[EN] PROCESS FOR THE PREPARATION OF A MIXTURE OF CHELATING AGENTS, MIXTURE OF CHELATING AGENTS AND METHODS OF USING THEM<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN MÉLANGE D'AGENTS CHÉLATANTS, MÉLANGE D'AGENTS CHÉLATANTS ET PROCÉDÉS D'UTILISATION DE CEUX-CI
申请人:KEMIRA OYJ
公开号:WO2019002685A1
公开(公告)日:2019-01-03
The present invention relates to a process for in situ the preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine derivatives with maleic acid and then with 2-halocarboxylic acid, to mixtures of chelating agents and methods using such chelating agents.
Process for the preparation of a mixture of chelating agents, mixture of chelating agents and methods of using them
申请人:Kemira Oyj
公开号:US11225456B2
公开(公告)日:2022-01-18
The present invention relates to a process for in situ the preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine derivatives with maleic acid and then with 2-halocarboxylic acid, to mixtures of chelating agents and methods using such chelating agents.