Patent ID: 8859798

Claim:
A method of treating a subject infected with a a bacterium, the method comprising delivering to a subject an anti-microbially effective amount of a composition comprising a compound of formula I: S═C═N—(R) b —(X) a —(R) c —N═C═S (I) or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier, wherein: a, b, and c are independently 0 or 1, provided that a, b, and c are not all 0, and that b and c are not both 0; X is an aryl ring system unsubstituted or substituted with from 1 to 4 moieties independently selected from —Br, —Cl, —OH, —NH 2 , —COOH, OR′—CH 3 or R″—CH 3 wherein R′ and R″, independently, are an alkylene moiety having the formula —(CH 2 ) n —, where n is 0 or an integer from 1 to 3; and each R is independently selected from the group consisting of linear or branched alkylene moieties having from 1 to 10 C atoms and linear or branched heteroalkylene moieties having from 2 to 10 C atoms and from 1 to 3 O atoms.