GENEVA, June 24 -- POSCO HOLDINGS INC. (6261, Donghaean-ro,Nam-gu, Pohang-si,Gyeongsangbuk-do 37859), 포스코홀딩스 주식회사 (경상북도포항시 남구동해안로 6261), POSCO CO., LTD (6261, Donghaean-ro,Nam-gu, Pohang-si,Gyeongsangbuk-do 37859), 주식회사 포스코 (경상북도포항시 남구동해안로 6261) filed a patent application (PCT/KR2024/096327) for "RECYCLING METHOD OF VALUABLE METAL, AND RECOVERED VALUABLE METAL ALLOY PARTICLES AND SULFATE SOLUTION THEREFROM" on Oct 11, 2024. With publication no. ...