发明授权
- 专利标题: Transparent, high strength organic pigments and process for making same
- 专利标题(中): 透明,高强度有机颜料及其制造方法
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申请号: US376618申请日: 1989-07-07
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公开(公告)号: US4927466A公开(公告)日: 1990-05-22
- 发明人: Byron G. Hays
- 申请人: Byron G. Hays
- 申请人地址: NJ Parsipppany
- 专利权人: BASF Corp.
- 当前专利权人: BASF Corp.
- 当前专利权人地址: NJ Parsipppany
- 主分类号: C09B41/00
- IPC分类号: C09B41/00
摘要:
High strength, highly transparent azo pigments have mean ultimate particle size of from 0.010 micron to 0.040 micron. These pigments are produced by a process in which the azo compound is reacted with a coupler in the presence of one or more of a specific group of surface active agents.
公开/授权文献
- US5673422A Semiconductor integrated circuit for processing image data 公开/授权日:1997-09-30
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