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  • [专利] (WO2018162769) Use of dmso for the synthesis of oleacein and oleocanthal

    (WO2018162769) The invention can be used to double the yield of a Krapcho reaction by means of which oleacein is obtained from oleuropein, present in olive leaves.Oleacein, a dialdehyde secoiridoid present in virgin and extra virgin olive oil, has very int

  • [专利] (WO2018130158) 耐碳青霉烯类抗生素病菌荧光探针及其合成方法与应用

    (WO2018130158) 本发明耐碳青霉烯类抗生素病菌的荧光探针,其结构通式以通式Ⅰ表示。所述荧光探针的合成方法包括以下步骤:(1)化合物3的制备;(2)化合物4的制备;(3)荧光探针CVB-1的制备。将所述荧光探针制成试纸、试剂盒或者检测芯片,可在检测碳青霉烯酶和含有碳青霉烯耐药菌中进行应用。通过荧光探针在荧光强度或颜色变化与否的现象来检测或区分碳青霉烯酶,进而快速检测有碳青霉烯酶表达的致病耐药菌。指导在治疗或临床上合理使用抗生素药物,对不用或少用抗生素药物具有重要的意义。

  • [专利] (WO2018150379) Synthesis of pheromones and related materials via olefin metathesis

    (WO2018150379) Methods for preparation of olefins, including 8- and 11-unsaturated monoenes and polyenes, via transition metathesis-based synthetic routes are described.Metathesis reactions in the methods are catalyzed by transition metal catalysts includi

  • [专利] (WO2018176058) Intelligent pressure control devices and methods of use thereof

    (WO2018176058) A pressure control device may include a body having a central axis extending therefrom; at least one rotatable seal within the body, the rotatable seal configured to seal against a tubular extending through the pressure control device along

  • [专利] (US10119065) Composition for fracturing and displacement and method for fracturing and displacement of tight oil reservoir

    (US10119065) The present invention relates to the field of oilfield chemistry, and discloses a composition for fracturing and displacement and a method for fracturing and displacement of a tight oil reservoir.The composition contains a pyrrolic compound re

  • [专利] (US10131862) Complete saponification and acidulation of natural oil processing byproducts and treatment of reaction products

    (US10131862) The present invention generally provides a process for treating a soapstock.The present invention more particularly provides systems and methods for treating a soapstock to generate free fatty acids and/or fatty acid derivatives, e.g. fatty ac

  • [专利] (US10125334) Lubricant base oil and method for preparing the same

    (US10125334) The present invention relates to a lubricant base oil containing an aromatic ester lubricant represented by Chemical Formula 1 and to a method for preparing the aromatic ester lubricant.By containing an aromatic ester lubricant, the lubricant

  • [专利] (US10125554) Threaded joint for oil country tubular goods

    (US10125554) In a joint for oil country tubular goods, a pitch change is made such that an internally-thread pitch has the same value as an externally-thread pitch from a thread end portion on a box end side to a pitch change position taken on a box center

  • [专利] (US10125591) Coinjection of dimethyl ether and steam for bitumen and heavy oil recovery

    (US10125591) Provided are oil recovery techniques, which may include enhanced oil recovery techniques in which a heated combination of water vapor (steam) and dimethyl ether (DME) vapor are injected into an oil reservoir, such as containing heavy oil and/o

  • [专利] (US10119064) Thermally unstable ammonium carboxylates for enhanced oil recovery

    (US10119064) A process comprising the steps of: (a) injecting a steam composition into a subterranean location containing heavy hydrocarbons, preferably bitumen, wherein the steam composition comprises (i) steam and (ii) an ammonium carboxylate and (b) rec

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