发明授权
US5916360A Process for the preparation of iron oxide yellow pigments and the use thereof 失效
氧化黄黄色素的制备方法及其用途

Process for the preparation of iron oxide yellow pigments and the use
thereof
摘要:
The present invention relates to a process for the preparation of iron oxide yellow pigments by the process of precipitation from iron(II) chloride and from an alkaline component as well as the use thereof.
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