Patent ID: 6806243
Filing Date: 2004-10-19
Classification: A61L,A61P

Abstract:
An ophthalmic solution which comprises at least one germicidal/preservative component selected from the group consisting of biguanides and quaternary ammonium salts, further comprising;at least one amino-acid-based component selected from the group consisting of amino acids each having an isoelectric point of not smaller than 4 and a molecular weight of not smaller than 89, salts of said amino acids, and derivatives of said amino acids; at least one acidic component selected from the group consisting of glycolic acid, lactic acid, gluconic acid, aspartic acid, glutamic acid, and pyrophosphoric acid; sodium chloride, the concentration of which in said ophthalmic solution is adjusted to be held in a range of 0-0.2 wt. %; and phosphate, a concentration of which in said ophthalmic solution is adjusted to be held in a range of 0-0.5 wt. %.