CA Patent

CA2526470A1 — Percussively ignited or electrically ignited self-contained heating unit and drug-supply unit employing same

Assigned to Alexza Pharmaceuticals Inc · Expires 2004-12-02 · 21y expired

What this patent protects

Heating units, drug supply units and drug delivery articles capable of rapid heating are disclosed. Heating units (800) comprising a substrate (801) and a solid fuel (802) capable of undergoing an exothermic metal oxidation reaction is disposed within the substrate (801) are disc…

USPTO Abstract

Heating units, drug supply units and drug delivery articles capable of rapid heating are disclosed. Heating units (800) comprising a substrate (801) and a solid fuel (802) capable of undergoing an exothermic metal oxidation reaction is disposed within the substrate (801) are disclosed. These heating units (800) can be actuated by electrical resistance or by percussion (803, 804). Drug supply units and drug delivery articles wherein a solid fuel is configured to heat a substrate to a temperature sufficient to rapidly thermally vaporize a drug disposed thereon are also disclosed.

Drugs covered by this patent

Patent Metadata

Patent number
CA2526470A1
Jurisdiction
CA
Classification
Expires
2004-12-02
Drug substance claim
No
Drug product claim
No
Assignee
Alexza Pharmaceuticals Inc
Source
FDA Orange Book + USPTO grounding via Google Patents

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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