US Patent No. 9,687,429 B2; The Trustees of Columbia University in the City of New York have patented a hand soap, hand sanitizer or hand cream composition that achieves more than about 4 Log10 reduction from control bacterial counts within 30 seconds of contact. It is comprised of lemongrass oil; orange oil; grapefruit seed extract; citric acid; a combination of octanediol and 1,3 propanediol; one or more additional ingredients selected from the group consisting of cationic surfactants, nonioni...