Process for the preparation of sulpho-free triphenyl-methane dyestuffs
    1.
    发明授权
    Process for the preparation of sulpho-free triphenyl-methane dyestuffs 失效
    无磺基三苯基甲烷染料的制备方法

    公开(公告)号:US5013857A

    公开(公告)日:1991-05-07

    申请号:US449035

    申请日:1989-12-11

    CPC classification number: C09B11/18

    Abstract: Process for the preparation of sulpho-free triphenylmethane dyestuffs of the formula ##STR1## in which R.sup.1 -R.sup.3 denote hydrogen, C.sub.1 -C.sub.6 -alkyl, preferably methyl, or halogen, preferably chlorine,Y denotes hydrogen or NX.sup.5 X.sup.6,X.sup.1 -X.sup.6 denote hydrogen, C.sub.1 -C.sub.6 -alkyl, preferably methyl, ethyl, benzyl or phenyl andZ.sup.- denotes an anionby oxidation of their leuco products with manganese dioxide, characterized in that, after the oxidation is completed, manganese hydroxide or manganese carbonate and the carbinol base of the dyestuff are formed by the addition of hydroxide or carbonate, during or after which the carbinol base is taken up in a water-immiscible solvent, separated off from the manganese hydroxide or manganese carbonate and from the water phase, the solution is mixed with the acid HZ which may have been mixed with water, the solvent is either distilled off before the mixing or separated or distilled off after the mixing, and the dyestuff is isolated as a solution or in solid form after evaporation or crystallization.

    Abstract translation: 制备式“IMAGE”的无磺酸三苯甲烷染料的方法,其中R1-R3表示氢,C1-C6-烷基,优选甲基或卤素,优选氯,Y表示氢或NX5X6,X1-X6表示氢 ,C 1 -C 6 - 烷基,优选甲基,乙基,苄基或苯基,Z-表示阴离子,其用二氧化锰氧化其无色产物,其特征在于氧化完成后,将氢氧化锰或碳酸锰和甲醇基 通过加入氢氧化物或碳酸酯形成染料,在此期间或之后,将甲醇碱溶解在与水相混溶的溶剂中,从氢氧化锰或碳酸锰和水相中分离出来,将溶液与 可能已经与水混合的酸性HZ,在混合之前将溶剂蒸馏出来,或者在混合后分离或蒸馏出去,并将染料作为溶液或以固体形式分离出来 配给或结晶。

    Triazolylcoumarin compounds, and their preparation and use as optical
brighteners, scintillators and laser dyestuffs
    2.
    发明授权
    Triazolylcoumarin compounds, and their preparation and use as optical brighteners, scintillators and laser dyestuffs 失效
    三唑基香豆素化合物及其制备和用作荧光增白剂,闪烁体和激光染料

    公开(公告)号:US4426530A

    公开(公告)日:1984-01-17

    申请号:US335987

    申请日:1981-12-30

    CPC classification number: C07D231/12 C07D233/56 C07D249/08

    Abstract: Optical brighteners of the formula ##STR1## wherein B denotes a direct bond or the 1,4-phenylene radical andR.sub.1 and R.sub.2 independently of one another denote hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl or aryl, or together form a fused aromatic ring,or the quaternisation products and protonation products thereof, are outstandingly suitable for the white tinting of polyester fibres or acrylic fibres. They are distinguished by a good build-up capacity and a small tendency to develop a green tone.

    Abstract translation: 其中B表示直接键或1,4-亚苯基,R 1和R 2彼此独立地表示氢,任选取代的烷基,芳烷基,环烷基或芳基,或一起形成稠合芳环 ,或其季铵化产物和质子化产物,非常适合于聚酯纤维或丙烯酸纤维的白色着色。 他们的特点是良好的建立能力和小绿色发展的倾向。

    Dry toners containing methinefanal pigments
    3.
    发明授权
    Dry toners containing methinefanal pigments 失效
    含有次甲醛颜料的干性调色剂

    公开(公告)号:US4849306A

    公开(公告)日:1989-07-18

    申请号:US158520

    申请日:1988-02-22

    CPC classification number: G03G9/0916 G03G9/0922

    Abstract: Dry toners for developing latent electrostatic images in electrostatic recording and printing methods contain, as charge-control substance, a pigment of the formulaF.sup.+ A.sup.- (I)in whichF represent a cationic radical of a methine dyestuff andA.sup.- represents an anion of a heteropolyacid based on tungsten and/or molybdenum with phosphorus, silicon, vanadium, cobalt, aluminum, manganese, chromium and/or nickel or a copper(I) hexacyanoferrate anion.

    Abstract translation: 用于在静电记录和印刷方法中显影静电潜像的干性调色剂含有作为电荷控制物质的式F + A-(I)的颜料,其中F表示次甲基染料的阳离子基团,A-表示阴离子 基于钨和/或钼与磷,硅,钒,钴,铝,锰,铬和/或镍或铜(I)六氰基铁酸盐阴离子的杂多酸。

    New naphthalimides, toners containing these and the use of the new
naphthalimides as additives for toners
    4.
    发明授权
    New naphthalimides, toners containing these and the use of the new naphthalimides as additives for toners 失效
    新的萘二甲酸酯,含有这些的调色剂和使用新的萘二甲酸酯作为调色剂的添加剂

    公开(公告)号:US5292881A

    公开(公告)日:1994-03-08

    申请号:US838129

    申请日:1992-02-19

    CPC classification number: C07D221/14 G03G9/09758

    Abstract: New naphthalimides, useful as additives in toners for controlling the charge and conductivity, of the formula ##STR1## in which R represents C.sub.1 - to C.sub.22 -alkyl,R.sup.1 and R.sup.2 independently of one another in each case represent C.sub.1 - to C.sub.4 -alkyl, or R.sup.1 and R.sup.2, together with the nitrogen atom in between, form a pyrrolidine, piperidine or morpholine ring,n represents 2 or 3 andX.sup..crclbar. represent one equivalentof a benzoate or naphthoate, which is optionally substituted by chlorine, bromine, methyl, methoxy, hydroxyl, cyano and/or hydroxycarbonyl,of a benzenesulphonate which is substituted by hydroxyl, amino or nitro,of a naphthalenesulphonate which is optionally substituted by hydroxyl, amino or a sulphonic acid group, orof a fluorine-substituted anion of a C.sub.4 - to C.sub.18 -alkanecarboxylic or -alkanesulphonic acid.

    Abstract translation: 式(*化学结构*)(I)中R表示C 1至C 22 - 烷基,R 1和R 2各自独立地相同的式(*化学结构*)(I)的新型萘二甲酰亚胺可用作用于调节电荷和电导率的调色剂中的添加剂, - 至C 4 - 烷基或R 1和R 2与其间的氮原子一起形成吡咯烷,哌啶或吗啉环,n表示2或3,X(负极)表示1当量的苯甲酸酯或萘甲酸酯,其为 任选被羟基,氨基或磺酸基取代的萘磺酸酯被羟基,氨基或硝基取代的苯磺酸的氯,溴,甲基,甲氧基,羟基,氰基和/或羟基羰基取代,或 的C4-至C18-烷烃羧酸或 - 烷基磺酸的氟取代阴离子。

    Electrochromic device having improved light stability
    10.
    发明授权
    Electrochromic device having improved light stability 失效
    具有改善的光稳定性的电致变色装置

    公开(公告)号:US06388796B1

    公开(公告)日:2002-05-14

    申请号:US09501489

    申请日:2000-02-09

    CPC classification number: C07D241/38 C07D241/46 G02F1/1521

    Abstract: The invention relates to an electrochromic device having (a) a pair of glass or plastic plates or plastic films wherein at least one such plate or film is provided on one side each with an electrically conductive coating, wherein (1) at least one such plate or film and its conductive coating is transparent, (2) the other such plate or film and its conductive coating is optionally mirrored, (3) the electrically conductive layer of one or both of the two plates or films is optionally divided into separate segments optionally provided with individual contacts, and (4) the plates or films are joined on the sides of their conductive coating by means of a sealing ring to form a volume; and (b) the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium containing certain dihydronaphthazines or dihydrophenazines.

    Abstract translation: 本发明涉及一种电致变色装置,其具有(a)一对玻璃或塑料板或塑料膜,其中至少一个这样的板或膜在一侧上设置有导电涂层,其中(1)至少一个这样的板 或膜,并且其导电涂层是透明的,(2)另一个这样的板或膜及其导电涂层任选地镜像,(3)两个板或膜中的一个或两个的导电层任选地被分成不同的段 设置有单独的触点,以及(4)通过密封环将板或膜连接在其导电涂层的侧面上以形成体积; 和(b)由两个板或膜和密封环形成的体积填充有含有某些二氢萘嗪或二氢吩嗪的电致变色介质。

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