AMPHOTERIC ION EXCHANGERS
    21.
    发明申请
    AMPHOTERIC ION EXCHANGERS 有权
    AMPHOTERIC离子交换剂

    公开(公告)号:US20090107918A1

    公开(公告)日:2009-04-30

    申请号:US12249148

    申请日:2008-10-10

    CPC classification number: B01J43/00

    Abstract: The present invention relates to novel amphoteric ion exchangers which possess not only phthalamide groups of the formula (I) but also —(CH2)mNR1R2 groups and/or if appropriate —(CH2)mNR1R2R3 groups, wherein m is an integer from 1 to 4 and R1, R2, R3 in each case independently of one another are hydrogen, —CH3, —CH2CH3, —CH2CH2CH3, benzyl, —OCH2CH3 or —CH2CH2OH and X is H or Na or K, to a process for production thereof and also use thereof.

    Abstract translation: 本发明涉及新型的两性离子交换剂,其不仅具有式(I)的邻苯二甲酰胺基团,而且还具有 - (CH 2)m N R 1 R 2基团和/或如果合适的 - (CH 2)m N R 21 R 3基团,其中m是1至4的整数 R 1,R 2,R 3各自独立地为氢,-CH 3,-CH 2 CH 3,-CH 2 CH 2 CH 3,苄基,-OCH 2 CH 3或-CH 2 CH 2 OH,X为H或Na或K,为其制备方法,并且还使用 其中。

    Preparation of aliphatic &agr;, &ohgr;-dicarboxylic acids
    25.
    发明授权
    Preparation of aliphatic &agr;, &ohgr;-dicarboxylic acids 失效
    脂肪族α,ω-二羧酸的制备

    公开(公告)号:US06437180B1

    公开(公告)日:2002-08-20

    申请号:US09568894

    申请日:2000-05-11

    CPC classification number: C07C51/285 C07C55/02 C07C55/14

    Abstract: A process for preparing aliphatic C4-18 &agr;,&ohgr;-dicarboxylic acids by oxidation of C6-20 &agr;,&ohgr;-dienes with hydrogen peroxide or compounds which release hydrogen peroxide under the reaction conditions as is characterized in that the reaction is carried out in the presence of a transition metal catalyst of group VI and of a mixture containing at least one organic acid and one aprotic organic solvent. A specific temperature profile is maintained at different phases of the reaction, which increases yield and selectivity.

    Abstract translation: 通过在反应条件下通过氧化C6-20α,ω-二烯与过氧化氢或释放过氧化氢的化合物来制备脂族C4-18α,ω-二羧酸的方法,其特征在于反应在 存在第VI族的过渡金属催化剂和含有至少一种有机酸和一种非质子有机溶剂的混合物。 在反应的不同阶段保持特定的温度曲线,这提高了产率和选择性。

    Process for preparing 4-aminodiphenylamine
    27.
    发明授权
    Process for preparing 4-aminodiphenylamine 失效
    制备4-氨基二苯胺的方法

    公开(公告)号:US06414192B1

    公开(公告)日:2002-07-02

    申请号:US10007014

    申请日:2001-11-06

    CPC classification number: C07C209/38 C07C211/55

    Abstract: The invention provides a process for preparing 4-aminodiphenylamine, an important starting product for synthesizing antioxidants and stabilizers in the rubber and polymer industry, by hydrogenating nitrosobenzene with hydrogen in the presence of a proton acid as catalyst and in the presence of a hydrogenating catalyst, optionally in the presence of an inert organic solvent and thermally decomposing the 4-ADPA ammonium salt produced in this way, wherein 4-ADPA is obtained. 4-aminodiphenylamine is produced in good yields and high purity by the process according to the present invention. Furthermore, no effluent is produced, which makes the process particularly economic and ecological.

    Abstract translation: 本发明提供一种制备4-氨基二苯胺的方法,该方法是在质子酸作为催化剂存在下,在氢化催化剂存在下,通过在氢气存在下,用氢气将亚硝基苯氢化,在橡胶和聚合物工业中合成抗氧化剂和稳定剂的重要起始产物, 任选地在惰性有机溶剂的存在下,并以这种方式产生的4-ADPA铵盐热分解,得到4-ADPA。4-氨基二苯胺通过本发明的方法以良好的产率和高纯度生产。 此外,没有产生流出物,这使得该过程特别经济和生态。

    Process for transporting fracture (“frac”) fluid additives to oil and gas wells utilizing ion exchange resin
    28.
    发明授权
    Process for transporting fracture (“frac”) fluid additives to oil and gas wells utilizing ion exchange resin 有权
    使用离子交换树脂将裂缝(“压裂”)流体添加剂输送到油气井的工艺

    公开(公告)号:US08714258B2

    公开(公告)日:2014-05-06

    申请号:US13309926

    申请日:2011-12-02

    CPC classification number: C09K8/70 C09K8/685 C09K8/80

    Abstract: There is disclosed a process for transporting fracture fluid additives underground to oil and gas wells by attaching a fracture fluid additive to an ion exchange resin and flowing the ion exchange resin underground and thereafter releasing the frac fluid additives from the ion exchange resins and also there is provided the use of an ion exchange resin as a proppant and a frac fluid lubricant.

    Abstract translation: 公开了一种通过将断裂流体添加剂附着在离子交换树脂上并使离子交换树脂在地下流动并在离子交换树脂中释放压裂流体添加剂之后,将地下的断裂流体添加剂输送到油气井的方法, 提供使用离子交换树脂作为支撑剂和压裂液润滑剂。

    Picolylamine resins
    29.
    发明授权
    Picolylamine resins 有权
    吡啶基胺树脂

    公开(公告)号:US08562922B2

    公开(公告)日:2013-10-22

    申请号:US12919846

    申请日:2009-02-27

    Abstract: The present application relates to novel gel-type or macroporous picolylamine resins which are based on at least one monovinylaromatic compound and at least one polyvinylaromatic compound and/or a (meth)acrylic compound and contain tertiary nitrogen atoms in structures of the general formula (I) as functional group, where R1 is an optionally substituted radical from the group consisting of picolyl, methylquinoline and methylpiperidine, R2 is —CH2—S—CH2COOR3 or —CH2—S—C1-C4-alkyl or —CH2—S—CH2CH(NH2)COOR3 or —CH2—S—CH2—CH(OH)—CH2(OH) or or derivatives thereof or —C═S(NH2), R3 is a radical from the group consisting of H, Na and K, m is an integer from 1 to 4, n and p are each, independently of one another, a number in the range from 0.1 to 1.9 and the sum of n and p is 2 and M is the polymer matrix, a process for preparing them and their uses, in particular the use in hydrometallurgy and electroplating.

    Abstract translation: 本申请涉及基于至少一种单乙烯基芳族化合物和至少一种聚乙烯基芳族化合物和/或(甲基)丙烯酸化合物并且在通式(I)的结构中含有叔氮原子的新型凝胶型或大孔吡甲基胺树脂 )作为官能团,其中R 1是由吡啶基,甲基喹啉和甲基哌啶组成的组中的任意取代的基团,R 2是-CH 2 -S-CH 2 COOR 3或-CH 2 -S-C 1 -C 4烷基或-CH 2 -S-CH 2 CH( NH 2)COOR 3或-CH 2 -S-CH 2 -CH(OH)-CH 2(OH)或其衍生物或-C = S(NH 2),R 3是由H,Na和K组成的组的基团,m是 1〜4的整数,n和p各自独立地为0.1〜1.9的数,n和p的和为2,M为聚合物基质,其制备方法及其制备方法 尤其用于湿法冶金和电镀。

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