EP0313845A1 — Stabilization of enteric coated dosage form
Assigned to Warner Lambert Co LLC · Expires 1989-05-03 · 37y expired
What this patent protects
The present invention is a stabilized enteric-coated pharmaceutical dosage form and processes for the preparation thereof. Dissolution stability after storage of the dosage form under high stress conditions is improved by an enteric-coated dosage form having an enteric coating wh…
USPTO Abstract
The present invention is a stabilized enteric-coated pharmaceutical dosage form and processes for the preparation thereof. Dissolution stability after storage of the dosage form under high stress conditions is improved by an enteric-coated dosage form having an enteric coating wherein the coating is of the acrylic resin kind of from 14 mg/cm² to 24 mg/cm² or an enteric coating wherein the coating is of the acetate kind of from 14 mg/cm² to 24 mg/cm² and having a second coating of hydrophilic coating for example, hydroxypropyl cellulose, hydroxymethyl celluose or hydroxypropylmethyl cellulose.
Drugs covered by this patent
- Sinemet Cr (CARBIDOPA) · Aton
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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