发明授权
US4607124A Processes for the preparation of mixed squaraine compositions 失效
制备混合方酸组合物的方法

Processes for the preparation of mixed squaraine compositions
摘要:
An improved process for the preparation of mixed squaraine compositions which comprises reacting squaric acid, an aromatic amine, and a fluoroaniline, in the presence of an aliphatic alcohol, and an optional azeotropic substance. Also disclosed are mixed squaraine composition products of the following formulas: ##STR1##
公开/授权文献
信息查询
0/0