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Chen, Jiangsu
Baochun Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110057137 | SELF-OPERATED PRESSURE TRANSMISSION TYPE OF PRESSURE REDUCING VALVE WITH CORRUGATED PIPE - A self-operated pressure transmission type of pressure reducing valve with corrugated pipe has an upper cover, a cylinder, a lower cover, a sealing board, a sealing sleeve, a first and second nut, and an upper valve rod. The pressure reducing valve needs no external driving force. It only needs a power-saving product which can automatically adjust the pressure according to the pressure change of the adjusted object. It has multiple functions such as measuring, implementing and controlling pressure, and it solves the problems in the operation process of the conventional pressure reducing valve. | 03-10-2011 |
Baogang Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20100319259 | POWERLESS HELICAL LOCKING MECHANISM FOR DOOR - A powerless helical locking mechanism for door includes a screw ( | 12-23-2010 |
Benshun Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110124864 | PREPARATION METHOD OF ROSUVASTATIN CALCIUM AND ITS INTERMEDIATES - A preparation method of rosuvastatin calcium (Formula 1), which can be used for the production of medicament lowering the levels of LDL-cholesterol and triglycerides in vivo, is provided. Such preparation method is suitable for industrial production. Furthermore, the intermediate crystallines used in the preparation method are provided. | 05-26-2011 |
Chengzhong Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20100078187 | POWER TOOL - This invention disclosed a power tool comprising housing, motor in the housing, switch fixed on the housing used to connect motor and power, output shaft connecting with operator and rotating in single direction in company with the motor driving, and locking device contained in the housing. Power tool has self-locking mechanism which can lock the output shaft no need additional tools or holding force. The locking act can be easier and safer. | 04-01-2010 |
Daopeng Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110130571 | PROCESS FOR THE MANUFACTURE OF AGOMELATINE AND ITS INTERMEDIATE - A process for the manufacture of agomelatine and its intermediate N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide is provided and includes reacting 7-methoxy-1-naphthyl ethanol (III) with benzenesulfonyl chloride to obtain 7-methoxy-1-naphthylethyl benzene sulfonate (IV), which is reacted with potassium phthalimide to produce N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide (II); and subjecting N-[2-(7-methoxy- | 06-02-2011 |
De Zhou Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20100326805 | DEVICE FOR SWITCHING AN ELECTRICAL SWITCH ON AND OFF - A device is disclosed for switching an electrical switch on and off, with a drive shaft and with an output shaft. In at least one embodiment, the drive shaft and the output shaft running transversely with respect to one another and interacting in such a way that a rotation of the drive shaft entails a rotation of the output shaft, the drive shaft being rotatable between an ON position and an OFF position, and the output shaft being rotatable correspondingly thereto between a switch-on position and a switch-off position. In at least one embodiment, the output shaft is connected to the switch which can be switched on into the switch-on position as a result of the rotation of the output shaft and can be switched off into the switch-off position by rotation. In order to achieve a simple set-up and a force-saving actuation of the switch, it is proposed, in at least one embodiment, that the drive shaft and the output shaft be connected to one another via a displaceable sliding element which, during the rotation of the drive shaft, is displaced, and the output shaft is rotated by the sliding element in the course of displacement. | 12-30-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
Guozhong Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110124847 | METHOD FOR PREPARING CONCRETE WATER REDUCER BY GRAFTING OF LIGNOSULFONATE WITH CARBONYL ALIPHATICS - The present invention disclosed a concrete water reducer by grafting of lignosulfonate with carbonyl aliphatics and its preparation method. A technical solution of the method is as follows: compound proportioning of the concrete water reducer (weight) is: carbonyl group aliphatics:lignosulfonate=1:(0.75-1). The said concrete water reducer by grafting of lignosulfonate with carbonyl aliphatics is prepared through following process steps: controlling the temperature of aliphatics water reducer at 95-100° C.; dropping lignosulfonate into said aliphatics water reducer; conducting graft copolymerization reaction at 95° C.-100° C. for 2-5 h and obtaining lignosulfonate modified and grafted aliphatics concrete water reducer. The method of present application is simple, low cost and friendly to environment. The water reducer has good water reducing effect and can reduce colour aberration of concrete and thus be applied broadly. | 05-26-2011 |
Jiang Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110062401 | ADJUSTABLE HYDRAULIC HORIZONTAL JACK - An adjustable hydraulic horizontal jack including a frame, a hydraulic unit, a jib unit, link rods, and a handle. Here, the structures of the jib and the link rod(s) are improved according to an embodiment. With the improved structures, the jack has rational structures and can act reliably. In addition, under the parameters equivalent to those of conventional hydraulic horizontal jacks, the jack of an embodiment of the present invention can change the height of the lowest position and the load by adjusting the length of the jib and link rods. Therefore, the jack is adapted to jacking up not only a light automobile with a low chassis but also a heavy automobile with a high chassis, thus having a wider scope of application. | 03-17-2011 |
| 20110073822 | HYDRAULIC JACK CAPABLE OF DISPLAYING LOAD AND OVERLOAD WARNING - A hydraulic jack capable of displaying load and overload warning, belonging to the technical field of hydraulic lifting equipment. It comprises: a base, a lifting arm, a pump body, a handle, and a tray, wherein, a signal collection assembly designed to sense the load on the tray is arranged at the end of the lifting arm, and the signal collection assembly is electrically connected to a weighing controller arranged on either the base or the pump body, and the tray is arranged on the signal collection assembly. Since a signal collection assembly designed to sense the load on the tray is arranged at the end of the lifting arm and electrically connected to the weighing controller, the load sensing method by the aid of communication with the oil circuit in the prior art is abandoned and the leakage of hydraulic oil can be avoided; since the signal collection assembly is arranged at the end of the lifting arm, the entire assembly can be easily processed, installed, and maintained. | 03-31-2011 |
Jiangning Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20100173288 | SERUM/PLASMA MICRONAS AND USES THEREOF - This invention provides a combination of microRNAs for evaluating the physiological and/or pathological condition of a subject, wherein the combination comprises all detectable microRNAs stably existing in the serum/plasma of a subject; and a method for evaluating the physiological and/or pathological condition of a subject, wherein the method includes determining all detectable microRNAs stably existing in the serum/plasma of a subject; and a kit for evaluating the physiological and/or pathological condition of a subject, wherein the kit contains the tools for determining all detectable microRNAs that stably existing in the serum/plasma of a subject; and a biochip for evaluating the physiological and/or pathological condition of a subject, wherein the biochip contains the components for determining all detectable microRNAs stably existing in the serum/plasma of a subject. The aforementioned combination, method, kit and biochip can be used for diagnosis as well as differentially diagnosis of diseases including various tumors; various acute/chronic infectious diseases, e.g. viral diseases such as viral influenza, viral hepatitis, AIDS, SARS, bacterial diseases such as tuberculosis, bacterial pneumonia, and other acute/chronic infectious diseases caused by various pathogenic microorganisms; other acute/chronic diseases such as diseases of respiratory system, diseases of immune system, diseases of blood and hematopoietic system, diseases of circulatory system such as cardio-cerebrovascular diseases, metabolic diseases of endocrine system, diseases of digestive system, diseases of nervous system, diseases of urinary system, diseases of reproductive system and diseases of locomotor system, prediction of complications occurrence and malignant diseases relapse, evaluation of therapeutic effects, screening of pharmaceutical active ingredients, assessment of drug efficacy as well as forensic authentication and prohibited drug inspection and the like, possessing a number of advantages such as extensive detection spectrum, high sensitivity, low cost, convenience for sampling, ease for sample preservation, etc. The said method can be widely used in work related to general survey of diseases and so on, improve the low-specificity and low-sensitivity caused by individual differences which single markers are difficult to overcome, significantly increasing the clinical detection rate of diseases, all of which make it become an effective means for diagnosing diseases in an early phase. | 07-08-2010 |
Jianguo Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110274390 | SURFACE-PLASMON-POLARITONS TUNABLE OPTICAL RESONANT RING FILTER - A surface-plasmon-polaritons (SPPs) tunable optical resonant ring filter that includes an SPPs waveguide, an SPPs tunable directional coupler, and an SPPs tunable resonant ring. The tunabilities of the resonant frequency, the resonant depth, and the filtering bandwidth are achieved by tuning the loss and transmission phase of the resonant ring and the coupling ratio of the directional coupler. Since the metal core layer of the SPPs waveguide is capable of multiplexing electro-optical signals, the SPPs tunable optical resonant ring filter can be used not only in an integrated optics system, but also in an integrated electro-optics hybrid system. | 11-10-2011 |
Jianhe Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110236389 | Human Angiostatin Interacting and Tumor Metastasis Involving Protein Variants and Uses Thereof - The invention provides human angiostatin interacting and tumor metastasis involving protein (HAI-TMIP) isoforms, namely HAI-TMIP variants 1 to 7, and human protein complexes comprising HAI-TMIP variant 1, 2, 3, 4, 5, 6 or 7. The invention also provides antibodies that immunospecifically bind to HAI-TMIP variant 1, 2, 3, 4, 5, 6 or 7 or a complex comprising such a variant, and uses of such antibodies. The present invention provides peptides which may be used as immunogens to distinguish between the HAI-TMIP variants. The invention further provides compounds that modulate the expression and/or activity of HAI-TMIP variant 1, 2, 3, 4, 5, 6 or 7, or a complex comprising such a variant, and uses of such compounds in the prevention, treatment and/or management of various disorders, in particular, cancer. | 09-29-2011 |
Liping Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20120132252 | TRANSPORT ROLLER FOR TRANSPORTING ARTICLES - A transport roller for transporting articles comprises a spindle ( | 05-31-2012 |
Mao-Yi Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110308282 | FOLDABLE LOCK - A foldable lock includes a first body, a second body, and a rod set including a plurality of pivotally connected locking rods. The first body and the second body are separately pin-connected to a locking rod. The first body, the second body, and the plurality of the locking rods can have rotational movement in two-dimensional space with the pin joint as a rotation axis, which affects relative position of the first body and the second body. The first body has a first mating face, and the second body has a second mating face. The mating faces can separate from or mate with each other. The bodies and the rod set constitutes a closed ring by means of matching of the mating faces; at this time, a locking operation will let the mating faces be unable to separate from each other, namely the bodies will not move relatively. At the same time, if the closed ring does not circle any object, the rod set can further be rotated to a stacking state for storage. | 12-22-2011 |
Wangdong Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20100187286 | Surgical Stapling Head Assembly with a Rotary Cutter - http://www.wipo/int/pctdb/images/PCT-IMAGES/31122008/CN2008001226_31122008_gz_en.×4-b.jpg | 07-29-2010 |
| 20100249807 | SURGICAL PURSE-STRING SUTURING INSTRUMENT - A surgical purse-string suturing instrument comprises an upper jaw, jaw handle, grip, and a lower jaw, jaw handle, grip, wherein the jaws ( | 09-30-2010 |
| 20100280523 | INSTRUMENT FOR ANORECTAL SURGERY - The present invention provides an instrument for anorectal surgery, comprising a hollow main body, a suture junction disposed at a rear end of the main body and an inserting guider disposed at a front end of the main body. At an operating position, all or part of mucosa and tissues can get through the main body. At least one opening is made in the wall of the main body, and all or part of the mucosa and tissues can get into a hollow interior of the main body through the opening. Because of the openings on the wall of the main body, the present invention can be operated to perform the anorectal surgery of local and non-annular cutting, which facilitates a quick surgical operation, further allays the pain of the patients, and a better operation effect is obtained. | 11-04-2010 |
Weidong Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110177232 | Method for the Fabrication of Composite Palladium and Palladium-Alloy Membranes - The invention relates to a method for the fabrication of composite palladium or palladium alloy membranes. The surface of the porous ceramic substrate is modified with pencil to create a uniform and smooth layer, and the membrane is deposited via electroless plating. The advantages of the pencil modification are a reduction of the substrate surface roughness and a repair of substrate surface defects, which leads to a great improvement in the membrane uniformity and hydrogen permeation performances. This method is facile and economic, and it is especially effective on low-cost macroporous ceramic substrate materials. Furthermore, this method generates almost no pollution and therefore is environmentally benign. | 07-21-2011 |
Xiaoping Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110020191 | APPARATUS FOR PRODUCING AN INTERMEDIATE IN THE SYNTHESIS OF ACESULFAME POTASSIUM - The invention discloses a kind of sulfonation cyclization technique for synthesizing acesulfame potassium for continuous production without stirring and special equipment for this technique. An injection pump is adopted to directly inject the sulfonation raw material and sulfonating agent into autoclave for sulfonation cyclization reaction under high velocity. Moreover, the reciprocating pump is adopted to deliver part of materials in autoclave to condenser designed outside the autoclave for cooling, followed by delivering the cooled materials to another input end of injection pump which together with sulfonation raw material and sulfonating agent is injected into autoclave through high-velocity injection by injection pump. The apparatus is composed of autoclave, injection pump, reciprocating pump and condenser. | 01-27-2011 |
Xinfu Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20080282634 | Composite Concrete Shear Wall for Heat Insulation - A composite concrete shear wall for heat insulation comprises a wall ( | 11-20-2008 |
| 20090056259 | CONCRETE LOAD-BEARING WALL WITH COMPOUND HEAT-INSULATING LAYER - A concrete load-bearing wall with compound heat-insulating layer includes wall body ( | 03-05-2009 |
| 20100218446 | STRUCTURE SYSTEM OF CONCRETE BUILDING FOR SELF-HEAT INSULATION - A structure system of concrete building for self-heat insulation comprises a wall ( | 09-02-2010 |
Xiulian Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110308096 | CHAIN SAW - A chain saw includes a housing, a sprocket wheel which is provided in the housing for driving a saw chain, and a chain guide for guiding the movement of the saw chain. The chain guide extends out longitudinally from the housing and is movable longitudinally relative to the housing. The chain saw includes a chain tensioning device. The chain tensioning device comprises a driven member arranged on the chain guide and a driving member which drives the driven member to move the chain guide longitudinally and a rotating device rotating the driving member. A stepless clutch device is arranged between the rotating device and the driving member. The chain tensioning device presses the chain guide while it tensioning the saw chain. Thus it prevents effectively the chain guide from loosing after the saw chain is tensioned. The operation of the chain tensioning device is labour-saving. The chain tensioning device has a stable structure and it is hard to be worn. | 12-22-2011 |
Xuemei Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20080249639 | Medical Artificial Nerve Graft Containing Silk Fibroin and Its Preparation Method - A medical artificial nerve graft containing silk fibroin used in bridging of nerve damage and its preparation method. The medical artificial nerve graft comprised of vessel or comprised of vessel and fibre scaffold, wherein at least one of the vessel and the fibre scaffold contains component of silk fibroin, and the wall of the vessel has three-dimensional structure provided with numerous microaptures. The preparation method includes the following steps: silk is used to prepare silk fibre; the silk fibroin fibre is used to prepare the vessel or the fibre scaffold containing silk fibroin; and combining the fibre scaffold with the vessel i.e. inlaying the fibre scaffold into the vessel and so on. | 10-09-2008 |
Xuri Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110236152 | TRANSPORTATION PLATFORM AND THE COMBINATION THEREOF - A transportation platform is provided for using in the stern berth of a container ship to stack nonstandard containers/combined containers. The transportation platform includes a frame with a width corresponding to the ISO standard container width, at least one fixing corner fitting group arranged on the bottom surface of the frame, in which each fixing corner fitting group includes four bottom corner fittings which are arranged according to the corner fitting arrangement for the ISO standard containers, a plurality of top corner fittings arranged on the top surface of the frame, which can be combined into at least one stacking corner fitting group, each stacking corner fitting group has four 2×2 arrayed top corner fittings with a predefined space between each other in length direction, corresponding to the corner fitting space in length direction for the stacked nonstandard containers or combined containers. | 09-29-2011 |
Yao Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110236152 | TRANSPORTATION PLATFORM AND THE COMBINATION THEREOF - A transportation platform is provided for using in the stern berth of a container ship to stack nonstandard containers/combined containers. The transportation platform includes a frame with a width corresponding to the ISO standard container width, at least one fixing corner fitting group arranged on the bottom surface of the frame, in which each fixing corner fitting group includes four bottom corner fittings which are arranged according to the corner fitting arrangement for the ISO standard containers, a plurality of top corner fittings arranged on the top surface of the frame, which can be combined into at least one stacking corner fitting group, each stacking corner fitting group has four 2×2 arrayed top corner fittings with a predefined space between each other in length direction, corresponding to the corner fitting space in length direction for the stacked nonstandard containers or combined containers. | 09-29-2011 |
Yongjiang Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110130587 | PROCESS FOR PREPARING R-BETA-AMINO PHENYLBUTYRIC ACID DERIVATIVES - Disclosed is a process for preparing single enantiomers of beta-amino phenylbutyric acid derivatives and pharmaceutically acceptable salts thereof, which affords the desired compounds having special optical configuration. The process comprises a step of chemical synthesis and a step of resolving the optical isomers of beta-amino phenylbutyric acid derivatives with a resolving agent. The resolving step comprises reacting the optical isomers with resolving agents, such as di-para-toluoyl-L-tartaric acid and di-para-toluoyl-D-tartaric acid. The obtained R-beta-amino phenylbutyric acid derivatives (I) have high optical purity, and the total yield of the accumulative resolution of the laevo and the dextro isomer is up to above 70%. | 06-02-2011 |
| 20110184023 | THE SALTS OF N-[4-(1-CYANOCYCLOPENTYL)PHENYL]-2-(4-PYRIDYLMETHYL)AMINO-3-PYRIDINECARBO- XAMIDE - The present invention relates to the salts of N-[4-(1-cyanocyclopentyl)phenyl]-2-(4-pyridylmethyl) amino-3-pyridine carboxamide, especially hydrochloride and mesylate thereof, and the use of said salts in the preparation of an antineoplastic medicament. | 07-28-2011 |
| 20110275614 | METHODS FOR THE PREPARATION OF IVABRADINE SULFATE AND FORM I CRYSTAL THEREOF - Methods for the preparation of Ivabradine sulfate and form I crystal thereof. In particular, the Ivabradine sulfate and the preparation methods thereof, and the stable form I crystal of Ivabradine sulfate and the preparation methods thereof. | 11-10-2011 |
| 20120004463 | RESOLUTION OF 4,5-DIMETHOXY-1-(METHYLAMINOMENTHYL)-BENZOCYCLOBUTANE - A method of resolving an important chemical intermediate, 4,5-dimethoxy-1-(methylaminomethyl)-benzocyclobutane, comprises the following steps: reacting its two enantiomers of 4,5-dimethoxy-1-(methylaminomethyl)-benzocyclobutane with di-p-toluoyl-L-tartaric acid (LDTTA) or di-p-toluoyl-D-tartaric acid (DDTTA) in an alcoholic solution or an alcohol in water solution to give the corresponding salts, and then resolving the salts. This method gives high enantiomer excess value, high yield which is more than 80% in total with normal resolution and reverse resolution. | 01-05-2012 |
Youyuan Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20090245932 | KIND OF OPERATING HANDLE'S LINK SET FOR THE JACK - This invention involves a type of connecting device for handle operation, including front node handle, rear node handle and locking pin. The external circle of front node handle ( | 10-01-2009 |
| 20090296380 | KIND OF LIGHTING SET FOR THE FLOOR JACK - A type of illuminating device used to horizontal jack, of which, the middle part of the axial hole of tray axle ( | 12-03-2009 |
| 20090314124 | Non-Cylinder Shear Jack Handle and Elastic Connecting Device - This inventions involves a type of multi-node operating handle and elastic connecting device for non-cylinder shear jack; the front node handle is provided with two perforated holes used for locking of pin to facilitate the axle and hole coordination; the rear node handle is provided with three prefabricated holes for rivet joint, which makes use of two rivets to realize the serial connection of elastic metal sheet with locking pin and rear node handle as well as the pressing rivet joint of rivets; furthermore, both front and rear node handles have non-cylinder coordination available for better transfer of torsion moment, which can be used to shape the locking pin on the body of elastic metal sheet through pressing. Favorable effects of this invention are stated as follows: the handle structure and connecting device as described in this proposal can facilitate the length combination of operating handle in accommodation with lifting under different loads, which can ensure the reliability of the handle in use. Furthermore, it is also easy for retraction after use. | 12-24-2009 |
Yunfei Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20090092058 | Non-Data-Aided Channel Estimators for Multipath and Multiple Antenna Wireless Systems - Novel non-data-aided maximum likelihood estimators for the delays and the attenuations in an ultra-wide bandwidth channel are proposed. Numerical results show that these new estimators outperform the previous non-data-aided maximum likelihood channel estimators derived in the literature. Moreover, in some cases, the performances of the new non-data-aided estimators approach those of the data-aided estimators, enabling us to reduce the overhead expense of pilot symbols. | 04-09-2009 |
Yunfeng Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110316138 | HIGH FREQUENCY FAST RECOVERY DIODE - A high-frequency fast recovery diode that includes a diode chip set, solder lugs, lead wires, lead terminals, a silicone coating layer and a plastic package body. The diode chip set includes n-diode chips arranged in the same polarity order sequentially, a part of the n-diode chips can be fast recovery diode chips and others can be conventional. Solder lugs are placed on both sides of, and connected with, each diode chip. Lead wires are connected with the solder lugs on the ends of the diode chip set, respectively. The silicone coating layer is provided around the diode chip set and the lugs. The plastic package body is provided around the lead terminals and the silicone coating layer. The shape of the plastic package body can be a cylindrical or square column. The reverse recovery time of the high-frequency fast recovery diode can be shortened, and the voltage resistance performance improved. | 12-29-2011 |
Yuxiang Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20110060160 | Process for preparing isopimaric acid - Disclosed is a process for preparing isopimaric acid, comprising the following steps: First step: dissolving thermally isomerized rosin in acetone, adding in drops a solution of isobutanolamine in acetone to form a precipitate, standing, filtering, washing with ethanol, and drying to obtain crude ammonium salt of isopimaric acid; recrystallizing the crude ammonium salt of isopimaric acid according to multi-recrystallization, and drying to obtain purified crystal of ammonium salt of isopimaric acid; Second step: dissolving the purified crystal of ammonium salt of isopimaric acid obtained in the first step in ether, adding hydrochloric acid in portions until the crystal of ammonium salt of isopimaric acid disappears, removing a water layer and washing the ether layer with water to neutral, evaporating the ether, dissolving the residue in acetone, adding water slowly into the solution dropwise until crystals cease to grow, then filtering and drying to obtain purified isopimaric acid. | 03-10-2011 |
Zhendong Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20120090375 | ZONING CLOSED-DIE EXTRUDING DEVICE AND METHOD - A zoning closed-die extruding device comprises a closed female die and a male die. which is disposed in a longitudinal direction and configured to be mated with a closed cavity of the closed female die to extrude a blank. The male die comprises an extruding shaft portion and a stamp-extruding head portion, which is connected with the extruding shaft portion and disposed below the extruding shaft portion. A cross-sectional area of the stamp-extruding head portion perpendicular to a longitudinal axis of the closed female die is smaller than that of the extruding shaft portion perpendicular to the longitudinal axis of the closed female die. The male die is configured to rotate about the longitudinal axis of the closed female die so that the blank is sequentially and zonally deformed by the stamp-extruding head portion inside the closed cavity of the closed female die. | 04-19-2012 |
Zhongmou Chen, Jiangsu CN
| Patent application number | Description | Published |
|---|---|---|
| 20100018575 | SOLAR CELL OF QUANTUM WELL STORE AND METHOD OF PREPARATION THEREOF - A solar cell of quantum well store is disclosed, including a semiconductor substrate ( | 01-28-2010 |