发明授权
- 专利标题: Strong green-shade yellow disazo pigment
- 专利标题(中): 强绿色黄色双双色素
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申请号: US131719申请日: 1998-08-10
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公开(公告)号: US5889162A公开(公告)日: 1999-03-30
- 发明人: Byron G. Hays
- 申请人: Byron G. Hays
- 申请人地址: NJ Iselin
- 专利权人: Engelhard Corporation
- 当前专利权人: Engelhard Corporation
- 当前专利权人地址: NJ Iselin
- 主分类号: C09B33/153
- IPC分类号: C09B33/153 ; C09B41/00 ; C09B67/46 ; C09D7/00 ; C09D11/02 ; C09B67/20 ; C09D11/00
摘要:
In one embodiment, the present invention relates to a green shade yellow pigment composition comprising a compound having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, halogen, an alkyl group having 1 to about 4 carbon atoms, an alkoxy group having 1 to about 4 carbon atoms, an alkoxycarbonyl group having 1 to about 6 carbon atoms, nitro, cyano, phenoxy or trifluoromethyl. The green shade yellow pigment composition is suitable for use in plastics, paints and inks.
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