Patent ID: 7625918
Filing Date: 2009-12-01
Classification: C07D

Abstract:
1. A form of hydrocodone bitartrate which is selected from the group consisting of: Form II, Form III, Form IV, Form V, Form VI, Form VII, Form VIII, Form IX, Form X, and an amorphous form; wherein Form II has the following XRPD °2θ peaks and relative intensities (I/Io): Form III has the following XRPD °2θ peaks and relative intensities: Form IV has the following XRPD °2θ peaks and relative intensities: Form V has the following XRPD °2θ peaks and relative intensities: Form VI has the following XRPD °2θ peaks and relative intensities: Form VII has the following XRPD °2θ peaks and relative intensities: Form VIII has the following XRPD °2θ peaks and relative intensities: Form IX has the following XRPD °2θ peaks and relative intensities: Form X has the following XRPD °2θ peaks and relative intensities: and the amorphous form has a single broad peak from 7.28-30.76 XRPD °2θ.