Invention Grant
- Patent Title: Organic pigment with high transparency and hydrophobicity
- Patent Title (中): 有机颜料具有高透明度和疏水性
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Application No.: US10204012Application Date: 2002-08-15
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Publication No.: US06706863B2Publication Date: 2004-03-16
- Inventor: Isao Hashimoto , Noboru Tsuda , Hiroshi Ohsawa , Tomonori Okazaki , Manabu Shiga , Kohei Ohtsuki
- Applicant: Isao Hashimoto , Noboru Tsuda , Hiroshi Ohsawa , Tomonori Okazaki , Manabu Shiga , Kohei Ohtsuki
- Priority: JP2000-389814 20001222
- Main IPC: C09B3522
- IPC: C09B3522
Abstract:
The present invention provides Pigment Yellow 180 having an excellent transparency produced by using a fine slurry of 5-acetoacetylamino-benzimidazolone as a coupling component when Pigment Yellow 180 is produced by coupling reaction of 5-acetoacetylamino-benzimidazolone and diazo component obtained by diazotization of 1,2-bis(2-aminophenoxy)ethane.
Public/Granted literature
- US20030040559A1 Organic pigment with high transparency and hydrophobicity Public/Granted day:2003-02-27
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