CA2551751C — Osmotic device containing a venlafaxine salt and a salt having an ion in common
Assigned to Osmotica Kereskedelmi es Szolgaltato KFT · Expires 2012-12-04 · 13y expired
What this patent protects
The osmotic devices of the present invention include a single core comprising a salt of a drug and an osmotic salt, wherein the drug salt and the osmotic salt have a common ion. The release rate of the active drug is reduced, and the release profile of the active drug is modified…
USPTO Abstract
The osmotic devices of the present invention include a single core comprising a salt of a drug and an osmotic salt, wherein the drug salt and the osmotic salt have a common ion. The release rate of the active drug is reduced, and the release profile of the active drug is modified, from a first order release profile to a zero order, pseudo-zero order, or sigmoidal release profile, by increasing the amount of the sodium chloride in the core of the device. In one embodiment the sodium chloride is used to modify a controlled release profile to a delayed and controlled release profile.
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.