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58 条记录 (耗时 0.026 秒)

    Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers, and color-developing sheets employing the agents
    1.
    发明授权
    Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers, and color-developing sheets employing the agents 失效
    水杨酸共聚物及其金属盐，其制备方法，包含共聚物的金属盐的显色剂和使用该试剂的显色片

    公开(公告)号：US5023366A

    公开(公告)日：1991-06-11

    申请号：US111763

    申请日：1987-10-23

    申请人： Keizaburo Yamaguchi ,  Yoshimitsu Tanabe ,  Makoto Asano ,  Akihiro Yamaguchi

    发明人： Keizaburo Yamaguchi ,  Yoshimitsu Tanabe ,  Makoto Asano ,  Akihiro Yamaguchi

    IPC分类号： B41M5/155 ,  C08G61/02

    CPC分类号： C08G61/02 ,  B41M5/155

    摘要： Disclosed herein are salicylic acid copolymers having a weight average molecular weight of 500-10,000 and obtained (a) by condensing salicylic acid (i) with a benzyl alcohol (ii) and/or benzyl ether (iii) or a benzyl halide (iv) in the presence of an acid catalyst or (b) by reacting a co-condensation resin of (i) and (ii) and/or (iii) with (iv) or (c) by reacting a co-condensation resin of (i) and (ii) and/or (iii) or (iv) with a styrene derivative in the presence of an acid catalyst; multivalent metal salts of the salicylic acid copolymers; color-developing agents comprising the multivalent metal salts; and color-developing sheets suited for pressure-sensitive copying paper and comprising the color-developing agents. Their production processes are also disclosed.

    摘要翻译： 本文公开了重均分子量为500〜10,000的水杨酸共聚物，（a）通过将水杨酸（i）与苄醇（ⅱ）和/或苄基醚（ⅲ）或苄基卤（ⅳ） 在酸催化剂的存在下，或（b）通过使（i）和（ii）和/或（iii）的共缩合树脂与（iv）或（c）的共缩合树脂与 ）和（ii）和/或（iii）或（iv）与苯乙烯衍生物在酸催化剂存在下反应; 水杨酸共聚物的多价金属盐; 包含多价金属盐的显色剂; 以及适用于压敏复印纸并包含彩色显影剂的彩色显影纸。 他们的生产过程也被披露。

    Linear salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal-resins of the copolymers
    3.
    发明授权
    Linear salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal-resins of the copolymers 失效
    线性水杨酸共聚物及其金属盐，其制备方法，包含共聚物的金属 - 树脂的显色剂

    公开(公告)号：US4783521A

    公开(公告)日：1988-11-08

    申请号：US4323

    申请日：1987-01-16

    申请人： Akihiro Yamaguchi ,  Keizaburo Yamaguchi ,  Yoshimitsu Tanabe ,  Makoto Asano ,  Masaru Wada

    发明人： Akihiro Yamaguchi ,  Keizaburo Yamaguchi ,  Yoshimitsu Tanabe ,  Makoto Asano ,  Masaru Wada

    IPC分类号： B41M5/155 ,  C08G61/10 ,  C08G63/06

    CPC分类号： B41M5/155 ,  C08G61/10

    摘要： Disclosed herein are novel linear copolymers having weight average molecular weight of 500-30,000 and comprising structural units represented by the following formulae (I), (II), (III) and (IV): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 mean individually an alkyl group having 4 or fewer carbon atoms and R.sub.4 denotes an alkyl, cycloalkyl, aralkyl or phenyl group, and multivalent metal salts thereof in each of which the multivalent metal forms the multivalent metal salt between carboxyl groups within the same molecule of the copolymer or between different molecules of the copolymer; color-developing agents comprising multivalent metal-modified resins of the copolymers; and color-developing sheets obtained by coating the color-developing agents on their surfaces.

    摘要翻译： 本文公开了重均分子量为500〜30,000的新型线性共聚物，其包含由下式（I），（II），（III）和（IV）表示的结构单元：（I） （III）其中R1，R2和R3分别表示具有4个或更少碳原子的烷基，R4表示烷基，环烷基，芳烷基或苯基，其多价金属盐在 其中的多价金属在共聚物的相同分子内或共聚物的不同分子之间的羧基之间形成多价金属盐; 包含共聚物的多价金属改性树脂的显色剂; 以及通过在其表面上涂布显色剂而获得的显色片。

    Production process for making aromatic amine resins
    7.
    发明授权
    Production process for making aromatic amine resins 失效
    制备芳香胺树脂的生产工艺

    公开(公告)号：US5145949A

    公开(公告)日：1992-09-08

    申请号：US823478

    申请日：1992-01-22

    申请人： Keizaburo Yamaguchi ,  Yoshimitsu Tanabe ,  Tatsuhiro Urakami ,  Akihiro Yamaguchi ,  Norimasa Yamaya ,  Masahiro Ohta

    发明人： Keizaburo Yamaguchi ,  Yoshimitsu Tanabe ,  Tatsuhiro Urakami ,  Akihiro Yamaguchi ,  Norimasa Yamaya ,  Masahiro Ohta

    IPC分类号： C07C211/50 ,  C08G73/12

    CPC分类号： C08G73/121 ,  C07C211/50

    摘要： Disclosed herein is an aromatic amine resin formed of a mixture of aromatic amine compounds represented by the following general formula (a): ##STR1## wherein A means a phenylene, alkyl-substituted phenylene, diphenylene, diphenyl ether or naphthylenyl group, R.sup.1 denotes a halogen atom or a hydroxyl, C.sub.1-4 alkoxy or C.sub.1-5 alkyl group, l stands for 1 or 2, m is an integer of 0-3, when m is 2 or 3, R.sup.1 s may be the same or different and two of R.sup.1 s may join together into a 5- to 6-membered alicyclic moiety which may optionally contain one or more side chains, and n stands for an integer of 0-300.

    摘要翻译： 本文公开了由以下通式（a）表示的芳族胺化合物的混合物形成的芳香族胺树脂：其中A表示亚苯基，烷基取代的亚苯基，二亚苯基，二苯基醚或萘基， R1表示卤素原子或羟基，C1-4烷氧基或C1-5烷基，l表示1或2，m表示0-3的整数，当m为2或3时，R 1可以相同或不同 并且R 1中的两个可以连接在一起可以任选地含有一个或多个侧链的5-至6-元脂环部分，n表示0-300的整数。

    Process for producing fluorobenzophenone derivatives
    10.
    发明授权
    Process for producing fluorobenzophenone derivatives 失效
    氟代二苯甲酮衍生物的制备方法

    公开(公告)号：US4453009A

    公开(公告)日：1984-06-05

    申请号：US433438

    申请日：1982-10-08

    申请人： Akihiro Yamaguchi ,  Keizaburo Yamaguchi ,  Kenichi Sugimoto ,  Yoshimitsu Tanabe

    发明人： Akihiro Yamaguchi ,  Keizaburo Yamaguchi ,  Kenichi Sugimoto ,  Yoshimitsu Tanabe

    IPC分类号： C07C45/63 ,  C07C49/80 ,  C07C49/813 ,  C07C49/84

    CPC分类号： C07C201/12

    摘要： 4-Fluorobenzophenone derivatives of 4,4'-difluorobenzophenone are produced by effecting a halogen-fluorine exchanging reaction between the corresponding 4-halogenobenzophenone derivatives or 4,4'-dihalogenobenzophenone and an alkali fluoride.The reaction is carried out by heating in an organic solvent. After distilling off the solvent from the reaction product mixture, the end product is isolated by extracting with a solvent. Alternatively the end product is isolated by distillation.

    摘要翻译： 通过在相应的4-卤代二苯甲酮衍生物或4,4'-二卤代二苯甲酮与碱金属氟化物之间进行卤素 - 氟交换反应来制备4,4'-二氟二苯甲酮的4-氟二苯甲酮衍生物。 反应通过在有机溶剂中加热进行。 从反应产物混合物中蒸除溶剂后，通过用溶剂萃取分离终产物。 或者，最终产物通过蒸馏分离。