ALEXANDRIA, Va., Feb. 24 -- United States Patent no. RE50,804, issued on Feb. 24, was assigned to Sol-Gel Technologies Ltd. (Ness Ziona, Israel).
"Pharmaceutical compositions comprising silica microspheres" was invented by Marina Shevachman (Beer-Sheva, Israel), Amira Ze'Evi (Omer, Israel), Eilon Asculai (Lehavim, Israel), Batella Binyaminovich (Beer-Sheva, Israel), Nir Avram (Meitar, Israel) and Chaim Aschkenasy (Yeruham, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Topical vaginal compositions are disclosed herein which include silica microspheres and an active ingredient in the amount of 0.001 to 15.0% w/w selected from estradiol, metronidazole, clindamycin, butoconazole, and combinations thereof...