Guaifenesin; Hydrocodone Bitartrate is Used for increasing the bioavailability of guaifenesin. It was first introduced by Sovereign Pharmaceuticals Llc in its drug Obredon on Nov 14, 2014. Other drugs containing Guaifenesin; Hydrocodone Bitartrate are Flowtuss, Xtrelus. 3 different companies have introduced drugs containing Guaifenesin; Hydrocodone Bitartrate.

Guaifenesin; Hydrocodone Bitartrate Patents

Given below is the list of patents protecting Guaifenesin; Hydrocodone Bitartrate, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in	Drug Patent Number	Drug Patent Title	Drug Patent Expiry	Drug Owner
Obredon	US10105324	Immediate release oral guaifenesin solution	Nov 13, 2035	Sovereign Pharms
Obredon	US9549907	Immediate release oral guaifenesin solution	Nov 13, 2035	Sovereign Pharms
Obredon	US9808431	Immediate release oral guaifenesin solution	Nov 13, 2035	Sovereign Pharms

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