GB Patent

GB2399286A — Sub-lingual fentanyl formulation

Assigned to SIRUS PHARMACEUTICALS Ltd · Expires 2004-09-15 · 22y expired

What this patent protects

An pharmaceutical formulation comprising (i) fentanyl or pharmaceutically acceptable salt thereof, (ii) water and (iii) a polar organic solvent, wherein the said polar organic solvent is available in a sufficient amount to enhance the solubility of the fentanyl or salt thereof in…

USPTO Abstract

An pharmaceutical formulation comprising (i) fentanyl or pharmaceutically acceptable salt thereof, (ii) water and (iii) a polar organic solvent, wherein the said polar organic solvent is available in a sufficient amount to enhance the solubility of the fentanyl or salt thereof in the water. The resulting solution is for use as a sub-lingual spray - preferably delivered by means of a pump spray device.

Drugs covered by this patent

Patent Metadata

Patent number
GB2399286A
Jurisdiction
GB
Classification
—
Expires
2004-09-15
Drug substance claim
No
Drug product claim
No
Assignee
SIRUS PHARMACEUTICALS Ltd
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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