EP0244118A1 — Controlled release drug delivery system for the peridontal pocket
Assigned to PharMetrix Corp · Expires 1987-11-04 · 39y expired
What this patent protects
A controlled release drug delivery system for placement in the periodontal pocket. The system comprises a plurality of drug-containing microparticles or microcapsuies, between 10 and 500 microns in size, suspend in a pharmaceutically acceptable carrier medium, and is capable of m…
USPTO Abstract
A controlled release drug delivery system for placement in the periodontal pocket. The system comprises a plurality of drug-containing microparticles or microcapsuies, between 10 and 500 microns in size, suspend in a pharmaceutically acceptable carrier medium, and is capable of maintaining an effective level of drug in the periodontal pocket for a period of 1 to 30 days.
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.