C10 cyclopentyl ester substituted taxanes
    3.
    发明授权
    C10 cyclopentyl ester substituted taxanes 失效
    C10环戊基酯取代紫杉烷

    公开(公告)号:US07589111B2

    公开(公告)日:2009-09-15

    申请号:US11057703

    申请日:2005-02-14

    CPC分类号: C07D409/12

    摘要: A taxane having a cyclopentyl ester substituent at C10, a keto substituent at C9, a hydroxy substituent at C2, a 2-thienyl substituent at C3′ and an isopropoxycarbamate substituent at C3′.

    摘要翻译: 在C10具有环戊基酯取代基,C9处的酮取代基,C2处的羟基取代基,C3'处的2-噻吩基取代基和C3'上的异丙氧基氨基甲酸酯取代基的紫杉烷。

    β-lactam synthesis
    4.
    发明授权
    β-lactam synthesis 失效
    β-内酰胺合成

    公开(公告)号:US07541458B2

    公开(公告)日:2009-06-02

    申请号:US11449462

    申请日:2006-06-08

    IPC分类号: C07D205/08

    CPC分类号: C07F7/1892 C07D205/08

    摘要: The present invention is directed to a process for the preparation of β-lactams. Generally, an imine is cyclocondensed with a ketene acetal or enolate to form the β-lactam product in a “one pot” synthesis, this process is generally performed at a higher temperature than conventional processes.

    摘要翻译: 本发明涉及一种制备β-内酰胺的方法。 通常,亚胺与乙烯酮缩醛或烯醇化物环化缩合以在“一锅”合成中形成β-内酰胺产物,该方法通常在比常规方法更高的温度下进行。

    Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well
    5.
    发明申请
    Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well 有权
    用于限制泥石流返回注入井的地下基管的装置和方法

    公开(公告)号:US20070246226A1

    公开(公告)日:2007-10-25

    申请号:US11724434

    申请日:2007-03-15

    IPC分类号: E21B43/00

    CPC分类号: E21B43/04 E21B43/08

    摘要: In some embodiments, apparatus for assisting in reducing flowback of debris from an earthen formation into an underground fluid injection system includes a screen member disposed around and longitudinally moveable relative to a base pipe and shielded from direct contact with fluid as it is ejected from the base pipe. In various embodiments, apparatus for varying at least one flow characteristic of fluid injected into an earthen formation from a base pipe includes an isolation flow assembly remotely removably engageable with the base pipe and having a passage in fluid communication with a different sized fluid flow opening of the base pipe.

    摘要翻译: 在一些实施例中,用于帮助将碎屑从土层倒流回到地下流体注入系统中的回流装置包括围绕相对于基管周围设置并且可相对于基管纵向运动的屏蔽构件,并且屏蔽构件在从基体喷出时被屏蔽以免与液体直接接触 管。 在各种实施例中,用于改变从基管注入到土层中的流体的至少一个流动特性的装置包括远离可移除地与基管接合的隔离流组件,并且具有与不同尺寸的流体流动通道流体连通的通道 基管。

    Coated Nozzle Cap/Sleeve
    7.
    发明申请

    公开(公告)号:US20180291710A1

    公开(公告)日:2018-10-11

    申请号:US15943801

    申请日:2018-04-03

    IPC分类号: E21B41/00 B05B15/18

    摘要: Embodiments of an apparatus generally include a substantially “u” shaped cap comprising a nozzle, wherein the nozzle cap is adapted to be longitudinally positioned onto a shunt tube and welded thereto, thereby affixedly positioning the nozzle over a shunt tube opening to allow fluid to flow from the shunt tube interior through the nozzle via the opening. Additional embodiments generally comprise a substantially tubular sleeve comprising a nozzle, wherein the nozzle sleeve is adapted to be slidingly longitudinally advanced onto a shunt tube and welded thereto, thereby affixedly positioning the nozzle over a shunt tube opening to allow fluid to flow from the shunt tube interior through the nozzle via the opening. In various embodiments, some interior or exterior surfaces of the nozzle cap and/or the nozzle sleeve comprise an erosion resistant and/or low friction material. Methods of utilizing the nozzle cap and providing a nozzle sleeve assembly are provided.

    Screen communication sleeve assembly and method

    公开(公告)号:US09644458B2

    公开(公告)日:2017-05-09

    申请号:US14510215

    申请日:2014-10-09

    申请人: Phong Vu

    发明人: Phong Vu

    IPC分类号: E21B43/08 E21B17/043

    CPC分类号: E21B43/088 E21B17/043

    摘要: Fluid flow between screen-pipe annuli of pipe sections in a down-hole well structure is provided by a fluid communication sleeve assembly that may be installed where adjacent pipe sections are connected. A flow ring is provided at each pipe section end, each flow ring providing fluid communication from and to an annulus between a screen and a corresponding base pipe. The fluid communication sleeve assembly includes a screen shield spaced from the adjoining pipes and the pipe joint, the screen shield connected to a flow ring at each screen shield end, and a lock nut at each screen shield end, the lock nut retaining a screen shield end to a corresponding flow ring. A method for providing fluid flow between screen-pipe annuli of pipe is also provided.

    PROCESSES FOR THE PRODUCTION OF POLYCYCLIC FUSED RING COMPOUNDS
    9.
    发明申请
    PROCESSES FOR THE PRODUCTION OF POLYCYCLIC FUSED RING COMPOUNDS 审中-公开
    用于生产多环熔融化合物的方法

    公开(公告)号:US20100228038A1

    公开(公告)日:2010-09-09

    申请号:US12636151

    申请日:2009-12-11

    IPC分类号: C07F7/18

    摘要: The present invention provides processes for the production of polycyclic fused ring compounds. The polycyclic fused ring compounds are produced by protecting a polycyclic fused ring polyol with a bridging silicon-based protecting group and attaching a suitable side chain. Novel polycyclic fused ring compounds and intermediate compounds are also described.

    摘要翻译: 本发明提供多环稠环化合物的制备方法。 多环稠环化合物通过用桥连硅基保护基保护多环稠环多元醇并连接合适的侧链来制备。 还描述了新的多环稠环化合物和中间体化合物。

    Methods of assembling well screens
    10.
    发明授权
    Methods of assembling well screens 失效
    组装井筛的方法

    公开(公告)号:US07690097B1

    公开(公告)日:2010-04-06

    申请号:US11644097

    申请日:2006-12-22

    申请人: Carl Cooper Phong Vu

    发明人: Carl Cooper Phong Vu

    IPC分类号: B23P11/02

    摘要: In some embodiments, methods for securing a cylindrical screen jacket to a base pipe include heating the screen jacket to expand it so that its inner diameter becomes greater than the outer diameter of the base pipe, positioning the base pipe at least partially within the screen jacket and allowing the screen jacket to cool and contract, engaging the base pipe.

    摘要翻译: 在一些实施例中,用于将圆柱形屏蔽套固定到基管的方法包括加热筛套以使其膨胀,使得其内径变得大于基管的外径,将基管至少部分地定位在筛套内 并允许屏幕外套冷却和收缩,与基管接合。