Drug Patent Expirations in October 2010 *Drugs may be covered by multiple patents Tradename Applicant Generic Name Patent Number Patent Expiration ORGARAN Organon Usa Inc danaparoid sodium 5,164,377 Oct 3, 2010 MIRAPEX ER Boehringer Ingelheim pramipexole dihydrochloride 4,886,812 Oct 8, 2010 MIRAPEX Boehringer Ingelheim pramipexole dihydrochloride 4,886,812 Oct 8, 2010 CLIMARA PRO Bayer Hlthcare estradiol;