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Main.DENTAL CARE.HyperSensitivity.Prevn. Treatment..Patent..Claims.Claim 1: Sustained-Release Varnish.Compn.: a) Hypersensitivity Suppres.ing Agent & b) Et Cellulose or.Hydrophobic Polymer Select:.PolyEthylene Etc. Solvent Select:.Water Etc. Film Formation. Claims.2,3: Agent Select: Strontium Salt.Etc. Patent Assignee |