http://www.patentbaristas.com/archives/2007/07/25/astrazeneca-loses-over-double-patenting-of-toprol-xl%c2%ae-ingredient/?utm_source=rss&utm_medium=rss&utm_campaign=astrazeneca-loses-over-double-patenting-of-toprol-xl%25c2%25ae-ingredient Freshly Brewed Bio/Pharma Chat. Served Up Daily. Tue, 07 Feb 2012 11:57:58 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.patentbaristas.com/archives/2007/07/25/astrazeneca-loses-over-double-patenting-of-toprol-xl%c2%ae-ingredient/comment-page-1/#comment-63398 rajeshwar Mon, 22 Sep 2008 06:48:28 +0000 http://www.patentbaristas.com/archives/2007/07/25/astrazeneca-loses-over-double-patenting-of-toprol-xl%c2%ae-ingredient/#comment-63398 Was the original NDA patent has expired for Toprol XL ER Tablets of Astra Zeneca in USA. Is there any ANDA Molecule marketed at present in USA on Metoprolol Succinate ER Tablets Was the original NDA patent has expired for Toprol XL ER Tablets of Astra Zeneca in USA. Is there any ANDA Molecule marketed at present in USA on Metoprolol Succinate ER Tablets

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