Patent ID: 6165448
Filing Date: 2000-12-26
Classification: A61K,A61Q

Abstract:
A method for whitening teeth comprising applying to the teeth an oral composition comprising a safe and effective amount of an organic peroxy compound selected from the group consisting of:1) peroxy amido phthalamides having the structural formula: ##STR5## in which R=hydrogen or C.sub.1 -C.sub.4 alkyl;n=1 to 5; andx=C.dbd.O of SO.sub.22) sulphoperbenzoic acid;3) monoperoxyphthalic acid; and(per)acetylperoxyboric acid, and salts thereof, and a safe and effective amount of an imine quaternary salt of the formula ##STR6## wherein R.sub.1 is hydrogen or a C1-C8 alkyl group, R.sub.2 is selected from the group consisting of hydrogen, a phenyl group and a keto group; R.sub.3, R.sub.4 and R.sub.5 are hydrogen or --O-R.sup.1, whereby R.sup.1 is a C.sub.1 -C.sub.4 alkyl group, R.sub.6 and R.sub.7 are hydrogen or a C.sub.1 -C.sub.4 alkyl group and X is a counterion stable in the presence of oxidizing agents; and brushing the teeth with the oral composition.