Chromogenic compounds and the use thereof as color former in copying or
recording materials
    1.
    发明授权
    Chromogenic compounds and the use thereof as color former in copying or recording materials 失效
    显色化合物及其在复制或记录材料中作为成色剂的用途

    公开(公告)号:US4444591A

    公开(公告)日:1984-04-24

    申请号:US351600

    申请日:1982-02-23

    摘要: Novel chromogenic fluoran compounds of the formula: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl radicals of from five to eight carbon atoms; R.sub.2 is selected from the group consisting of alkyl radicals of from one to eight carbon atoms; R.sub.3 is selected from the group consisting of hydrogen atom and lower alkyl radicals of from one to four carbon atoms; X.sub.1 and X.sub.2 are independently selected from the group consisting of hydrogen atom and lower alkyl radicals of from one to four carbon atoms, X.sub.3 is selected from the group consisting of hydrogen atom, lower alkyl radicals of from one to four carbon atoms, halogen atoms and trifluoromethyl radical; and n is an integer of a value of 1 or 2; providing that R.sub.1 does not represent an amyl radical when R.sub.2 is selected from the group consisting of alkyl radicals of from one to five carbon atoms, X.sub.1 and X.sub.2 are each a hydrogen atom, X.sub.3 is selected from the group consisting of hydrogen atom, lower alkyl radicals of from one to four carbon atoms and halogen atoms.

    摘要翻译: 新型的显色荧烷化合物,其分子式为:其中R 1选自5-8个碳原子的烷基; R2选自1-8个碳原子的烷基; R3选自氢原子和1-4个碳原子的低级烷基; X 1和X 2独立地选自氢原子和1至4个碳原子的低级烷基,X 3选自氢原子,1至4个碳原子的低级烷基,卤素原子和 三氟甲基; n为1或2的整数; 当R2选自1至5个碳原子的烷基时,R1不表示戊基,X1和X2各自为氢原子,X3选自氢原子,低级烷基 一至四个碳原子的基团和卤素原子。

    Phthalide compound and recording material using the compound
    5.
    发明授权
    Phthalide compound and recording material using the compound 失效
    使用该化合物的苯酞化合物和记录材料

    公开(公告)号:US5286702A

    公开(公告)日:1994-02-15

    申请号:US873938

    申请日:1992-04-24

    摘要: The present invention provides a novel phthalide compound represented by the following formula, which rapidly forms blue-blue black color with a developer when it is used as a recording material and, since a color image formed therewith has an intense absorption at 700.about.50 nm, it is usable for optical character reader; ##STR1## where R.sup.1 and R.sup.2 represent, independently, alkyl group having 6 or less carbon atoms; cycloalkyl group having 5 or 6 carbon atoms; aryl group; or heterocyclic ring connecting R.sup.1, R.sup.2 and N, R.sup.3 and R.sup.4 represent, independently, alkyl group having 6 or less carbon atoms; cycloalkyl group having 5 or 6 carbon atoms; aryl group; a heterocyclic ring connecting R.sup.3, R.sup.4 and N, X.sup.1 .about.X.sup.3 represent, independently, hydrogen atom, alkyl group having 6 or less carbon atoms, alkoxy group having 6 or less carbon atom or halogen atom, X.sup.4 represents hydrogen atom, alkyl group having 6 or less carbon atoms, alkoxy group having 6 or less carbon atom, halogen atom or ##STR2##

    摘要翻译: 本发明提供了一种由下式表示的新颖的苯酞化合物,当用作记录材料时,它用显影剂迅速形成蓝 - 蓝黑色,并且由于其形成的彩色图像在700-50nm处具有强吸收 ,可用于光学字符读取器; (*化学结构*)其中R 1和R 2独立地表示具有6个或更少个碳原子的烷基; 具有5或6个碳原子的环烷基; 芳基; 或R 1,R 2和N 3,R 4和R 4的杂环独立地表示具有6个或更少个碳原子的烷基; 具有5或6个碳原子的环烷基; 芳基; 连接R 3,R 4和N的杂环,X 1 -X 3独立地表示氢原子,碳原子数6以下的烷基,碳原子数6以下的烷氧基或卤原子,X 4表示氢原子,烷基6 或更少的碳原子,具有6个或更少碳原子的烷氧基,卤素原子或(*化学结构*)

    Thermosensitive recording material
    6.
    发明授权
    Thermosensitive recording material 失效
    耐热记录材料

    公开(公告)号:US5179066A

    公开(公告)日:1993-01-12

    申请号:US866052

    申请日:1992-04-08

    IPC分类号: B41M5/337

    CPC分类号: B41M5/3375

    摘要: This invention relates to a thermosensitive recording material containing at least one of durene derivative represented by the formula (I): ##STR1## wherein Z represents CH.sub.2 OX or H, X represents an alkyl group, a cycloalkyl group, a substituted or unsubstituted aralkyl group or aryl group, or --COR group where R represents an alkyl group or a substituted or unsubstituted aryl group,in a recording layer which contains a leuco dye and a color-developing agent which reacts with said dye so as to form a color by heating, and the thermosensitive recording material having high color sensitivity can be obtained.

    摘要翻译: 本发明涉及含有式(I)表示的杜烯衍生物中的至少一种的热敏记录材料:其中Z表示CH2OX或H,X表示烷基,环烷基,取代或未取代的 芳烷基或芳基,或-COR基团,其中R表示烷基或取代或未取代的芳基,在含有无色染料的记录层和与所述染料反应形成颜色的显色剂 并且可以获得具有高色感的热敏记录材料。

    Heat-sensitive recording material

    公开(公告)号:US4814320A

    公开(公告)日:1989-03-21

    申请号:US059525

    申请日:1987-06-08

    摘要: Disclosed herein is a heat-sensitive recording material in which a chromogenic dye-procursor comprises:(A) a mixture comprising at least two divinyl phthalide compounds represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 represent respectively alkyl group of 1 to 6 carbon atoms, alkyl group of 1 to 4 carbon atoms having an alkoxy group of 1 to 4 carbon atoms or cycloalkyl group of 5 to 7 carbon atoms, X.sup.1 and X.sup.2 represent respectively hydrogen atom, alkyl group of 1 to 8 carbon atoms, alkoxy group of 1 to 8 carbon atoms, alkoxy group of 1 to 4 carbon atoms having an alkoxy group of 1 to 4 carbon atoms, cycloalkoxy group of 5 to 7 carbon atoms, alkenyloxy group of 3 to 8 carbon atoms, benzyloxy group, substituted benzyloxy group, furfurloxy group, tetrahydrofurfuryloxy group, phenyl group, substituted phenyl group, phenoxy group, substituted phenoxy group, fluorine atom, chlorine atom or bromine atom, m and n represent 0 or integer of 1 to 4, m+n=4 and R.sup.1 and R.sup.2 may join together to form a heterocyclic ring, or(B) a mixture of the divinyl phthalide compound(s) represented by the formula (I) and at least one compound selected from the compounds represented by the formulas (II), (III) and (IV): ##STR2## wherein R.sup.3 -R.sup.14 represent alkyl group of 1 to 6 carbon atoms, alkyl group of 1 to 4 carbon atoms each having an alkoxy group of 1 to 4 carbon atoms, cycloalkyl group of 5 to 7 carbon atoms, phenyl group, substituted phenyl group or tetrahydrofurfuryl group, p and q represent 0 or integer of 1 to 4 p+q=4, X.sup.3 represents hydrogen atom, alkyl group of 1 to 4 carbons or chlorine atom, X.sup.4 and X.sup.5 respectively represent hydrogen atom, alkyl group of 1 to 4 carbon atoms, flurine atom, chlorine atom or trifluoromethyl group, R.sup.3 and R.sup.4, R.sup.5 and R.sup.6, R.sup.7 and R.sup.8, R.sup.9 and R.sup.10, R.sup.11 and R.sup.12, and R.sup.13 and R.sup.14 may join together to form heterocyclic rings.

    Chromogenic 1-(3-methoxy-4-alkoxyphenyl)-2-(2'-quinolyl)ethylene
compounds
    10.
    发明授权
    Chromogenic 1-(3-methoxy-4-alkoxyphenyl)-2-(2'-quinolyl)ethylene compounds 失效
    显色1-(3-甲氧基-4-烷氧基苯基)-2-(2'-喹啉基)乙烯化合物

    公开(公告)号:US4598150A

    公开(公告)日:1986-07-01

    申请号:US580604

    申请日:1984-02-16

    摘要: The present invention relates to a novel compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 respectively represent hydrogen atom, lower alkyl group of 1 to 5 carbon atoms, lower alkoxy group of 1 to 5 carbon atoms or halogen atom; R.sup.3 represents hydrogen atom, alkyl group of 1 to 12 carbon atoms, alkoxyalkyl group of 1 to 12 carbon atoms, halogenoalkyl group of 1 to 12 carbon atoms, phenyl group which may be substituted or benzyl group which may be substituted; and m and n are an integer of 1 or 2; providing the R.sup.1 and R.sup.2 do not represent hydrogen atom, methyl group and methoxy group when R.sup.3 represents hydrogen atom or methyl group.Further, the present invention relates to color developing compositions suitable for use in a recording material and pressure- or heat-sensitive recording sheet containing the novel compound of the formula (I).

    摘要翻译: 本发明涉及下式的新型化合物:其中R 1和R 2分别表示氢原子,1至5个碳原子的低级烷基,1至5个碳原子的低级烷氧基或卤原子; R3表示氢原子,1〜12个碳原子的烷基,1〜12个碳原子的烷氧基烷基,1〜12个碳原子的卤代烷基,可被取代的苯基或可被取代的苄基; m和n为1或2的整数; 当R3表示氢原子或甲基时,R1和R2不表示氢原子,甲基和甲氧基。 此外,本发明涉及适用于含有式(I)的新型化合物的记录材料和压敏或热敏记录片材的彩色显影组合物。