EP0508756A1 — Stabilized vitamin D preparation
Assigned to Takeda Pharmaceutical Co Ltd · Expires 1992-10-14 · 34y expired
What this patent protects
The present invention provides a pharmaceutical composition of a heat-labile vitamin D active compound dispersed in a basic polymer; a pharmaceutical composition, which comprises an excipient readily soluble in an organic solvent, a heat-labile vitamin D 2 active compound and a …
USPTO Abstract
The present invention provides a pharmaceutical composition of a heat-labile vitamin D active compound dispersed in a basic polymer; a pharmaceutical composition, which comprises an excipient readily soluble in an organic solvent, a heat-labile vitamin D 2 active compound and a basic substance; or a pharmaceutical composition, which comprises homogeneous dispersion of a finely pulverized heat-labile vitamin D active compound in a basic substance and an excipient readily soluble in water. In the composition of this invention, thermal isomerization, decomposition and discoloration is remarkably reduced, keeping excellent stability.
Drugs covered by this patent
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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