Crush and Steges.
(1)The 1st Patent Grant 8,182,836 is for the Pharmacological Formulation of the polymer ( Eudragit 30D/40D)that sequesters and prevents the antagonist from leaking into the body before 3 days.
(2)The current 2nd Patent Application 12/640,344 is the 2-bead manufacturing technology that makes (1) work when the agonist opioid and the antagonist opioid are combined and taken together
I cannot yet think of any comparable technology to give an analogy. If I do I will post. The 2-bead technology is an essential unique technology in the history of pharmaceutical prescriptions.