CA Patent

CA2297174A1 — Aqueous aerosol preparations containing biologically active macromolecules and process for producing the corresponding aerosols

Assigned to Boehringer Ingelheim Pharma GmbH and Co KG · Expires 1999-02-18 · 27y expired

What this patent protects

The invention relates to aqueous aerosol preparations containing biologically active macromolecules for producing inhalable aerosols without propellant gases.

USPTO Abstract

The invention relates to aqueous aerosol preparations containing biologically active macromolecules for producing inhalable aerosols without propellant gases.

Drugs covered by this patent

Patent Metadata

Patent number
CA2297174A1
Jurisdiction
CA
Classification
—
Expires
1999-02-18
Drug substance claim
No
Drug product claim
No
Assignee
Boehringer Ingelheim Pharma GmbH and Co KG
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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