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    • 2. 发明授权
    • Imaging materials containing novel benzothiazine dyes
    • 含有新型苯并噻嗪染料的成像材料
    • US06558888B1
    • 2003-05-06
    • US10071287
    • 2002-02-08
    • Margaret J. HelberDouglas M. WillisJohn DiCillo
    • Margaret J. HelberDouglas M. WillisJohn DiCillo
    • G03C183
    • G03C1/832
    • This invention relates to an imaging element comprising a dye represented by Formulae II and IIA below: wherein; R1 represents a hydrogen, an aryl group containing 6 to 14 carbon atoms, or an alkyl group containing 1 to 12 carbon atoms; R2 and R3 together form an aromatic carbocyclic or heterocyclic ring system containing 6 to 14 atoms; X represents a sulfoxide (S═O), sulfone (SO2), carbonyl (C═O) or dicyanovinyl (C(CN)2) group, and Y represents a sulfoxide (S═O), sulfone (SO2), carbonyl (C═O) or dicyanovinyl (C(CN)2) group, with the proviso that X and Y cannot both be carbonyl; L1, L2, and L3 represent methine groups, wherein the methine groups may combine to form a 5- or 6-membered ring when m is equal to or >1; m is 0, 1, 2, or 3; W is an aryl group; and D is a moiety in conjugation with the X and Y groups.
    • 本发明涉及一种成像元件,它包括由下式II和IIA表示的染料:其中R1表示氢,含有6至14个碳原子的芳基或含有1至12个碳原子的烷基; R2和R3一起 形成含有6至14个原子的芳族碳环或杂环系; X表示亚砜(S = O),砜(SO 2),羰基(C = O)或二氰基乙烯基(C(CN)2)基团,Y表示 亚砜(S = O),砜(SO2),羰基(C = O)或二氰基乙烯基(C(CN)2)),条件是X和Y不能都是羰基; L1,L2和L3代表次甲基 其中当m等于或> 1; m为0,1,2或3时,次甲基可以结合形成5-或6-元环; W是芳基; 和D是与X和Y基团共轭的部分。