Crystalline rotigotine base and preparation process therefor

Abstract

An isolated and pure crystalline rotigotine base of polymorph Form I, and processes for producing the crystalline rotigotine base are disclosed. Also disclosed is a transdermal patch for the delivery of rotigotine base using the disclosed isolated and pure form of rotigotine base, which can be used in treatment of Parkinson's Disease and other disorders ameliorated or treated by rotigotine, including restless leg syndrome.

Dependencies are inferred from the claim text.