GB2408937A — pH dependent medicinal compositions
Assigned to Johnson and Johnson Medical Ltd · Expires 2005-06-15 · 21y expired
What this patent protects
The present invention provides a medicinal composition comprising water and a pH-dependent gelling or thickening agent, whereby at 30{C and pH about 11 the composition is substantially liquid, and at 30{C and pH about 7 the composition is semi-solid. The invention further provide…
USPTO Abstract
The present invention provides a medicinal composition comprising water and a pH-dependent gelling or thickening agent, whereby at 30{C and pH about 11 the composition is substantially liquid, and at 30{C and pH about 7 the composition is semi-solid. The invention further provides a thickening or gelling compound for use in a gelling composition as described herein. Alternatively, cationic quaternary nitrogen, phosphonium or sulfonium compounds for use as pH-dependent thickening or gelling agents. The preferred compound is OTs-(CH2)8-1,4-diazabicyclo[2.2.2]octane-(CH2)12.
Drugs covered by this patent
- Pulmicort Respules (BUDESONIDE) · AstraZeneca K.K.
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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