![]() ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Family has litigation First worldwide family litigation filed litigation Critical (B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License. Original Assignee Mallinckrodt LLC Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US13/473,571 Inventor Krishna Devarakonda Michael J Guiliani Vishal K Gupta Ralph A Heasley Susan Shelby Current Assignee (The listed assignees may be inaccurate. Google Patents Gastric retentive extended release pharmaceutical compositionsĭownload PDF Info Publication number US8741885B1 US8741885B1 US13/473,571 US201213473571A US8741885B1 US 8741885 B1 US8741885 B1 US 8741885B1 US 201213473571 A US201213473571 A US 201213473571A US 8741885 B1 US8741885 B1 US 8741885B1 Authority US United States Prior art keywords composition extended release acetaminophen oxycodone release portion Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US8741885B1 - Gastric retentive extended release pharmaceutical compositions US8741885B1 - Gastric retentive extended release pharmaceutical compositions ![]()
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