Patent ID: 7294189

Claim:
An emulsion comprising water as the continuous phase, at least one wax, an alkyl phenol, polynaphthalenesulfonic acid, a carboxymethylcellulose, and a preservative having the general structure: wherein R 1 is a heterocycle containing nitrogen and sulfur which is optionally substituted with C 1 –C 6 alkyl; R 2 is hydrogen or C 1 –C 6 alkyl n is 0, 1, 2, or 3; each instance of R 3 is independently hydrogen, C 1 –C 6 alkyl, phenoxy, C 1 –C 6 alkoxy, halo, amino, C 1 –C 6 alkylamino, di C 1 –C 6 alkyl amino, imidazolyl, thiazolyl, isothiazolyl, thiadiazolyl, thienyl, furyl, pyrryl, naphthyl, phenyl, halophenyl, C 1 –C 6 alkyl phenyl, or C 1 –C 6 alkoxyphenyl.