EP Patent

EP0145240A2 — Method for producing Microcapsule

Assigned to Takeda Pharmaceutical Co Ltd · Expires 1985-06-19 · 41y expired

What this patent protects

A microcapsule produced by preparing a water-in-oil emulsion comprising an inner aqueous layer containing said water-soluble drug and a drug retaining substance therefor and an oit layer containing a polymer substance, then thickening or solidifying said inner aqueous layer to a …

USPTO Abstract

A microcapsule produced by preparing a water-in-oil emulsion comprising an inner aqueous layer containing said water-soluble drug and a drug retaining substance therefor and an oit layer containing a polymer substance, then thickening or solidifying said inner aqueous layer to a viscosity of not lower than about 5000 centiposes and finally subjecting the resulting emulsion to in water drying gives prolonged release of said water-soluble drug.

Drugs covered by this patent

Patent Metadata

Patent number
EP0145240A2
Jurisdiction
EP
Classification
—
Expires
1985-06-19
Drug substance claim
No
Drug product claim
No
Assignee
Takeda Pharmaceutical Co 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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