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Butorphanol Tartrate Patent Expiration

Butorphanol Tartrate was first introduced by Apothecon Inc Div Bristol Myers Squibb in its drug Stadol Preservative Free on Approved Prior to Jan 1, 1982. Another drug containing Butorphanol Tartrate is Stadol. 8 different companies have introduced drugs containing Butorphanol Tartrate.


About Veterinary Butorphanol Tartrate

Butorphanol Tartrate is used in drugs marketed by 4 different companies: Intervet Inc, Cronus Pharma Specialities India Private Ltd, Zoetis Inc, Dechra Veterinary Products Llc.

Other drugs containing Butorphanol Tartrate are: Torbugesic , Butorphanol tartrate injection , Torbutrol injection , Torphadine

Butorphanol Tartrate's Family Patents

Family Patents

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Butorphanol Tartrate Generic API Manufacturers

Several generic applications have been filed for Butorphanol Tartrate. The first generic version for Butorphanol Tartrate was by Hospira Inc and was approved on Jan 22, 1997. And the latest generic version is by Hikma Farmaceutica (Portugal) Sa and was approved on May 1, 2009.

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