GB9501841D0 — Improvements in and relating to carrier particles for use in dry powder inhalers
Assigned to Coordinated Drug Development Ltd · Expires 1995-03-22 · 31y expired
What this patent protects
A powder for use in a dry powder inhaler includes active particles and carrier particles for carrying the active particles. The powder further includes additive material (4) on the surfaces of the carrier particles to promote the release of the active particles from the carrier p…
USPTO Abstract
A powder for use in a dry powder inhaler includes active particles and carrier particles for carrying the active particles. The powder further includes additive material (4) on the surfaces of the carrier particles to promote the release of the active particles from the carrier particles on actuation of the inhaler. The powder is such that the active particles are not liable to be released from the carrier particles before actuation of the inhaler.The inclusion of additive material (4) in the powder has been found to give an increased respirable fraction of the active material.
Drugs covered by this patent
- glycopyrrolate (Glycopyrrolate) · Yonsei University
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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