GB0030460D0 — Drug delivery system
Assigned to Oxford University Innovation Ltd · Expires 2001-01-24 · 25y expired
What this patent protects
A drug delivery system for the controlled release of a pharmaceutically-active compound by oral route comprises an intercalate of a layered double hydroxide having, before intercalation, layers of metal hydroxides, and having intercalated therein a pharmaceutically-active compoun…
USPTO Abstract
A drug delivery system for the controlled release of a pharmaceutically-active compound by oral route comprises an intercalate of a layered double hydroxide having, before intercalation, layers of metal hydroxides, and having intercalated therein a pharmaceutically-active compound having at least one anionic group. A preferred layered double hydroxide is one that has layers which comprise [LiAl2(OH)6]+. The drug delivery system has use in the delivery of drugs such as 4-biphenylacetic acid, Diclofenac, Gemfibrozil, Ibuprofen, Naproxen, 2-Propylpentanoic acid and Tolfenamic acid.
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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