发明授权
US6005141A Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing agents for alkaline earth metal ions and heavy metal ions and process for the preparation thereof 失效
甘氨酸-N,N-二乙酸衍生物作为碱土金属离子和重金属离子的可生物降解络合剂的用途及其制备方法

Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing
agents for alkaline earth metal ions and heavy metal ions and process
for the preparation thereof
摘要:
Glycine-N,N-diacetic acid derivatives and their alkali metal, alkaline earth metal, ammonium and substituted ammonium salts are used as complexing agents for alkaline earth metal and heavy metal ions with the exception of .alpha.-alanine-N,N-diacetic acid as textile detergent builders in powder detergent formulations and as calcium sequestrants in oral hygiene products.
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