Patent ID: 8246986

Claim:
A dosage form comprising: an osmotic core comprising hydrocodone; a coating comprising acetaminophen, a viscosity enhancer, a water soluble film former comprising copovidone and hydroxypropyl methylcellulose in a wt/wt ratio of between 0.6:1 to 0.7:1, and an excipient selected from the group consisting of a surfactant and a disintegrating agent; and an intervening layer between the osmotic core and the coating; wherein the acetaminophen is present in the coating in an amount ranging from about 60 wt % to about 97 wt % based on the total weight of the coating, the viscosity enhancer accounts for about 5 wt % or less based on said total weight, the excipient accounts for about 0.5 wt % to about 3 wt % based on said total weight, and the water soluble film former accounts for about 3 wt % to about 15 wt % based on said total weight.