发明授权
US3994834A Triazolyl stilbene brighteners method of preparing and detergents therewith 失效
三唑基二苯乙烯增白剂的制备方法和洗涤剂

Triazolyl stilbene brighteners method of preparing and detergents
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摘要:
The stilbene compound of the formula ##SPC1##Exists in three crystal modifications. Two of them are valuable as brighteners for preparing colorless detergents. The stilbene compound is prepared from the corresponding sulphonic acids, their mono- or di-sodium salts.
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