CA1333770C — Implantable, biodegradable system for releasing active substance
Assigned to Boehringer Ingelheim International GmbH · Expires 1995-01-03 · 31y expired
What this patent protects
The invention relates to biodegradable implants for releasing an active substance. The implants comprise a poly-D,L-lactide based carrier material containing the active substance and at least one additive material selected from solvents, plasticizers, pore-forming agents and low…
USPTO Abstract
The invention relates to biodegradable implants for releasing an active substance. The implants comprise a poly-D,L-lactide based carrier material containing the active substance and at least one additive material selected from solvents, plasticizers, pore-forming agents and low molecular weight polymers and may be produced with variable disintegration and active substance release rates.
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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