发明授权
- 专利标题: Processes for the preparation of mixed squaraine compositions
- 专利标题(中): 制备混合方酸组合物的方法
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申请号: US793008申请日: 1985-10-30
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公开(公告)号: US4607124A公开(公告)日: 1986-08-19
- 发明人: Peter M. Kazmaier , Giuseppa Baranyi , Cheng-Kuo Hsiao , Richard A. Burt
- 申请人: Peter M. Kazmaier , Giuseppa Baranyi , Cheng-Kuo Hsiao , Richard A. Burt
- 申请人地址: CT Stamford
- 专利权人: Xerox Corporation
- 当前专利权人: Xerox Corporation
- 当前专利权人地址: CT Stamford
- 主分类号: C09B67/22
- IPC分类号: C09B67/22 ; G03G5/06 ; C07C85/00 ; C07C85/02 ; C07C85/06 ; C07C87/50
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
- US5760679A Acoustic warning device, particularly for motor vehicles 公开/授权日:1998-06-02
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