENO-3,15,16,17-TETROL(ESTETROL) E INTERMEDIÁRIOS DO REFERIDO PROCESSO. A presente invenção se refere a um processo para preparação de (15a,16a,17ß)-estra-l,3,5(10)-trieno-3,15,16,17-tetrol, também conhecido como Estetrol.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.9

Anulada a publicação código 6.23 na RPI nº 2889 de 19/05/2026 por ter sido indevida.

06/23/2026

RPI 2894

Parecer de pré-exame

#6.23

05/19/2026

RPI 2889

15.50

O pedido foi dividido no BR122023006888-2 protocolo 870230030856 em 13/04/2023 10:26.

05/30/2023

RPI 2734

Notificação de entrada na fase nacional - PCT

#1.3

07/19/2022

RPI 2689

Alteração de dados cadastrais

#1.1

03/29/2022

RPI 2673

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