US 12,133,929 B2
Antimicrobial agent containing hypochlorous acid
Yoshikatsu Ikemoto, Tokyo (JP)
Assigned to FREEKIRA PHARMACEUTICAL INC., Tokyo (JP)
Appl. No. 16/768,229
Filed by FREEKIRA PHARMACEUTICAL INC., Tokyo (JP)
PCT Filed Nov. 29, 2018, PCT No. PCT/JP2018/044071
§ 371(c)(1), (2) Date Aug. 5, 2020,
PCT Pub. No. WO2019/107510, PCT Pub. Date Jun. 6, 2019.
Claims priority of application No. 2017-228845 (JP), filed on Nov. 29, 2017; and application No. 2018-207983 (JP), filed on Nov. 5, 2018.
Prior Publication US 2020/0390919 A1, Dec. 17, 2020
Int. Cl. A61L 2/18 (2006.01); A61L 101/06 (2006.01)
CPC A61L 2/18 (2013.01) [A61L 2101/06 (2020.08); A61L 2202/24 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An antimicrobial agent consisting a hypochlorous acid aqueous solution preventing chlorine gas generation under pH 7, wherein said aqueous solution consists of sodium hypochlorite, purified water, and 9.5-10.5% (W/V) dilute hydrochloric acid,
and the effective chlorine concentration range in said aqueous solution is between 150 and 260 ppm, and pH range of said aqueous solution is between 3.0 and 4.5, whereby
said antimicrobial agent disinfects bacteria within 1 minute.