Happi Staff06.04.20
US Patent No. 10,617,621 B2 (Andrew Cawley, Michael John Hoptroff, Mingming Pu); Conopco, Inc. (dba Unilever), Englewood Cliffs, NJ, has patented a synergistic antimicrobial composition comprised of a polyvalent metal salt of pyrithione; and a piperazine compound selected from 1-(2-fluorobenzoyl)-4-(4-phenyl cyclohexyl)piperazine, 1-(3-chlorobenzyl)-4-(4-ethylbenzyl)piperazine oxalate, 1-(4-fluorophenyl)-4-isobutyrylpiperazine, 1-isobutyryl-4-phenylpiperazine, or 1-(4-ethylbenzyl)-4-(4-methylcyclohexyl)piperazine oxalate.
