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Process for the production of stable liquid form of beta-blocker-containing medicaments with controlled release of the active constituent for oral administration

  • US 5,484,776 A
  • Filed: 10/14/1993
  • Issued: 01/16/1996
  • Est. Priority Date: 03/13/1992
  • Status: Expired due to Fees
First Claim
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1. A process for the production of a stable pharmaceutical for oral administration that provides controlled released of a β

  • -adrenergic blocker active component, which comprises reacting 1 to 20 parts by weight of the β

    -adrenergic blocker in 100 parts of water with 0.001 to 10 parts of a polysaccharide to obtain a mixture, and adjusting the pH of the mixture to between pH 2 and 4.5 with a buffer.

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