US PATENT SUBCLASS 424 / 55
.~ Hydroxy carboxylic acid or derivative thereof (e.g., methyl salicylate, etc.)

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

49  DF  DENTIFRICES (includes mouth wash) {9}
55.~ Hydroxy carboxylic acid or derivative thereof (e.g., methyl salicylate, etc.)

DEFINITION

Classification: 424/55

(under subclass 49) Compositions which contain as an ingredient an hydroxy carboxylic acid or derivative thereof, said derivative being one wherein the oxygen atom of the hydroxy group and the carbonyl of the carboxylic acid group are retained; e.g., citric acid, salicylic acid, etc.