发明授权
- 专利标题: N-Acylaminonaphthalimides
- 专利标题(中): N-酰氨基萘二酰亚胺
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申请号: US686368申请日: 1976-05-14
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公开(公告)号: US4139532A公开(公告)日: 1979-02-13
- 发明人: Horst Scheuermann , Albert Hettche
- 申请人: Horst Scheuermann , Albert Hettche
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 主分类号: C07D221/14
- IPC分类号: C07D221/14 ; C07D401/12 ; C07D413/12 ; C09K11/06
摘要:
Compounds of the formula: ##STR1## in which one R is identical with or different from the other R and each is alkyl, hydroxyalkyl, alkoxyalkyl, haloalkyl, cycloalkyl, aralkyl, aryl, N,N-dialkylaminoalkyl or quaternized N,N-dialkylaminoalkyl; A is ##STR2## or ##STR3## R.sup.1 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, aralkyl, aryl or heteroaryl;B is --CH.dbd.CH--, --CCl.dbd.CH--, --CCl.dbd.CCl--, --CH.dbd.CBr--, --CH.sub.2 --CH.sub.2 --,1,2-phenylene, 1,8-naphthylene or 1,2-phenylene or 1,8-naphthylene bearing chloro, bromo, methoxy or ethoxy as a substituent; and T is acyl.The compounds are eminently suitable as optical brighteners, particularly for polyesters and blends of polyester and cotton.
公开/授权文献
- US5204917A Modular hearing aid 公开/授权日:1993-04-20
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