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Multiple unit effervescent dosage form

  • US 6,284,271 B1
  • Filed: 08/28/1998
  • Issued: 09/04/2001
  • Est. Priority Date: 07/01/1997
  • Status: Expired due to Fees
First Claim
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1. An effervescent dosage form comprising, as a first component, effervescent excipients and as a separate second component, a plurality of individual units comprising a pharmaceutically active compound selected from the group consisting of a proton pump inhibitor and a beta blocking agent and optionally pharmaceutically acceptable excipients wherein each unit is provided with a floating generating system comprising at least two coating layers, one of which is a gas generating layer and the other layer is a barrier layer enclosing the generated gas, and wherein the first component is separated from the second component by the layers of the floating generating system.

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