Primatene Mist Patent Expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8367734 ARMSTRONG PHARMS Stable epinephrine suspension formulation with high inhalation delivery efficiency
Jan, 2026

(1 year, 6 months from now)



Primatene Mist is a drug owned by Armstrong Pharmaceuticals Inc. It is used for reducing inflammation and relieving pain. Primatene Mist uses Epinephrine as an active ingredient. Primatene Mist was launched by Armstrong Pharms in 2018. It is is available in aerosol, metered form for inhalation use. Its generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Jan 26, 2026 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Drug Exclusivity Drug Exclusivity Expiration
New Product(NP) Nov 07, 2021

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Drugs and Companies using EPINEPHRINE ingredient

Market Authorisation Date: 07 November, 2018

Treatment: NA

Dosage: AEROSOL, METERED

More Information on Dosage

PRIMATENE MIST family patents

Family Patents