Firebrick Pharma (ASX:FRE) received notice of allowance of Nasodine's COVID-19 patent in Mexico, according to a Friday filing with the Australian bourse.
The patent protects the use of Nasodine nasal spray and any other intranasal povidone-iodine preparations as a method of reducing the viral load of SARS-CoV-2 in the nose, the filing stated.
The patent is already granted in the US, Australia, and South Africa, with applications in other countries still pending.
Firebrick Pharma's shares were up nearly 2% in recent trade.