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Zhou XuKaty, TX

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Katy, TX   

Nashville, TN   

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Zhou Xu

License #: 33539 - Active
Issued Date: Jun 26, 2015
Renew Date: Dec 1, 2015
Expiration Date: Nov 30, 2017
Type: Certified Public Accountant

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Zhou Xu


Us Patents

High Molecular Weight Polymers As Viscosity Modifiers

US Patent:
2013030, Nov 14, 2013
May 7, 2013
Appl. No.:
Robert Jude Sutherland - Houston TX, US
Zhou Xu - Katy TX, US
Shell Oil Company - Houston TX
International Classification:
C10M 143/00
US Classification:
508591, 508110
A lubricating composition comprises a base oil and between 10 ppm and 1000 ppm by mass of a viscosity modifier, the viscosity modifier comprising a polymer having a number average molecular weight greater than 500,000. The polymer's side-chains may be branched or unbranched. The polymer is preferably selected from the group consisting of polyolefin, poly alpha olefin, poly internal olefin, ethylene-propylene copolymers, ethylene-propylene-diene copolymers, ethylene-propylene-acrylate copolymers, ethylene-propylene-methacrylate copolymers, ethylene-propylene-aromatic copolymers, ethylene-propylene-diene-acrylate copolymers, ethylene-propylene-diene-methacrylate copolymers, and combinations thereof.

Pre-Coated Surfaces For Analysis

US Patent:
2012002, Jan 26, 2012
May 20, 2011
Appl. No.:
Paul E. Laibinis - Nashville TN, US
Richard Caprioli - Nashville TN, US
Zhou Xu - Nashville TN, US
Junhai Yang - Nashville TN, US
Vanderbilt University - Nashville TN
International Classification:
B41M 5/00
B05D 7/14
B05D 1/32
B05D 5/00
B05D 1/36
US Classification:
4281951, 427256, 427258, 427282, 427287
Sample preparation can be a tedious and time consuming task. For example, MALDI imaging of tissue samples can require the tedious process of hand or robotically spotting solutions containing chemical species referred to as “matrix” onto a tissue sample prior its mass spectral analysis. Provided is a process for preparing a sample comprising immersing a solid support that has a surface comprising a first part that is more hydrophilic than a second part into a target compound solution, wherein the target compound is deposited primarily onto the more hydrophilic part; and/or applying and evaporating the target compound solution onto the substrate to produce the pre-coated substrate. A tissue or other sample may then be placed on the substrate for analysis.

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