Qian Guo from Summit, NJ, age 52

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Address:

Prudential
751 Broad St Fl 14, Newark, NJ 07102
9733675438 (Office)

Licenses:

New York - Currently registered 2012

Education:

Albany Law School

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Address:

Shearman & Sterling
29788052xx (Office)

Licenses:

New York - Currently registered 2011

Education:

The University of Chicago

Lubricant Compositions
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US Patent:

20120251843, Oct 4, 2012
Filed:

Mar 31, 2011
Appl. No.:

13/077747
Inventors:

XIAOPING YAN - Pleasanton CA, US
Michael Joseph Stirniman - Fremont CA, US
Jiping Yang - San Jose CA, US
Wenhong Liu - San Jose CA, US
Qian Guo - Fremont CA, US
Assignee:

SEAGATE TECHNOLOGY LLC. - Scotts Valley CA
International Classification:

G11B 5/725
C10M 107/48
C08G 79/02
C10M 107/38
C08G 65/00
US Classification:

428800, 508582, 528401, 528399, 508422
Abstract:

Compositions including one or more a central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein the arms comprise perfluoropolyethers (PFPEs) or its derivatives. Methods of preparing the compositions are also provided. Methods of preparing storage media that incorporate the compositions therein are further provided.

Vapor Collection
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US Patent:

20120251720, Oct 4, 2012
Filed:

Mar 31, 2011
Appl. No.:

13/077649
Inventors:

QIAN GUO - Fremont CA, US
Mark Smura - Palo Alto CA, US
Michael Joseph Stirniman - Fremont CA, US
Hamid Riahi Samani - Los Altos CA, US
Assignee:

SEAGATE TECHNOLOGY LLC - Scotts Valley CA
International Classification:

B05C 11/10
B05C 11/00
C23C 16/44
US Classification:

4272481, 118722, 118724
Abstract:

An apparatus for collecting condensed vapor during physical vapor deposition includes an enclosure configured to be placed adjacent to one or more vapor sources in a vacuum chamber. The enclosure includes an internal surface of the enclosure partially enclosing a volume of space configured to receive an object wherein the enclosure is maintained at a cooler temperature than the one or more vapor sources. The internal surface of the enclosure is coupled to one or more drainage gutters drainage drainage gutters.

Polyfluoro Lubricant Compositions
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US Patent:

20200002640, Jan 2, 2020
Filed:

Jul 2, 2018
Appl. No.:

16/025954
Inventors:

- Cupertino CA, US
JiPing YANG - San Jose CA, US
Jingyuan ZHUO - San Jose CA, US
Qian GUO - Fremont CA, US
Wen H. LIU - San Jose CA, US
International Classification:

C10M 147/04
C10M 107/38
Abstract:

Provided herein is a lubricant comprising a compound of Formula I:wherein Rand Rare independent and have the structure selected from —(CFO)(CFCFO)(CFCFCFO)(CFCFCFCFO)—,

Fluoropolyether Compound And Lubricant
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US Patent:

20190237101, Aug 1, 2019
Filed:

Jan 29, 2019
Appl. No.:

16/260692
Inventors:

- Cupertino CA, US
JiPing Yang - San Jose CA, US
Jingyuan Zhuo - Fremont CA, US
Qian Guo - Fremont CA, US
Wen Liu - San Jose CA, US
International Classification:

G11B 5/725
C10M 107/32
C08L 71/02
Abstract:

Fluoropolyether compounds that can be used as a lubricant, such as for magnetic recording media. The compounds have a terminal group that includes a phenol or benzene. The fluoropolyether compounds reduce the head to media distance while keeping comparable reliability in a hard disk drive compared to current industrial widely used fluoropolyether based lubricants.

Methods Of Forming Overcoats On Magnetic Storage Media And Magnetic Storage Media Formed Thereby
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US Patent:

20170069345, Mar 9, 2017
Filed:

Sep 9, 2015
Appl. No.:

14/848442
Inventors:

- Cupertino CA, US
Xiaoding Ma - Fremont CA, US
Paul M. Jones - Palo Alto CA, US
Hamid R. Samani - Los Altos CA, US
Tommy T. Cheung - Alameda CA, US
Christopher L. Platt - Fremont CA, US
Qian Guo - Fremont CA, US
Yang Yang - Fremont CA, US
International Classification:

G11B 5/725
C23C 16/56
C23C 16/48
C23C 16/26
G11B 5/84
C23C 16/50
Abstract:

Methods of forming a magnetic storage disc, the method including depositing a carbon containing material on a magnetic recording layer to form a carbon containing layer, wherein the carbon containing layer is deposited using chemical vapor deposition, ion beam deposition, or filtered cathodic arc deposition; treating the carbon containing layer with a source of oxygen to form an oxygen layer; and depositing a lubricant on the oxygen layer.

Lubricants For Data Storage
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US Patent:

20140099518, Apr 10, 2014
Filed:

Oct 5, 2012
Appl. No.:

13/645672
Inventors:

- Cupertino CA, US
Michael Stirniman - Fremont CA, US
Qian Guo - Fremont CA, US
Wenhong Liu - San Jose CA, US
Assignee:

SEAGATE TECHNOLOGY LLC - Cupertino CA
International Classification:

G11B 5/725
C07D 403/14
G11B 5/62
C07D 251/30
US Classification:

428833, 544219
Abstract:

Disclosed herein are compounds of formula I:wherein L is a perfluoropolyether;R isq can be an integer equal to or greater than 1;p can independently be integers from 0 to 7;X and Y can independently be chosen from: —OH, —CHCHOH, CHCHOCHCHOH, —CHCH(OH)CHOH, —CH, —CHCH, —CHCH(OH)CH, F, —CF, —CFCF, piperonyl, triazine, benzotriazole, and derivatives thereof; andZ, if present, can independently be chosen from: —CH—, —CHCHCH—, —CHCH(OH)CH—, —CHCH(OH)CHCH(OH)CH—, —CH(OH)CH(OH)CH—, —CH(CHOH)—, or —CH(CH)—.