CA2460343A1 — Delivery of caffeine through an inhalation route
Assigned to Alexza Pharmaceuticals Inc · Expires 2003-07-17 · 23y expired
What this patent protects
The present invention relates to the delivery of caffeine through an inhalation route. Specifically, it relates to aerosols containing caffeine that are used in inhalation therapy. In a composition aspect of the present invention, the aerosol comprises particles comprising at lea…
USPTO Abstract
The present invention relates to the delivery of caffeine through an inhalation route. Specifically, it relates to aerosols containing caffeine that are used in inhalation therapy. In a composition aspect of the present invention, the aerosol comprises particles comprising at least 5 percent by weight of caffeine. In a method aspect of the present invention, caffeine is delivered to a mammal through an inhalation route. The method comprises: a) heating a composition, wherein the composition comprises at least 5 percent by weight of caffeine, to form a vapor; and, b) allowing the vapor to cool, thereby forming a condensation aerosol comprising particles, which is inhale d by the mammal. In a kit aspect of the present invention, a kit for deliverin g caffeine through an inhalation route to a mammal is provided which comprises : a) a composition comprising at least 5 percent by weight of caffeine; and, b ) a device that forms a caffeine containing aerosol from the composition, for inhalation by the mammal.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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