CA Patent

CA2687130C — Solid dosage forms comprising an enteric coating with accelerated drug release

Assigned to Evonik Operations GmbH · Expires 2017-10-03 · 9y expired

What this patent protects

The present invention refers to a solid dosage form comprising an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein said inner coating comprises a partially neutralized anionic polymeric material, and at lea…

USPTO Abstract

The present invention refers to a solid dosage form comprising an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein said inner coating comprises a partially neutralized anionic polymeric material, and at least a carboxylic acid having 2 to 16 carbon atoms the salts thereof or mixtures of said acid and its salt; wherein said outer coating comprises an anionic polymeric material which is less or not at all neutralized than the material of the inner coating.

Drugs covered by this patent

Patent Metadata

Patent number
CA2687130C
Jurisdiction
CA
Classification
—
Expires
2017-10-03
Drug substance claim
No
Drug product claim
No
Assignee
Evonik Operations GmbH
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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