Sanitiser inventor awarded US patent

摘要

The US Patent and Trademark Office has awarded Michael Curtis a patent for a hand sanitiser that is effective at killing microbes but gentle on the skin. The patent, No. 7,754,770 B2, was issued to Curtis as the inventor and Mason Chemical Company of Arlington Heights, Illinois, US as the assignee. Curtis's Nobac instant foam hand sanitiser formulation, based on benzalkonium chloride, is said to have a skin conditioning effect that does not lose its effectiveness with continued use. It does not irritate or dry the skin, the firm says.