ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,141, issued on Sept. 9, was assigned to CHEMO RESEARCH S.L. (Madrid).
"Modified release oral contraceptive composition" was invented by Enrico Colli (Madrid).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a new modified release oral pharmaceutical form comprising 17Alpha-cyanomethyl-17-Beta-hydrox-yestra-4,9-dien-3-one (dienogest) and 17aAlpha-ethinylestradiol (ethynyl estradiol), its method of production and its medical and non-medical uses, in particular its use in contraception."
The patent was filed on Aug. 13, 2021, under Application No. 18/021,165.
*For further information, including images, charts and tables, please...