发明名称 IMPROVED OPTICAL BRIGHTENING COMPOSITIONS
摘要 PROBLEM TO BE SOLVED: To provide mixed salts of optical brighteners comprising Mg2+, which provide superior optical brightening effects when applied to the surface of paper.SOLUTION: This invention provides a compound represented by formula (1) (R1 and R 2 are hydrogen or SO3-; and M is a mixture of Mgwith another cation).
申请公布号 JP2015120690(A) 申请公布日期 2015.07.02
申请号 JP20140253266 申请日期 2014.12.15
申请人 CLARIANT FINANCE BVI LTD 发明人 ANDREW CLIVE JACKSON;DAVID PUDDIPHATT;SEDRIK KLJAJN
分类号 C07D251/70;C09B57/00;D06P1/00;D06P3/60;D21H19/10;D21H21/30 主分类号 C07D251/70
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