发明授权
- 专利标题: Process for preparation of organic pigments
- 专利标题(中): 有机颜料的制备方法
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申请号: US860423申请日: 1986-05-07
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公开(公告)号: US4734137A公开(公告)日: 1988-03-29
- 发明人: Shigekazu Kasahara , Takashi Saito , Fumio Arai
- 申请人: Shigekazu Kasahara , Takashi Saito , Fumio Arai
- 申请人地址: JPX Shinnanyo
- 专利权人: Toyo Soda Manufacturing Co., Ltd.
- 当前专利权人: Toyo Soda Manufacturing Co., Ltd.
- 当前专利权人地址: JPX Shinnanyo
- 优先权: JPX60-97864 19850510
- 主分类号: C09D11/00
- IPC分类号: C09D11/00 ; B41J2/01 ; B41J29/38 ; C08K9/00 ; C08K9/04 ; C08L67/00 ; C08L83/00 ; C08L83/02 ; C09B67/00 ; C09B67/08 ; C09B67/20 ; C09D11/02 ; G06F3/12 ; C09B67/10
摘要:
Organic pigments are prepared by dissolving at least one organic pigment in a non-protonic polar solvent in the presence of a caustic alkali and water, and adding to the solution an acid having an acrylic resin dissolved therein to effect neutralization and reprecipitation.
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