Patent ID: 8496947

Claim:
A dental whitening strip which comprises a three layer laminated structure where a first layer is a barrier support comprising a polyolefin polymer film in contact with a second and middle layer which is a whitening composition which adheres to said barrier support said whitening composition comprising a dried layer that is formed from a whitening composition comprising: (a) dextrin; (b) a peroxide; (c) a non-toxic water soluble inorganic salt; (d) a pharmaceutically acceptable hydroxy compound which is a plasticizer and (e) an amount of water to enable the whitening composition to be adhered to a third layer which is a carrier layer said whitening composition being dried so that it does not flow, does not wet objects and has retained volatiles between 7 and 17% as determined by drying in an oven at 170° F. for 1 hour wherein the whitening composition comprises from 1 to 20 wt % of the total weight of the whitening strip not including the carrier layer.