CA Patent

CA2648280C — Controlled release delivery device comprising an organosol coat

Assigned to Intellipharmaceutics Corp · Expires 2014-03-11 · 12y expired

What this patent protects

A controlled release delivery device for controlled release of an active ingredient comprising: (i) a core particle comprising the active ingredient homogenously dispersed or dissolved therein; and (ii) an organosol polymeric coat comprising a homogenous mixture of, (a) a water s…

USPTO Abstract

A controlled release delivery device for controlled release of an active ingredient comprising: (i) a core particle comprising the active ingredient homogenously dispersed or dissolved therein; and (ii) an organosol polymeric coat comprising a homogenous mixture of, (a) a water soluble gel forming polymer and a water insoluble organosoluble polymer in a dry weight ratio of from about 20:80 to about 50:50, (b) an organosolvent, and (c) an anti-tacking agent; the organosol polymeric coat being applied directly to and substantially enveloping the core particle.

Drugs covered by this patent

Patent Metadata

Patent number
CA2648280C
Jurisdiction
CA
Classification
—
Expires
2014-03-11
Drug substance claim
No
Drug product claim
No
Assignee
Intellipharmaceutics Corp
Source
FDA Orange Book + USPTO grounding via Google Patents

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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