Patent ID: 8569329

Claim:
A drug product which is not susceptible to dose dumping comprising: a formulation consisting of: an opioid salt selected from the group consisting of oxycodone pamoate, oxycodone xinafoate, morphine pamoate, morphine xinafoate, hydrocodone pamoate, hydrocodone xinafoate, hydromorphone pamoate and hydromorphone xinafoate; and a material defined by Structure H: wherein R 8 -R 11 are independently selected from H, alkyl or substituted alkyl of 1-6 carbons, adjacent groups may be taken together to form a cyclic alkyl, cyclic alkyl-aryl, or cyclic aryl moiety; R 12 is selected from H, or an alkali earth cation; R 13 and R 14 are independently selected from H, alkyl of 1-6 carbons, an alkali earth cation, and aryl of 6 to 12 carbons, in a number sufficient to complete the valence bonding of X, and wherein X is selected from nitrogen, oxygen or sulfur.