Other

Purdue Pharma L.p.

Shanghai Huayi Acrylic Acid Co., Ltd.

Becton Dickinson and Company Limited

Shanghai Huayi New Material Co., Ltd.

Xin Wen

Yan Zhuang

Ge Luo

Xiaodong Chu

Qun Sun

Jingming Shao

Tonghao Wu

Xinlei Jin

Jianxue Ma

Xiaoqi Zhao

Jun Li

Xue Kang Li

Chunlei Zhang

Chunhua Qin

Jinhua Ji

Xuemei Li

Qingqing Fan

Chenggang Yu

Jinghua Ji

Irene Gao

Zhigang Qian

Haigang Lu

Yunyu Chen

Liangyuan Hu

Haimin Xu

Shengjun An

Xiqing Chai

Linghua Zuo

Pei Liu

Kunsheng Wang

Peizhang Zhang

Tiemei Shao

Zhan Jiao

A device set designed for PCNL surgery includes a puncture needle, a guidewire, a dilator, a balloon catheter, a sheath, and a drainage catheter which are all placed in a single package. A tip length of the dilator is substantially the same as a tip length of the balloon catheter. The device set may include a puncture needle, a guidewire, a plurality of dilators having different sizes, a sheath, and a drainage catheter, which are all placed in a single package, wherein all the dilators have substantially the same tip length.

Device set designed for PCNL surgery

A (methyl)acrolein oxidation catalyst and a preparation method therefor-in which the catalyst has a composition represented by the following formula: x(Mo12PaCsbVcDeOf)+tC/yZ in which MoPCVDOis a heteropolyacid salt main catalyst; C is a nano carbon fiber additive, and Z is a carrier thermal conduction diluent; Mo, P, Cs, V, and O represent the elements of molybdenum, phosphorus, cesium, vanadium, and oxygen, respectively; D represents at least one element selected from the group consisting of copper, iron, magnesium, manganese, antimony, zinc, tungsten, silicon, nickel, and palladium; a, b, c, e, and f represent the atomic ratio of each element, a=0.1-3, b=0.01-3, c=0.01-5, e=0.01-2, and f being the atomic ratio of oxygen required to satisfy the valence of each of the described components; x and y represent the weights of the main catalyst and the carrier thermal conduction diluent Z, and y/x=11.1-50%; and t represents the weight of the nano carbon fiber, and t/x=3-10%.

(Meth)acrolein oxidation catalyst and preparation method thereof

An echogenic balloon dilation catheter and a balloon thereof. The balloon includes a balloon body, a balloon cone at each side of the balloon body, and a balloon tip extending from the balloon cone and fixed to the catheter, the balloon body and the balloon cone being formed of a plurality of polymer layers in a radial direction of the balloon. The balloon may be of enhanced echogenicity using a variety of disclosed techniques.

Echogenic balloon dilation catheter and balloon thereof

Disclosed is a method for preparing a heteropolyacid salt catalyst, comprising dissolving the lead compounds for each element to prepare a suspension and dispersion slurry of catalyst precursor, which comprises all of the catalyst components; drying the catalyst precursor, mixing them with an organic compound, molding, and calcining to produce the catalyst.

Heteropolyacid salt catalysts and their preparation method

A seed-specific expression vector and its construction methods and applications are disclosed. A fusion protein expression cassette consisting ofoleosin gene-apolipopoprotein A-I(A-IM) gene driven byoleosin gene promoter is inserted between the HindIII and SacI sites of a plant binary expression vector pBI121, obtaining the plant expression vector pBINOA of the invention. In addition, a method for producing apolipoprotein A-Iis provided, in which the expression vector is used to transform oil sunflower which is used as a plant bioreactor. The method can not only improve the yield of apolipoprotein A-I, but also greatly reduce production costs, and is suitable for industrial production.

Seed-specific expression vector and its construction methods and applications

Disclosed are a catalyst and preparation method and use thereof. The catalyst has a constitution represented as the formula below, wherein, D represents at least one element selected from the group consisting of copper, magnesium, manganese, stibium and zinc; E represents at least one element selected from the group consisting of tungsten, silicon, nickel, palladium, ferrum and plumbum; Z is selected from the group consisting of SiC, MoO, WO, TiOand ZrO; y/x=11.1-50:100; a=0.1-3; b=0.01-5; c=0.01-5; d=0.01-3; e=0.01-2; f is the proportion of oxygen atom balancing the valence. The method comprises: (i) formulating Solution A with molybdenum, phosphorus, and vanadium compounds; formulating Solution B with dissolve potassium compound and a D-containing compound; formulating Solution C with an E-containing compound; (ii) mix Solutions A, B and C under a temperature of &#x2212;5-10&#xb0; C.; (iii) pre-calcination (iv) adding graphite powder and the diluting heat-conductive agent, wherein the weight ratio between the diluting heat-conductive agent and the catalyst precursor (y/x) is 11.1-50%; and (v) calcination.(MoPKVDEO)/Z

Heteropoly acid salt catalyst and its preparation method

The present invention provides a process for regenerating a deactivated heteropolymolybdophosphoric acid catalyst, comprising the steps of grinding the deactivated catalyst into particles having a particle size of 40 mesh or less, mixing the particles with a mixture comprising aqua ammonia, an aqueous solution containing ammonium ions and organic auxiliaries, kneading the same in a kneader to obtain a paste, drying the paste, molding the paste into cylindrical particles with a through hole in its longitudinal axis, and heating the paste in atmosphere at 350&#x2dc;450&#xb0; C. for 1&#x2dc;10 hours to produce the generated catalyst.

Process for regenerating a deactivated heteropolymolybdophosphoric acid catalyst

A compound of formula: where Ar, Ar, X, R, and m are as disclosed herein or a pharmaceutically acceptable salt thereof (a 'Cycloheteroalkenyl Compound'); compositions comprising an effective amount of a Cycloheteroalkenyl Compound; and methods for treating or preventing pain, UI, an ulcer, IBD, IBS, an addictive disorder, Parkinson's disease, parkinsonism, anxiety, epilepsy, stroke, a seizure, a pruritic condition, psychosis, a cognitive disorder, a memory deficit, restricted brain function, Huntington's chorea, amyotrophic lateral sclerosis, dementia, retinopathy, a muscle spasm, a migraine, vomiting, dyskinesia, or depression in an animal comprising administering to an animal in need thereof an effective amount of a Cycloheteroalkenyl Compound are disclosed herein.

Therapeutic agents useful for treating pain

The present invention provides a preparation process of complex oxides catalyst containing Mo, Bi, Fe and Co, which comprising steps as following: dissolving precursor compounds of the components for catalyst and complexing agent in water to obtain a solution, and then drying, molding and calcining the solution to obtain catalyst. The catalyst is used for gas phase oxidation of light alkenes to unsaturated aldehydes. The catalyst has high activity, selectivity and stability. The reaction condition is mild. The preparation process of the catalyst is easy to operate and can be used for mass production.

Preparation process of a catalyst used for gas phase oxidation of light alkenes to unsaturated aldehydes

A catalyst composition for use in manufacturing methacrolein by reacting with one of isobutene and t-butanol, the catalyst composition being represented by the formula of: x (MoBiFeCoABO)/y Z. MoBiFeCoABOis an oxide compound. Z is a catalyst carrier is one of graphite, boron, silicon, germanium powder, and a mixture thereof. Mo, Bi, Fe, Co, and O are chemical symbols of molybdenum, bismuth, iron, cobalt, and oxygen respectively. A is one of W, V, Ti, Zr, Nb, Ni, and Re. B is one of K, Rb, Cs, Sr, and Ba. The catalyst is adapted to not only enhance the production of methacrolein with high activeness and high selectivity but also effectively control the heat point of the catalyst during the methacrolein manufacturing process to prolong the catalyst life.

Catalyst composition and producing process thereof for use in manufacturing methacrolein

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Shanghai, China

Xin Wen