EP0228417B1 — Ingestible capsules
Assigned to Orica Ltd · Expires 1990-08-29 · 36y expired
What this patent protects
A capsule for use in administering therapeutic agents to animals is made from a blend of (i) from 10-75% by weight of a material chosen from polyalkylene glycols of average molecular weight of from 2,000 - 20,000; and (ii) from 20-80% by weight of poly(ethylene oxide) of average …
USPTO Abstract
A capsule for use in administering therapeutic agents to animals is made from a blend of (i) from 10-75% by weight of a material chosen from polyalkylene glycols of average molecular weight of from 2,000 - 20,000; and (ii) from 20-80% by weight of poly(ethylene oxide) of average molecular weight of from 80,000 - 1 x 107. The preferred materials are polyethylene glycol of average molecular weight 3,000 - 5,000 and poly(ethylene oxide) of average molecular weight 300,000 - 800,000. It is possible to include therapeutic agents in the compositon of the capsule as well as in its cavity. The capsules of this invention find particular application in the administering of trace elements, especially copper oxide needles, to animals.
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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