Spectra Systems Corporation announced that it has received a notice of allowance from the United States Patent and Trademark Office for its technology for disinfecting banknotes from SARS-2 and other biohazards. The patent is expected to be issued within 6 weeks. Additionally, patent applications have been filed in other regions worldwide. The technology can disinfect five million notes in less than 2 hours and uses nitrogen obtained from the ambient air to create an oxygen-free atmosphere, along with heat, to deactivate SARS-2.