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Process for producing coated solid dosage forms

  • US 6,350,398 B1
  • Filed: 08/30/1999
  • Issued: 02/26/2002
  • Est. Priority Date: 09/03/1998
  • Status: Expired due to Term
First Claim
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1. A process for producing coated solid dosage forms by forming a plastic mixture comprising at least one thermoplastic physiologically tolerated polymeric binder and at least one active ingredient and extruding the plastic mixture, wherein the extrudate is subsequently treated with at least one liquid or vaporized coating agent, and the coated extrudate is shaped to the required dosage form wherein an excess of a liquid coating agent is applied to the extrudate, and the extrudate treated with the coating agent is passed through a calibrated die to strip off the excess of coating agent and thus to adjust the coating thickness and the coating shape, and the coated extrudate is shaped to the required dosage form.

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