Ping Xu
Real Estate Commission in Hockessin, DE

License number
Delaware RS-0016047
Issued Date
Aug 14, 2003
Expiration Date
Apr 30, 2018
Category
Real Estate
Type
Salesperson
Address
Address 2
Hockessin, DE 19707

Professional information

Ping Xu Photo 1

Expandable Functional Tfe Copolymer Fine Powder, The Expandable Functional Products Obtained Therefrom And Reaction Of The Expanded Products

US Patent:
8557883, Oct 15, 2013
Filed:
Mar 26, 2012
Appl. No.:
13/429684
Inventors:
Ping Xu - Hockessin DE, US
Jack J. Hegenbarth - Wilmington DE, US
Xin Kang Chen - Shanghai, CN
Assignee:
W. L. Gore & Associates, Inc. - Newark DE
International Classification:
C08J 9/16, C08F 214/26, C08F 14/26, C08F 114/26, C08F 2/00
US Classification:
521 56, 521140, 521145, 526242, 526247, 526248, 526255
Abstract:
A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion.


Ping Xu Photo 2

Expandable Functional Tfe Copolymer Fine Powder, The Expandable Functional Products Obtained Therefrom And Reaction Of The Expanded Products

US Patent:
2010024, Sep 30, 2010
Filed:
Mar 24, 2009
Appl. No.:
12/410050
Inventors:
Ping Xu - Hockessin DE, US
Jack J. Hegenbarth - Wilmington DE, US
Xin Kang Chen - Shanghai, CN
International Classification:
C08F 12/30, C08L 27/12, C08J 9/28, C12N 11/08
US Classification:
435180, 526255, 526247, 526243, 526248, 524544, 524546, 521145, 521 65, 521 55
Abstract:
A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion.


Ping Xu Photo 3

Expandable Functional Tfe Copolymer Fine Powder, The Expanded Functional Products Obtained Therefrom And Reaction Of The Expanded Products

US Patent:
2011003, Feb 17, 2011
Filed:
Sep 21, 2010
Appl. No.:
12/886817
Inventors:
Ping Xu - Hockessin DE, US
Jack J. Hegenbarth - Wilmington DE, US
Rachel Radspinner - Newark DE, US
Paul D. Drumheller - Flagstaff AZ, US
William B. Johnson - Newark DE, US
Wen K. Liu - Newark DE, US
Xin Kang Chen - Shanghai, CN
International Classification:
C08J 9/16, C08F 214/26
US Classification:
521 505, 521 56, 521145
Abstract:
A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion.


Ping Xu Photo 4

High Purity Perfluoroelastomer Composites And A Processes To Produce The Same

US Patent:
2006027, Nov 30, 2006
Filed:
May 25, 2005
Appl. No.:
11/136744
Inventors:
Ping Xu - Hockessin DE, US
Jack Hegenbarth - Wilmington DE, US
International Classification:
C09D 5/02
US Classification:
524501000
Abstract:
High purity perfluoroelastomer composites and processes for producing the same are provided. High purity composites may be formed from compositions comprising a crosslinkable fluoroelastomer terpolymer of TFE, PAVE, and CNVE, and functionalized PTFE, which may be crosslinked to form crosslinked composites having low metal content and low compression set. Emulsion mixtures for forming the high purity composites are also provided.


Ping Xu Photo 5

High Purity Transparent Perfluoroelastomer Parts And A Process To Produce The Same

US Patent:
8063150, Nov 22, 2011
Filed:
Dec 31, 2008
Appl. No.:
12/346970
Inventors:
Ping Xu - Hockessin DE, US
Jack Hegenbarth - Wilmington DE, US
Xin Kang Chen - Shanghai, CN
Jian Hou - Shanghai, CN
Assignee:
Gore Enterprise Holdings, Inc. - Newark DE
International Classification:
C08F 8/00
US Classification:
5253263, 524544, 524545
Abstract:
Crosslinkable perfluoroelastomer compositions having low metal content and low compression set when crosslinked, and processes for producing the same, are provided. Compositions comprising terpolymers of TFE, PAVE, and CNVE having a metal content of less than 3000 ppb may be formed into high purity transparent perfluoroelastomer parts.


Ping Xu Photo 6

High Purity Perfluoroelastomer Composites And A Process To Produce The Same

US Patent:
8623963, Jan 7, 2014
Filed:
Jan 14, 2009
Appl. No.:
12/353514
Inventors:
Ping Xu - Hockessin DE, US
Jack Hegenbarth - Wilmington DE, US
Assignee:
W. L. Gore & Associates, Inc. - Newark DE
International Classification:
C08F 8/00, C08J 3/05
US Classification:
5253263, 524501, 524520, 524546, 525199, 528481
Abstract:
High purity perfluoroelastomer composites and processes for producing the same are provided. High purity composites may be formed from compositions comprising a crosslinkable fluoroelastomer terpolymer of TFE, PAVE, and CNVE, and functionalized PTFE, which may be crosslinked to form crosslinked composites having low metal content and low compression set. Emulsion mixtures for forming the high purity composites are also provided.


Ping Xu Photo 7

Water Permeable Fluoropolymer Articles

US Patent:
2010028, Nov 4, 2010
Filed:
Jul 20, 2010
Appl. No.:
12/839443
Inventors:
Tarun K. Poddar - Newark DE, US
Ping Xu - Hockessin DE, US
International Classification:
C08F 14/26
US Classification:
526243
Abstract:
A water permeable fluoropolymer article is described comprising a functional copolymer of TFE, PSVE and sulfonic acid pendant to the polymer chain, as well as methods of making the article. The method comprises providing a copolymer membrane comprising a microstructure characterized by nodes interconnected by fibrils, wherein said membrane, immersing said membrane in hot water for a period of time to render the membrane water permeable.


Ping Xu Photo 8

High Purity Transparent Perfluoroelastomer Parts And A Process To Produce The Same

US Patent:
7488781, Feb 10, 2009
Filed:
May 25, 2005
Appl. No.:
11/136853
Inventors:
Ping Xu - Hockessin DE, US
Jack Hegenbarth - Wilmington DE, US
Xin Kang Chen - Shanghai, CN
Jian Hou - Shanghai, CN
Assignee:
Gore Enterprise Holdings, Inc. - Newark DE
International Classification:
C08F 8/00
US Classification:
5253263, 524544, 524545
Abstract:
Crosslinkable perfluoroelastomer compositions having low metal content and low compression set when crosslinked, and processes for producing the same, are provided. Compositions comprising terpolymers of TFE, PAVE, and CNVE having a metal content of less than 3000 ppb may be formed into high purity transparent perfluoroelastomer parts.