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    • 43. 发明授权
      US07097961B2 Stabilizers for use in substantially light-insensitive thermographic recording materials 有权
    • Stabilizers for use in substantially light-insensitive thermographic recording materials
    • US07097961B2
    • 2006-08-29
    • US11127645
    • 2005-05-12
    • Frank Louwet , Johan Loccufier
    • Frank Louwet , Johan Loccufier
    • G03C1/494 , G03C1/34
    • G03C1/4989 , G03C1/49845 , Y10S430/165 , Y10S430/166
    • A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one stabilizer represented by formula (I): wherein R1, R2, R3 and R4 are independently selected from the group consisting of a hydrogen atom, halogen atoms and aliphatic, alkoxy, nitro, acyl, sulfonyl, nitrile, alkaryl, aryl, amino, thioalkyl, aldehyde, urea, —O—(C═O)-alkyl, —O—(C═O)-aryl, —O—(C═O)—O-alkyl, —O—(C═O)—O-aryl, —NH—(C═O)-alkyl, —NH—(C═O)-aryl, —(C═O)—NH-alkyl, —(C═O)—NH-aryl, —NH—(SO2)-alkyl, —NH—(SO2)-aryl, —(SO2)—NH-alkyl, —(SO2)—NH-aryl groups; X is represented by -A(-M)n or is selected from the group consisting of substituted aliphatic groups, unsubstituted aliphatic groups, substituted cycloaliphatic groups, unsubstituted cycloaliphatic groups, substituted aromatic groups and unsubstituted aromatic groups where in each of said groups one or more of the chain or ring carbon atoms may be substituted by one of more atoms selected from the group consisting of S, O, Si, N and P atoms; n is 2, 3 or 4; A is selected from the group consisting of substituted aliphatic groups, unsubstituted aliphatic groups, substituted cycloaliphatic groups, unsubstituted cycloaliphatic groups, substituted aromatic groups and unsubstituted aromatic groups where in each of said groups one or more of the chain or ring carbon atoms may be substituted by one of more atoms selected from the group consisting of S, O, Si, N and P atoms; each (-M) is independently a substituted or unsubstituted group selected from the group consisting of -(2-S-imidazole) groups and -(2-S-imidazole) groups annelated with an aromatic ring system, the optional substituents for -M being selected from the group consisting of halogen atoms and aliphatic, alkoxy, nitro, acyl, sulfonyl, nitrile, alkaryl and aryl groups.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 44. 发明授权
      US07018786B2 Toning agents for use in thermographic recording materials 失效
    • Toning agents for use in thermographic recording materials
    • 用于热敏记录材料的调色剂
    • US07018786B2
    • 2006-03-28
    • US10737495
    • 2003-12-16
    • Ingrid Geuens , Johan Loccufier , Vera Drieghe
    • Ingrid Geuens , Johan Loccufier , Vera Drieghe
    • C03C1/35 , C03C1/494 , C03C1/498 , C03C5/29
    • G03C1/4989 , G03C1/49845 , Y10S430/165 , Y10S430/166
    • A black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one toning agent, wherein the at least one toning agent is represented by formula (I): wherein R1 is a hydrogen atom or an alkyl, an alkenyl, an alkynyl, a cycloalkyl, an alkaryl, an aryl, a heterocyclic or a heteroaryl group all of which may be optionally substituted; with the proviso that R1 may not be a hydrogen atom if both R2 and R3 are both hydrogen atoms; R2 and R3 are independently a hydrogen or a halogen atom or an amino, amide, ester, carboxy, carbonate, alkyl, alkenyl, alkynyl, cycloalkyl, alkaryl, aryl, heterocyclic or heteroaryl group all of which may be optionally substituted; R2 and R3 may together represent the atoms necessary to complete a heteroaromatic ring with no more than one nitrogen atom, an alicyclic or a heterocyclic group which all may be optionally substituted; and X is a carbonyl group, or is —N—R4, where R4 is an alkyl group.
    • 一种包含支持体和热敏元件的黑色和白色单片热成像记录材料，所述热敏元件含有基本上不光敏的有机银盐，与其热加工关系的有机还原剂，粘合剂和至少一种调色剂，其中 所述至少一种调色剂由式（I）表示：其中R 1是氢原子或烷基，烯基，炔基，环烷基，烷芳基，芳基，杂环或 全部可以任选被取代的杂芳基; 条件是如果R 2和R 3两个都是氢原子，R 1可以不是氢原子; R 2和R 3独立地是氢或卤素原子或氨基，酰胺，酯，羧基，碳酸酯，烷基，烯基，炔基，环烷基，烷芳基，芳基 ，杂环或杂芳基，其全部可以任选被取代; R 2和R 3可以一起表示完成具有不超过一个氮原子的杂芳环所必需的原子，所有可以任选取代的脂环族或杂环基 ; 并且X是羰基，或者是-N-R 4，其中R 4是烷基。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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