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Home › Process for preparing 2,2'-methylene-bis(6-(2H-benzotriazol-2-yl)-4-hydrocarbyl phenols)

Process for preparing 2,2'-methylene-bis(6-(2H-benzotriazol-2-yl)-4-hydrocarbyl phenols)

US Patent 5237071 · Granted Aug 17, 1993

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