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Delivery of beta-blockers through an inhalation route

  • US 7,465,435 B2
  • Filed: 05/23/2006
  • Issued: 12/16/2008
  • Est. Priority Date: 05/24/2001
  • Status: Expired due to Fees
First Claim
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1. A condensation aerosol for delivery of atenolol formed by heating a composition containing atenolol coated on a solid support to form a vapor and condensing the vapor to form a condensation aerosol comprising particles, wherein the particles comprise at least 10 percent by weight of atenolol and less than 5 percent by weight of atenolol degradation products, and the condensation aerosol has an MMAD of less than 5 microns.

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