发明授权
- 专利标题: Method for producing transparent Pigment Violet 23
- 专利标题(中): 透明颜料紫的制造方法23
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申请号: US12531797申请日: 2008-02-28
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公开(公告)号: US07892345B2公开(公告)日: 2011-02-22
- 发明人: Wolfgang Hoyer , Leonhard Unverdorben
- 申请人: Wolfgang Hoyer , Leonhard Unverdorben
- 申请人地址: VG Tortola
- 专利权人: Clariant Finance (BVI) Limited
- 当前专利权人: Clariant Finance (BVI) Limited
- 当前专利权人地址: VG Tortola
- 代理商 Anthony A. Bisulca
- 优先权: DE102007013962 20070323
- 国际申请: PCT/EP2008/001590 WO 20080228
- 国际公布: WO2008/116541 WO 20081002
- 主分类号: C09B67/10
- IPC分类号: C09B67/10 ; C09B67/04 ; C09D11/02
摘要:
The invention accordingly relates to a method for preparing transparent C.I. Pigment Violet 23 by salt kneading a Pigment Violet 23-crude in the presence of a crystalline salt and an organic liquid. Said method is characterized in that the organic liquid is propylene carbonate.
公开/授权文献
- US20100101456A1 Method for Producing Transparent Pigment Violet 23 公开/授权日:2010-04-29
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