利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

11 条记录 (耗时 0.016 秒)

    WELLBORE SERVICING FLUID COMPRISING A CELLULOSE ETHER
    2.
    发明申请
    WELLBORE SERVICING FLUID COMPRISING A CELLULOSE ETHER 有权
    井筒维护包含纤维素醚的流体

    公开(公告)号：US20130130949A1

    公开(公告)日：2013-05-23

    申请号：US13811575

    申请日：2011-08-10

    申请人： Emmett M. Partain, III ,  Russell L. Kreeger

    发明人： Emmett M. Partain, III ,  Russell L. Kreeger

    IPC分类号： C08B11/193

    CPC分类号： C08B11/193 ,  C04B24/383 ,  C04B28/02 ,  C04B35/6365 ,  C08B11/08 ,  C08B11/12 ,  C08B11/14 ,  C08B11/145 ,  C08B11/20 ,  C08L1/284 ,  C08L1/286 ,  C08L1/288 ,  C09K8/035 ,  C09K8/487 ,  C09K2208/00

    摘要： A cellulose ether having (i) one or more substituents selected from the group consisting of methyl, hydroxyethyl and hydroxypropyl, (ii) one or more hydrophobic substituents, and (iii) one or more cationic, tertiary amino, or anionic substituents, and having a retained dynamic viscosity, % η80/25, of at least 30 percent, wherein % η80/25=[dynamic solution viscosity at 80° C./dynamic solution viscosity at 25° C.]×100, the dynamic solution viscosity at 25° C. and 80° being measured as 1% aqueous solution, is useful for modifying the viscosity of a composition selected from the group consisting of wellbore servicing fluids, cementitious formulations, ceramics, metal working fluids and cutting fluids.

    摘要翻译： 一种纤维素醚，其具有（i）一个或多个选自甲基，羟乙基和羟丙基的取代基，（ii）一个或多个疏水性取代基，和（iii）一个或多个阳离子，叔氨基或阴离子取代基，并具有 保留的动态粘度％eta80 / 25为至少30％，其中％eta80 / 25 = [在80℃下的动态溶液粘度/ 25℃下的动态溶液粘度]×100，25℃时的动态溶液粘度 °C和80°测量为1％水溶液，可用于改变选自井筒维修流体，水泥配方，陶瓷，金属加工液和切削液的组合物的粘度。

    Cellulose ethers
    3.
    发明授权
    Cellulose ethers 有权
    纤维素醚

    公开(公告)号：US07868164B2

    公开(公告)日：2011-01-11

    申请号：US10552598

    申请日：2004-05-27

    申请人： Russell L. Kreeger ,  Shuiqin Zhou

    发明人： Russell L. Kreeger ,  Shuiqin Zhou

    IPC分类号： C08B15/06 ,  C08B11/193 ,  A61K31/717 ,  C08B11/00 ,  C07H1/00

    CPC分类号： A61K8/731 ,  A61Q19/10 ,  C08B11/02 ,  C08B11/08 ,  C08B11/145 ,  C08B11/193 ,  C08B11/20

    摘要： A cellulose ether which has from 4,000 to 10,000 anhydroglucose repeat units and is substituted with (a) on the average from 0.0003 to 0.08 moles, per mole of anhydroglucose unit, of a substituent comprising an alkyl or arylalkyl group having from 8 to 24 carbon atoms and (b) a substituent having the formula II wherein R5, R6 and R7 each independently are —CH3 or —C2H5, R8 is —CH2—CHOH—CH2— or —CH2CH2, Az− is an anion, and z is 1, 2 or 3 is useful in hair and skin care compositions.

    摘要翻译： 具有4,000至10,000个脱水葡萄糖重复单元并且每摩尔脱水葡萄糖单元平均含有0.0003至0.08摩尔的（a）包含具有8至24个碳原子的烷基或芳烷基的取代基的纤维素醚 和（b）具有式II的取代基，其中R5，R6和R7各自独立地是-CH3或-C2H5，R8是-CH2-CHOH-CH2-或-CH2CH2，Az-是阴离子，z是1,2 或3可用于头发和皮肤护理组合物。

    Process for flocculating an aqueous suspension of particles with quaternary ammonium graft copolymers
    7.
    发明授权
    Process for flocculating an aqueous suspension of particles with quaternary ammonium graft copolymers 失效
    用季铵接枝共聚物絮凝颗粒水悬浮液的方法

    公开(公告)号：US4305829A

    公开(公告)日：1981-12-15

    申请号：US156732

    申请日：1980-06-05

    申请人： Donald R. Kelsey ,  Russell L. Kreeger

    发明人： Donald R. Kelsey ,  Russell L. Kreeger

    IPC分类号： A01N33/12 ,  C02F1/54 ,  C08G73/02 ,  C02F1/56 ,  B01D21/01

    CPC分类号： A01N33/12 ,  C02F1/54 ,  C08G73/0226

    摘要： Described herein is a process for flocculating an aqueous suspension of finely divided particles which comprises treating the suspension with an effective amount of a water-soluble graft copolymer to achieve the desired degree of flocculation of said particles, said water soluble graft copolymer being comprised of polymeric units characterized by the general formula: ##STR1## wherein n, y and z represent the relative molar equivalent fractions of each of the respective polymeric units in the graft copolymer, the sum of n, y and z being 1.0, the value of n varying from 0.00 to 0.99, the value of y varying from 0.00 to 0.99 and the value of z varying from 0.01 to 0.99; q is an integer greater than 1; A is the unit derived from at least one difunctional amine selected from the group consisting of primary amines and di(secondary)amines; t is an integer varying from 1 to 2; E is the unit obtained from a compound selected from the group consisting of epihalohydrins and diepoxides after its reaction with said difunctional amine; R is an organic radical derived from a quaternizing agent having the general formula RX, where X is the residual counter ion formed after quaternization; B is the unit derived from an organic dihalide having the general formula BY.sub.2, where Y is Cl.sup.-, Br.sup.- or l.sup.- with the proviso that such halogens are not attached to the same carbon atom; and C is the unit derived from an organic di(tertiary)amine after its reaction with said organic dihalide.

    摘要翻译： 本文描述了一种使细碎颗粒的水悬浮液絮凝的方法，其包括用有效量的水溶性接枝共聚物处理悬浮液以达到所需颗粒的所需程度的絮凝，所述水溶性接枝共聚物由聚合物 其特征在于以下通式：其中n，y和z表示接枝共聚物中各相应聚合物单元的相对摩尔当量级数，n，y和z之和为1.0，n值变化 从0.00到0.99，y的值从0.00变化到0.99，z的值从0.01到0.99变化; q是大于1的整数; A是衍生自选自伯胺和二（仲）胺的至少一种二官能胺的单元; t是1至2的整数; E是在与所述双官能胺反应后由选自表卤代醇和二环氧化物的化合物获得的单元; R是衍生自具有通式RX的季铵化剂的有机基团，其中X是季铵化后形成的残余抗衡离子; B是衍生自具有通式BY 2的有机二卤化物的单元，其中Y是Cl-，Br-或1-，条件是这样的卤素不连接到相同的碳原子上; C是在与所述有机二卤化物反应后衍生自有机二（叔）胺的单元。