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    Preparation of cyclic N,N'-dimethylureas
    4.
    发明授权
    Preparation of cyclic N,N'-dimethylureas 失效
    制备环状N，N'-二甲基脲

    公开(公告)号：US4970321A

    公开(公告)日：1990-11-13

    申请号：US397878

    申请日：1989-08-23

    申请人： Rainer Betz ,  Erwin Hahn ,  Rolf Fikentscher

    发明人： Rainer Betz ,  Erwin Hahn ,  Rolf Fikentscher

    IPC分类号： B01J31/30 ,  C07B61/00 ,  C07D233/34 ,  C07D239/10 ,  C07D239/36

    CPC分类号： C07D239/10 ,  C07D233/34

    摘要： Cyclic N,N'-dimethylureas I ##STR1## where A is a 1,2- or 1,3-alkylene group of 2 to 10 carbon atoms, are prepared by reacting the corresponding non-methylated cyclic urea with formaldehyde and excess formic acid and then removing the formic acid still present in the reaction mixture, by a process in which the formic acid is subjected to a thermal decomposition reaction by means of a catalyst system consisting of a tertiary amine and a copper salt.

    摘要翻译： 通过使相应的非甲基化环状脲与甲醛和过量的甲酸反应制备环状N，N'-二甲基脲I，其中A是2至10个碳原子的1,2-或1,3-亚烷基 然后通过其中甲酸通过由叔胺和铜盐组成的催化剂体系进行热分解反应的方法除去反应混合物中仍然存在的甲酸。

    Use of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agents
    5.
    发明授权
    Use of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agents 失效
    在洗涤剂和清洁剂中使用杂环化合物作为漂白活化剂或荧光增白剂

    公开(公告)号：US5286401A

    公开(公告)日：1994-02-15

    申请号：US836279

    申请日：1992-03-03

    申请人： Bernhard Dung ,  Wolfgang Trieselt ,  Erwin Hahn ,  Johannes Perner ,  Alfred Oftring

    发明人： Bernhard Dung ,  Wolfgang Trieselt ,  Erwin Hahn ,  Johannes Perner ,  Alfred Oftring

    IPC分类号： C11D3/28 ,  C07D265/22 ,  C11D3/39 ,  C11D3/42 ,  C11D3/395 ,  D06L3/02 ,  D06L3/12

    CPC分类号： C07D265/22 ,  C11D3/392 ,  C11D3/42

    摘要： Heterocyclic compounds which are useful as bleach activators or optical brighteners in washing and cleaning agents have the formula ##STR1## where the variables have the following meanings: X is O, S or the group N--R.sup.3, where R.sup.3 is hydrogen, C.sub.1 -C.sub.25 -alkyll C.sub.1 -C.sub.25 -acyl or an aryl group of up to12 carbon atoms,Y is CH or N,R.sup.1 for X=S or N--R.sup.3 is hydrogen, a C.sub.1 -C.sub.25 -alkyl or C.sub.2 -C.sub.25 -alkenyl group or a phenyl radical which may be additionally substituted by one or two C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, hydroxyl, carboxyl, sulfo, amino, C.sub.1 -C.sub.4 -acylamino, nitro or cyano groups or chlorine or bromine atoms, which substituents, if there are two of them, may be identical or different,R.sup.1 for X=O is phenyl, o-, m- or p-tolyl, p-chlorophenyl, m-nitrophenyl, m-methoxyphenyl or m-methylsulfonylphenyl,R.sup.2 for X=S or N--R.sup.3 is hydrogen, a C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, hydroxyl, carboxyl, sulfo, amino or C.sub.1 -C.sub.4 -acylamino group or a chlorine or bromine atom, andR.sup.2 for X=O is hydrogen.

    摘要翻译： 式（I）的杂环化合物，其中X代表O，S或NR 3基团，其中R 3代表氢，C 1 -C 25烷基，C 1 -C 25酰基或芳基，最多12个 碳原子，Y代表CH或N，R 1代表X = S或NR 3，氢，C 1 -C 25烷基或C 2 -C 25烯基或苯基残基，其可以另外被一个或多个 两个C 1 -C 4烷基，C 1 -C 4烷氧基，羟基，羧基，磺基，氨基，C 1 -C 4酰基氨基，硝基或氰基或氯或溴原子，其中两个取代基可以相同或不同，R 1， 代表X = O，苯基，邻 - ，对 - 或对甲苯基，对氯苯基，间硝基苯基，间甲氧基苯基或间甲基磺酰基苯基，R 2代表X = S或NR 3，氢 ，C 1 -C 4烷基，C 1 -C 4烷氧基，羟基，羧基，磺基，氨基或C 1 -C 4酰氨基或氯或溴原子，R 2代表X = O或氢，可用作漂白活化剂 或洗涤剂和清洁剂中的光学增亮剂。

    Preparation of J-acid urea
    6.
    发明授权
    Preparation of J-acid urea 失效
    制备J-酸尿素

    公开(公告)号：US5144064A

    公开(公告)日：1992-09-01

    申请号：US764359

    申请日：1991-09-23

    申请人： Erwin Hahn ,  Udo Mayer ,  Friedrich-Wilhelm Raulfs ,  Ulrike Schloesser

    发明人： Erwin Hahn ,  Udo Mayer ,  Friedrich-Wilhelm Raulfs ,  Ulrike Schloesser

    IPC分类号： C07C303/22 ,  C07C309/51

    CPC分类号： C07C303/22

    摘要： J-Acid urea of the formula ##STR1## is prepared by reacting 7-amino-4-hydroxynaphthalene-2-sulfonic acid (J-acid) with urea at from 100.degree. to 140.degree. C. under a pressure ranging from atmospheric pressure to 10 bar in an inert solvent to a partial extent, precipitating unconverted J-acid in an acidic medium and separating it off, and, if desired, isolating J-acid urea from the resulting neutralized solution by salting out.

    摘要翻译： 通过使7-氨基-4-羟基萘-2-磺酸（J-酸）与尿素在100-140℃下在大气压至大约压力的压力下反应制备式“IMAGE”的γ-酸尿素 10巴在惰性溶剂中的一部分程度，在酸性介质中沉淀未转化的J-酸，并将其分离出来，如果需要，通过盐析从得到的中和溶液中分离出J-酸尿素。

    Preparation of N-hydroxypyrazoles
    7.
    发明授权
    Preparation of N-hydroxypyrazoles 失效
    N-羟基吡唑的制备

    公开(公告)号：US4945167A

    公开(公告)日：1990-07-31

    申请号：US367047

    申请日：1989-06-16

    申请人： Ulf Baus ,  Wolfgang Reuther ,  Erwin Hahn

    发明人： Ulf Baus ,  Wolfgang Reuther ,  Erwin Hahn

    IPC分类号： C07D231/12 ,  C07D231/16 ,  C07D521/00

    CPC分类号： C07D231/12 ,  C07D231/16 ,  C07D233/56 ,  C07D249/08

    摘要： N-hydroxypyrazoles of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or halogen, are prepared by a process in which a pyrazole of the general formula II ##STR2## where R.sup.1, R.sup.2 and R.sup.3 have the meanings stated for formula I, is reacted with an aliphatic or aromatic peroxocarboxylic acid, preferably in the presence of from 0 to 15 moles of an alkali metal hydroxide, alkaline earth metal hydroxide, alkali meteal carbonate or alkaline earth metal carbonate in such a way that the reaction temperature is from -5.degree. C. to 60.degree.C.The reaction can be carried out in water as a solvent or in a 2-phase system consisting of water and an inert organic solvent which is poorly miscible with water, in the presence or absence of a suitable phase transfer catalyst. The peroxocarboxylic acid can be prepared in the reaction mixture before the reaction from H.sub.2 O.sub.2 and an acyl halide or a carboxylic anhydride or can be used in the form of an alkali metal salt or alkaline earth metal salt.

    摘要翻译： 其中R 1，R 2和R 3可以相同或不同并且各自为氢或卤素的通式I（I）的N-羟基吡唑通过其中通式II的吡唑（IMAGE）（ II）其中R 1，R 2和R 3具有式I所述的含义，与脂族或芳族过氧羧酸反应，优选在0至15摩尔碱金属氢氧化物，碱土金属氢氧化物，碱金属碳酸盐 或碱土金属碳酸盐，使得反应温度为-5℃至60℃。该反应可以在作为溶剂的水中或在由水和惰性有机物组成的2相体系中进行 在有或没有合适的相转移催化剂的情况下与水很难混溶的溶剂。 过氧化羧酸可以在与H 2 O 2和酰卤或羧酸酐反应之前在反应混合物中制备，或者可以以碱金属盐或碱土金属盐的形式使用。

    Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment and its use
    8.
    发明授权
    Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment and its use 失效
    四氯化苯-3,4,9,10-四羧酸二酰亚胺颜料及其用途

    公开(公告)号：US4846892A

    公开(公告)日：1989-07-11

    申请号：US92600

    申请日：1987-09-03

    申请人： Georg Henning ,  Erwin Hahn ,  Peter Hauser ,  Manfred Patsch

    发明人： Georg Henning ,  Erwin Hahn ,  Peter Hauser ,  Manfred Patsch

    IPC分类号： C08K5/3412 ,  C08K5/3437 ,  C09B5/62 ,  C09B67/48 ,  C09D7/12 ,  C09D11/02

    CPC分类号： C09B5/62 ,  C09B67/0025

    摘要： A tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment which contains not less than 85% by weight of the tetrachloro compound of the formula ##STR1## which is present to the extent of not less than 95% by weight in the .beta.-modification and which, in an X-ray spectrum, exhibits 2.sup..crclbar. CuK.sub..alpha. main lines at 9.0.degree., 13.3.degree., 15.0.degree., 16.8.degree., 19.1.degree., 21.5.degree., 24.2.degree., 25.4.degree., 26.5.degree., 27.0.degree. and 27.5.degree..In finishes, the pigment gives very brilliant colorations which are very highly lightfast and fast to weathering and which, upon weathering, neither bleach nor darken up.

    摘要翻译： 含有不少于85重量％的式“IMAGE”的四氯化合物的四氯化亚丙基-3,4,9,10-四羧酸二酰亚胺颜料，其量为不少于95重量％ 在9.0°，13.3°，15.0°，16.8°，19.1°，21.5°，24.2度，25.4度，26.5度，X射线谱中显示2（ - ）CuKα主线， 27.0°和27.5°。 在表面处理中，颜料产生非常明亮的着色，其具有非常高的耐光性和耐候性，并且在风化时，既不漂白也不变暗。

    Bisazo compounds containing anthranilic acid and thiazole moieties
    9.
    发明授权
    Bisazo compounds containing anthranilic acid and thiazole moieties 失效
    含有邻氨基苯甲酸和噻唑部分的双偶氮化合物

    公开(公告)号：US4694075A

    公开(公告)日：1987-09-15

    申请号：US820018

    申请日：1986-01-21

    申请人： Horst Colberg ,  Erwin Hahn

    发明人： Horst Colberg ,  Erwin Hahn

    IPC分类号： C09B44/02 ,  C09B31/14 ,  C09B44/08 ,  D06P1/04 ,  D06P1/41

    CPC分类号： C09B44/02

    摘要： The compounds of the formula ##STR1## where Y is hydrogen, chlorine, bromine or nitro, Z is hydrogen, chlorine, bromine, a sulfonic ester group or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interrupted by oxygen or ##STR3## m is 0 or 1, p is 1 or 2, R.sup.1 and R.sup.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, or aryl, or R.sup.1 and R.sup.2 together with the nitrogen form a heterocyclic structure, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, R.sup.6 and R.sup.7 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkoxy or acylamino, K is a radical of a coupling component, A.crclbar. is an anion, R.sup.4 is unsubtituted or substituted alkyl and R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl, and the radical ##STR4## may furthermore be an unsubstituted or substituted piperazine radical, are useful for dyeing acid-modified fibers, leather and in particular paper.

    摘要翻译： 其中Y是氢，氯，溴或硝基，Z是氢，氯，溴，磺酸酯基或未取代或取代的亚磺酰基的式“IMAGE”的化合物，X是-O-或R是 氧可以或不会被氧中断，或者m为0或1，p为1或2，R 1和R 2彼此独立地为氢，未取代或取代的烷基，烯基，环烷基，芳烷基或芳基，或 R 1和R 2与氮一起形成杂环结构，R 3为氢或未取代或取代的烷基，R 6和R 7彼此独立地为氢，未取代或取代的烷基，烷氧基或酰氨基，K为偶联组分的基团， A（ - ）是阴离子，R4是未取代的或取代的烷基，R5是氢或C1-C4-烷基，基团还可以是未取代或取代的哌嗪基，可用于染色酸改性纤维， 皮革，特别是纸张。

    Recycling of cured aminoplast resins
    10.
    发明授权
    Recycling of cured aminoplast resins 失效
    固化的氨基塑料树脂的回收

    公开(公告)号：US5382476A

    公开(公告)日：1995-01-17

    申请号：US247184

    申请日：1994-05-20

    申请人： Juergen Weiser ,  Wolfgang Reuther ,  Erwin Hahn

    发明人： Juergen Weiser ,  Wolfgang Reuther ,  Erwin Hahn

    IPC分类号： C08G14/10 ,  C08J11/16 ,  C09D161/34 ,  C14C3/20 ,  B32B9/04 ,  C14C9/00

    CPC分类号： C08J11/16 ,  C08G14/10 ,  C09D161/34 ,  C14C3/20 ,  C08J2361/20 ,  Y02W30/705 ,  Y10T428/31504 ,  Y10T428/4935

    摘要： Cured aminoplast resins are recycled by a process in which said resins, which may contain fillers, are treated with an aqueous sulfite, hydrogen sulfite or disulfite solution and the resulting low molecular weight degradation products are used in chemical processes. The resulting low molecular weight degradation products of cured aminoplast resins are used for coating moldings, for tanning leather and skins and for the production of moldings which contain cured aminoplast resins or consist thereof.

    摘要翻译： 固化的氨基塑料树脂通过其中可以含有填料的所述树脂用亚硫酸氢盐，亚硫酸氢盐或二亚硫酸盐溶液处理的方法再循环，并且所得到的低分子量降解产物用于化学方法。 所得到的固化的氨基塑料树脂的低分子量降解产物用于涂布模制品，用于鞣制皮革和皮肤，以及用于生产包含固化的氨基塑料树脂或由其组成的模制品。