Patent · US Active

Synthetic progestogens and pharmaceutical compositions comprising the same

US11504334B2 · kind B2 · utility

3Cited by

13References

30Claims

0Family size

Assignee

LABORATORIOS LEON FARMA, S.A. · ES

Inventors

Philippe Perrin · Paris, FR
Jose Luis VELADA · Amersfoort, NL
Dominique Drouin · Verrières-le-Buisson, FR

Key dates

Filing date	Jul 1, 2022
Grant date	Nov 22, 2022
Priority date	—
Expiry date	Jul 1, 2042

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/4816
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Described herein are synthetic progestogens, such as 6β,7β:15β,16β-Dimethylene-3-oxo-17α-pregn-4-ene-21,17-carbolactone, as well as pharmaceutical compositions comprising the same. Also described are methods of use.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.