Patent ID: 6627229
Filing Date: 2003-09-30
Classification: A61K,Y10S

Abstract:
An antiviral agent consisting essentially of an effective amount of an active ingredient prepared by:(1) washing a calcium component containing substance selected from the group consisting of clamshell, eggshell, crustacean shell, coral and pearl; (2) performing a pre-pulverizing step by pulverizing said calcium component containing substance into a granular form so that an average particle size is 100 &mgr;m to 20 mm; (3) heat-treating the calcium component containing substance from step (2) at a temperature of from 700Â° C. to 1200Â° C. for 3 to 8 hours; (4) cooling the heat-treated calcium component containing substance from step (3); and (5) pulverizing the cooled calcium component containing substance from step (4) to obtain an active antiviral ingredient with an average particle that is between 5 &mgr;m and 10 &mgr;m.