发明授权
US5786313A 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:
Disclosed is the use of glycine-N,N-diacetic acid derivatives as their alkali metal, alkaline earth metal, ammonium and substituted ammonium salts as complexing agents for alkaline earth and heavy metal ions, except with .alpha.-alanine-N,N-diacetic acid, as textile detergent builders in powdered detergent formulations and as calcium sequestering agents in oral hygiene products.
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