Sodium Phenylbutyrate is Used for treating urea cycle disorders involving enzyme deficiencies. It was first introduced by Horizon Therapeutics Us Holding Llc in its drug Buphenyl on Apr 30, 1996. Other drugs containing Sodium Phenylbutyrate are Olpruva, Pheburane. 7 different companies have introduced drugs containing Sodium Phenylbutyrate.

Sodium Phenylbutyrate Patents

Given below is the list of patents protecting Sodium Phenylbutyrate, along with the drug name that holds that patent and the company name owning that drug.

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Drug Used in	Drug Patent Number	Drug Patent Title	Drug Patent Expiry	Drug Owner
Olpruva	US11154521	Palatable compositions including sodium phenylbutyrate and uses thereof	Oct 17, 2036	Acer
Olpruva	US11202767	Methods of treating urea cycle disorders and maple syrup urine disease	Oct 17, 2036	Acer
Olpruva	US11433041	Palatable compositions including sodium phenylbutyrate and uses thereof	Oct 17, 2036	Acer

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Sodium Phenylbutyrate's Family Patents

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Sodium Phenylbutyrate Generic API Manufacturers

Several generic applications have been filed for Sodium Phenylbutyrate. The first generic version for Sodium Phenylbutyrate was by Alvogen Inc and was approved on Nov 18, 2011. And the latest generic version is by Glenmark Pharmaceuticals Ltd and was approved on Nov 1, 2022.

Given below is the list of companies who have filed for Sodium Phenylbutyrate generic, along with the locations of their manufacturing plants worldwide.