Block Drug Company, Inc.

Gregory P Dodd

Kenneth J Markowitz

James K Herms

A desensitizing agent for the cleaning and treatment of sensitive teeth in which the essential desensitizing ingredient is a combination of a first desensitizing agent in an amount of about 0.1 to about 2 wt. % of SnF , and a second desensitizing agent in an amount of about 0.1 to about 20 wt. % of a water soluble or water swellable polyelectrolyte. Dentifrice compositions employing the desensitizing agent of the present invention surprisingly exhibit excellent organoleptic and flavor release properties.

Dentin desensitizer containing stannous fluoride

A desensitizing agent for the cleaning and treatment of sensitive teeth comprising a copolymer having repeating hydrophobic and hydrophilic regions. Preferred examples include polysoaps such as: a monovalent salt of a hydrolyzed copolymer of an &agr;-olefin and maleic anhydride:, e.g., structually represented as:

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Hackensack, NJ, United States of America

Gregory P Dodd