Patent ID: 8729135

Claim:
A stable aqueous glutaraldehyde solution comprising the following ingredients: a 2% to 45% m/v solution of glutaraldehyde (OCH (CH 2 ) 3 CHO); an alcohol ethoxylate non-ionic surfactant; sodium acetate trihydrate (NaC 2 H 3 O 2 ); and sufficient amount of a pH modifier to bring an initial pH of the solution of 6.0 to 8.5; wherein the glutaraldehyde is complexed with the alcohol ethoxylate non-ionic surfactant using heat of at least 45° C. and duration of at least 15 min and the alcohol ethoxylate is not a phenyl ethoxylate, and the ingredients are present in amounts such that the pH of the solution does not fall below 5.0 for at least two years.