The US Court of Appeals for the Federal Circuit affirmed a district court’s delisting of patents from the Orange Book because the patent claims ...

HFA-based metered-dose inhalers (MDIs ... This system doesn’t apply to albuterol (rescue) inhalers, since most people don’t use this medication on any regular basis. Instead, These medications are ...

MDIs can recognized by the abbreviation HFA (which stands for the propellant hydrofluoroalkane). These include Ventolin HFA, Proventil HFA, Proair HFA, Atrovent HFA, Alvesco HFA, and Asmanex HFA.

Teva holds an approved NDA for its ProAir® HFA Inhalation Aerosol product, which permits Teva to market and sell an inhaler device that administers the API albuterol sulfate. Teva listed several ...

The Ventolin HFA test MDIs also had an increased ... The manufacturers' reported dose per actuation for both MDIs is 108 µg of albuterol sulfate, which corresponds to 90 µg of albuterol base.

After exposure to extreme environmental temperatures, an increase in propellant-leak rate was observed with Proventil HFA and Ventolin HFA MDIs, but little to no change was found in particle size ...