The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
Dec. 11, 2019
Applicant:
Laboratorios Leon Farma, S.a., Villaquilambre, ES;
Inventors:
Andreza María Ribeiro, Villaquilambre, ES;
María Dolores Moya Ortega, Villaquilambre, ES;
Assignee:
LABORATORIOS LEON FARMA, S.A., Villaquilambre, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/565 (2006.01); A61K 31/519 (2006.01); A61K 47/69 (2017.01);
U.S. Cl.
CPC ...
A61K 31/565 (2013.01); A61K 31/519 (2013.01); A61K 47/6951 (2017.08);
Abstract
The process comprises combining prepared β-cyclodextrin solution and prepared ethinyl estradiol solution, then removing the solvent by spray-drying for obtaining an ethinyl estradiol β-cyclodextrin complex. The obtainable amorphous ethinyl estradiol β-cyclodextrin complex is suitable for use in pharmaceutical compositions and formulations comprising it.