Triazinyl flavonate brighteners
    2.
    发明申请
    Triazinyl flavonate brighteners 审中-公开
    三嗪基黄酮增白剂

    公开(公告)号:US20090227712A1

    公开(公告)日:2009-09-10

    申请号:US11630060

    申请日:2005-06-15

    IPC分类号: C08K5/3492 C07D251/68

    摘要: The invention relates to compounds of formula (I) wherein R1, R2, R3 and R4 independently represent OR3 or NR6R7; R5, R6 and R7 independently represent hydrogen, substituted or unsubstituted alkyl, especially C1-C4 alkyl, or substituted or unsubstituted aryl, especially C6-C10 aryl; R6, R7 can also form an aliphatic or aromatic ring, together with the N atom to which they are bonded and optionally other heteroatoms; M represents hydrogen, an equivalent of a monovalent or bivalent metal ion, especially from the group of alkali metals or alkaline earth metals, or of an optionally organically substituted ammonium ion; and B1 represents a bivalent binding link.

    摘要翻译: 本发明涉及式(I)化合物,其中R 1,R 2,R 3和R 4独立地表示OR 3或NR 6 R 7; R5,R6和R7独立地表示氢,取代或未取代的烷基,特别是C1-C4烷基,或取代或未取代的芳基,特别是C6-C10芳基; R6,R7还可以与它们所键合的N原子和任选的其它杂原子一起形成脂族或芳族环; M表示氢,相当于一价或二价金属离子,特别是碱金属或碱土金属或任选有机取代的铵离子; B1表示二价结合连接。

    FLUORESCENT WHITENING AGENT COMPOSITIONS
    5.
    发明申请
    FLUORESCENT WHITENING AGENT COMPOSITIONS 有权
    荧光剂白色组合物

    公开(公告)号:US20140034258A1

    公开(公告)日:2014-02-06

    申请号:US14006860

    申请日:2012-03-22

    IPC分类号: D21H21/30

    摘要: The invention relates to a composition suitable for optically whitening paper or board, wherein the composition contains specified bis-triazinylamino-stilbene fluorescent whitening agents with carboxylic acid and/or sulfonic acid groups. The composition can be used for whitening paper in the pulp, size press or by coating.

    摘要翻译: 本发明涉及一种适用于光学美白纸或纸板的组合物,其中该组合物含有特定的具有羧酸和/或磺酸基团的双 - 三嗪基氨基 - 二苯乙烯荧光增白剂。 该组合物可用于在纸浆,压片机中或通过涂布来增白纸。

    Alkanolammonium-containing triazinyl flavonate whiteners
    9.
    发明申请
    Alkanolammonium-containing triazinyl flavonate whiteners 有权
    含烷醇铵的三嗪基黄酮增白剂

    公开(公告)号:US20060065381A1

    公开(公告)日:2006-03-30

    申请号:US11187735

    申请日:2005-07-22

    IPC分类号: D21H21/30

    CPC分类号: D21H21/30 D21H17/28 D21H21/16

    摘要: Process for whitening paper in the size press, characterized in that the size press liquor contains a whitener of the formula I in which X, independently of one another, denote a radical of the formula and R1 represents C1-C6-alkyl and R2 represents H, or R1 represents H and R2 represents C1-C6-alkyl, and, independently thereof, R3 represents H, methyl, ethyl, CH2CH2OH or CH2CH2OCH3, R1′ represents C1-C6-alkyl and R2′ represents H, or R1′ represents H and R2′ represents C1-C6-alkyl, and, independently thereof, R3′ represents H, methyl, ethyl, CH2CH2OH or CH2CH2OCH3 and R4 represents C1-C4-alkyl and M denotes H, one equivalent of an inorganic cation, in particular Li, Na, K, Ca, Mg or ammonium, or a substituted ammonium of the formula II in which R5 to R7, independently of one another, denote hydrogen, a C1-C4-alkyl radical or an optionally further substituted C2-C4-hydroxyalkyl radical, and R8 denotes an optionally further substituted C2-C4-hydroxyalkyl radical, at least 10 mol % of all cations M corresponding to the formula II.

    摘要翻译: 在压片机中增白纸的方法,其特征在于,压榨液含有式I的增白剂