发明公开
EP0780445A1 Process for the production of granular pigment and coloring composition
失效
Verfahren zur Herstellung eines Pigmentgranulats sowieFärbemittel
- 专利标题: Process for the production of granular pigment and coloring composition
- 专利标题(中): Verfahren zur Herstellung eines Pigmentgranulats sowieFärbemittel
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申请号: EP96308760.6申请日: 1996-12-04
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公开(公告)号: EP0780445A1公开(公告)日: 1997-06-25
- 发明人: Sun, Ru-Shiong , Chang, Ting-Wei , Kawasaki, Shinji, c/o Toyo Ink Manuf.Co.,Ltd.
- 申请人: TOYO INK MANUFACTURING CO., LTD. , Cosmos Colorants Co., Ltd.
- 申请人地址: No. 3-13, Kyobashi 2-chome Chuo-ku Tokyo JP
- 专利权人: TOYO INK MANUFACTURING CO., LTD.,Cosmos Colorants Co., Ltd.
- 当前专利权人: TOYO INK MANUFACTURING CO., LTD.,Cosmos Colorants Co., Ltd.
- 当前专利权人地址: No. 3-13, Kyobashi 2-chome Chuo-ku Tokyo JP
- 代理机构: Woods, Geoffrey Corlett
- 优先权: JP350466/95 19951222
- 主分类号: C09B67/06
- IPC分类号: C09B67/06 ; C09B67/20
摘要:
An industrially advantageous process for the production of a granular aqueous pigment having a water content of 30 to 50% by weight, which process comprises dehydrating an organic pigment wet cake at 20 to 80°C while pulverizing and stirring the cake.
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