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      Site: Index >> Technology >> Chemical Patent



    Patent Name:ALKALESCENT CHEMICAL SILVER PLATING SOLUTION
    Country:[HK] Patent ID:[HK1093002]
    Remarks: Applicant:
    FANG, Jing Li; CHAN, Kin Kwok Daniel; LAI, Wing Hong

    Inventor:
    FANG, Jing Li; CHAN, Kin Kwok Daniel; LAI, Wing Hong

    Address for Service:
    Benny Kong & Peter Tang
    21st Floor, Tesbury Centre
    28 Queen's Road East
    Wanchai, Hong Kong
    Details
    Patent Name:Diisobutylene production
    Country:[US] Patent ID:[20070043247]
    Remarks: Abstract:
    A method for forming diisobutylene from a hydrocarbon stream that contains acetylenics and a low concentration of isobutylene, comprising at least reducing the acetylenic content of the stream before catalytically oligomerizing the isobutylene to diisobutylene.


    Inventors: Webber; Kenneth M.; (Friendswood, TX) ; Zak; Thomas S.; (West Chester, PA)
    Correspondence Name and Address: LYONDELL CHEMICAL COMPANY
    3801 WEST CHESTER PIKE
    NEWTOWN SQUARE
    PA
    19073
    US
    Details
    Patent Name:Process to produce low viscosity poly-alpha-olefins
    Country:[US] Patent ID:[20070043248]
    Remarks: Abstract:
    This invention relates to a process to produce a polyalpha-olefin comprising: 1) contacting one or more alpha-olefin monomers having 3 to 24 carbon atoms with an unbridged substituted bis cyclopentadienyl transition metal compound having: 1) at least one non-isoolefin substitution on both cyclopentadientyl rings, or 2) at least two substitutions on at least one cyclopentadienyl ring, a non-coordinating anion activator, and optionally an alkyl-aluminum compound, where the molar ratio of transition metal compound to activator is 10:1 to 0.1:1, and if the alkyl aluminum compound is present then the molar ratio of alkyl aluminum compound to transition metal compound is 1:4 to 4000:1, under polymerization conditions wherein: i) hydrogen is present at a partial pressure of 0.1 to 50 psi, based upon the total pressure of the reactor or the concentration of the hydrogen is from 1 to 10,000 ppm or less by weight; ii) wherein the alpha-olefin monomer(s) having 3 to 24 carbon atoms are present at 10 volume % or more based upon the total volume of the catalyst/activator/alkylaluminum compound solutions, monomers, and any diluents or solvents present in the reaction; iii) the residence time of the reaction is at least 5 minutes; iv) the productivity of the process is at least 43,000 grams of total product per gram of transition metal compound; v) the process is continuous or semi-continuous, and vi) the temperature in the reaction zone does not rise by more than 10.degree. C. during the reaction; and vii) ethylene is not present at more than 30 volume % of the monomers entering the reaction zone; and 2) obtaining a polyalpha-olefin (PAO), optionally hydrogenating the PAO, wherein the PAO comprises at least 50 mole % of a C3 to C24 alpha-olefin monomer, and wherein the PAO has a kinematic viscosity at 100.degree. C. of 20 cSt or less.


    Inventors: Wu; Margaret May-som; (Skillman, NJ) ; Coker; Catalina L.; (Baytown, TX) ; Walzer; John F. JR.; (Seabrook, TX) ; Jiang; Peijun; (League City, TX)
    Correspondence Name and Address: EXXONMOBIL CHEMICAL COMPANY
    5200 BAYWAY DRIVE
    P.O. BOX 2149
    BAYTOWN
    TX
    77522-2149
    US
    Details
    Patent Name:Separation method of alcohol with water by utilizing MCM-41 mesoporous material as stationary phase
    Country:[CN] Patent ID:[200510012905]
    Remarks: Abstract:
    The invention relates to a method for using the middle-pore material of fuchloropropylated function group as stable phase to separating alcohol water, which compressing the MCM-41 of fuchloropropylated function group into sheets at the pressure of 5-9Mpa; selecting the particles in 80-100 items; dipping with acetone for 0.5-1 hours and drying in infrared lamp to be packed into filling post with 1-2m long and the inner diameter at 3-4mm to be aged at 180-200Deg. C for 12-24 hours; the operation conditions of gas-chromatography is that using the hydrogen gas as carrying gas; the gas speed is 20-40ml/min; the temperature of post is 100-150Deg. C; the temperature of vaporation room is 150-200Deg. C; the temperature of detector is 150-200Deg. C; the bridge current is 80-120mA; and the feeding amount is 0.5-4ul. The invention has the stable phase with better chemical stability and heat stability, with lower producing cost.


    Applicant(s) Name: Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences
    Inventor(s) Name: Sun Yuhan, Wei Wei, Guan Lianxiu, Li Junping, Zhao Ning
    Attorney & Agent: li yi
    Details
    Patent Name:Fixation of ionic liquid from polymer
    Country:[CN] Patent ID:[200510107439]
    Remarks: Abstract:
    A method for fixing ion liquid from polymer is carried out by taking polymer as ion liquid carrier, grafting ion liquid into side chain of polymer from amidation, spinning coating, laminated assembling or electrophoretic depositing to fix it onto metal, glass or silicon solid matrix or metal and semiconductor nanometer particles or gold, platinum or glass carbon etc. electrode. It is fast and simple. It can be used for chemical catalysis, chemical separation and electrochemistry.


    Applicant(s) Name: Changchun Applied Chemistry Inst., Chinese Academy of Sciences
    Inventor(s) Name: Niu Li, Shen Yanfei, Zhang Yuanjian, Yuan Junhua, Han Dongxue, Wang Zhijuan
    Attorney & Agent: ma shouzhong
    Details
    Patent Name:Photonic crystal fibers and medical systems including photonic crystal fibers
    Country:[US] Patent ID:[7,167,622]
    Remarks: Abstract
    In general, in one aspect, the invention features systems, including a photonic crystal fiber including a core extending along a waveguide axis and a dielectric confinement region surrounding the core, the dielectric confinement region being configured to guide radiation along the waveguide axis from an input end to an output end of the photonic crystal fiber. The systems also includes a handpiece attached to the photonic crystal fiber, wherein the handpiece allows an operator to control the orientation of the output end to direct the radiation to a target location of a patient.

    Current International Class: G02B 6/02 (20060101)

    Inventors: Temelkuran; Burak (Boston, MA), Anastassiou; Charalambos (Malden, MA), Torres; David (Stoughton, MA), Shapira; Gil (Brookline, MA), Shurgalin; Max (Lexington, MA), Dellemann; Gregor (Cambridge, MA), Weisberg; Ori (Cambridge, MA), Jacobs; Steven A. (Needham, MA), Wang; Tairan (Waltham, MA), Kolodny; Uri (Cambridge, MA), Payne; Robert (Wellesley, MA), Fink; Yoel (Brookline, MA)

    Assignee: OmniGuide, Inc. (Cambridge, MA)
    Details
    Patent Name:Analysis appliance for analysis of blood samples
    Country:[US] Patent ID:[20070016104]
    Remarks: Abstract
    The invention relates to an analysis appliance for analysis of blood samples, and to a user identification method integrated in the analysis appliance. The analysis appliance comprises a sampling device for taking blood samples, and an analysis device. A delivery device is also provided for transferring the blood samples from the sampling device to the analysis device, wherein the operating parameters concerning sampling, transfer of the sample to the analysis device, and analysis of the sample, can be adapted to the respective user. The operating parameters can be adapted by automatic, spontaneous execution of an automatically determined number of test measurements.

    Intern'l Class:
    A61B 5/00 20060101 A61B005/00
    Inventors:
    Jansen; Paul; (Mannheim, DE) ; Rasch-Menges; Jurgen; (Schwetzingen, DE) ; Schmid; Wilfried; (Mannheim, DE)

    Correspondence Name and Address:
    BOSE MCKINNEY & EVANS LLP
    2700 FIRST INDIANA PLAZA
    135 NORTH PENNSYLVANIA STREET
    INDIANAPOLIS
    IN
    46204
    US
    Details
    Patent Name:Polymer with main chain possessing biphenyl flumaronitrile structural unit, its preparation method and uses
    Country:[CN] Patent ID:[200410018072]
    Remarks: Abstract
    The inventio relates to a polymer with main chain possessing biphenyl flumaronitrile structural unit, its preparation method and uses, wherein the polymer has rather high thermal stability, it is soluble in common organic solvent, and has good film-forming property and strong fluorescence.。


    International Classification: C08F222/30,C08G79/08,C09K11/06
    Applicant(s) Name: Shanghai Institute of Organic Chemistry, CAS
    Inventor(s) Name: Fang Qiang
    Attorney & Agent: jiu limeng
    Details
    Patent Name:Preparing method for collagen stroma composite medical fibre spinning stoste
    Country:[CN] Patent ID:[200410022640]
    Remarks: Abstract
    This invention publishes a plug-anlage complex medical fibre. Choose healthy animals, after butcher, decorticate, wash and degrease the peltry. Then, hydrolyze and purify it by using the complex enzym-skin glue disposer and chemical substance. Let it receive animal skin glue with good biology consistence and biology activity. Hydrolyzed animal skin glue can gain glue anlage complex medical fibre filature original liquid when mixed with shell-polysacharide after ulteriorly purification. The original liquid can be used to make biology medical velum, operation medical suture and glue-anlage complex medical fibre original liquid.


    International Classification: D01F8/02,A61L27/50
    Applicant(s) Name: Sichuan Univ.
    Inventor(s) Name: Dan Weihua, Zhou Wenchang
    Attorney & Agent: deng jihan
    Details
    Patent Name:Iodine water agent composite agricutural chemical and its prepn. method
    Country:[CN] Patent ID:[200410023723]
    Remarks: Abstract
    A composite agricultural chemical for the pathogenic fungus, bacteria and virus is prepared from iodine, alkali, benzoic acid and/or benzoate, and alcohol and/or water through dissolving iodine in water or alcohol, adding iodine, slow stirring until to violet smoke, mixing with water or alcohol to obtain liquidA, dissolving benzoic acid and/or benzoate in alcohol or water to obtain liquid B, proportionally mixing A with B, and clarifying.

    International Classification: A01N59/12,A01N25/02
    Applicant(s) Name: Tong Yuchun
    Attorney & Agent: song yongli
    Details
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