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Patent Assignment Assignor Details
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Assignor Name : CHANG, AI-FU
Total Assignments: 20
Assignment: 1
Reel/Frame:028243/0558   Pages: 4
Recorded: 05/21/2012
Attorney Dkt #:211459US00 (4081-18100)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
2
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9180405
US20120232232
13446965
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 750
PLANO, TX 75024
Assignment: 2
Reel/Frame:028258/0928   Pages: 5
Recorded: 05/23/2012
Attorney Dkt #:211490US00 (4081-19500)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUFELD, SCOTT E.
Exec Dt:
05/03/2012
2
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
3
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9108147
US20120232231
13447003
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 750
PLANO, TX 75024
Assignment: 3
Reel/Frame:035549/0389   Pages: 5
Recorded: 05/01/2015
Attorney Dkt #:211490US01 (4081-19501)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUFELD, SCOTT E.
Exec Dt:
05/03/2012
2
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
3
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9187383
US20150232396
14700912
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 4
Reel/Frame:036014/0410   Pages: 5
Recorded: 07/07/2015
Attorney Dkt #:4081-19502
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUFELD, SCOTT E.
Exec Dt:
05/03/2012
2
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
3
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DR.
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9284430
US20150267027
14725991
Correspondence name and address
CONLEY ROSE, P.C.
5601 GRANITE PARKWAY
SUITE 500
PLANO, TX 75024
Assignment: 5
Reel/Frame:036905/0817   Pages: 4
Recorded: 10/28/2015
Attorney Dkt #:211459US01 (4081-18101)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
2
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9399608
US20160023966
14877590
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 6
Reel/Frame:037667/0017   Pages: 5
Recorded: 02/04/2016
Attorney Dkt #:211490US03 (4081-19503)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUFELD, SCOTT E.
Exec Dt:
05/03/2012
2
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
3
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9598514
US20160152745
15014885
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 7
Reel/Frame:038986/0715   Pages: 4
Recorded: 06/22/2016
Attorney Dkt #:211459US02 (4081-18102)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOTTOVY, JOHN D.
Exec Dt:
05/03/2012
2
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9580370
US20160297729
15189453
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 8
Reel/Frame:041205/0579   Pages: 6
Recorded: 02/08/2017
Attorney Dkt #:211490US04 (4081-19504)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUFELD, SCOTT E
Exec Dt:
05/03/2012
2
HOTTOVY, JOHN D
Exec Dt:
05/03/2012
3
CHANG, AI-FU
Exec Dt:
05/03/2012
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9790298
US20170145125
15426643
Correspondence name and address
CONLEY ROSE P.C.
5601 GRANITE PARKWAY
SUITE 500
PLANO, TX 75024
Assignment: 9
Reel/Frame:033376/0948   Pages: 4
Recorded: 07/23/2014
Attorney Dkt #:211598US00 (4081-23700)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
07/24/2013
2
CHANG, AI-FU
Exec Dt:
07/24/2013
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9238193
US20150030524
13948861
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 10
Reel/Frame:037273/0723   Pages: 4
Recorded: 12/11/2015
Attorney Dkt #:211598US01 (4081-23701)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
07/24/2013
2
CHANG, AI-FU
Exec Dt:
07/24/2013
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9732016
US20160096784
14966208
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 11
Reel/Frame:042925/0274   Pages: 4
Recorded: 07/06/2017
Attorney Dkt #:211598US02 (4081-23702)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
07/24/2013
2
CHANG, AI-FU
Exec Dt:
07/24/2013
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10131596
US20170305817
15642550
Correspondence name and address
CONLEY ROSE P.C.
5601 GRANITE PARKWAY
SUITE 500
PLANO, TX 75024
Assignment: 12
Reel/Frame:033692/0276   Pages: 4
Recorded: 09/08/2014
Attorney Dkt #:211648US00 (4081-25200)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
05/19/2014
2
CHANG, AI-FU
Exec Dt:
05/20/2014
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9126878
NONE
14449443
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 13
Reel/Frame:036059/0451   Pages: 4
Recorded: 07/10/2015
Attorney Dkt #:4081-25201
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
05/19/2014
2
CHANG, AI-FU
Exec Dt:
05/20/2014
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DR.
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9339755
US20160030878
14795784
Correspondence name and address
CONLEY ROSE, P.C.
5601 GRANITE PARKWAY
SUITE 500
PLANO, TX 75024
Assignment: 14
Reel/Frame:034553/0343   Pages: 4
Recorded: 12/19/2014
Attorney Dkt #:211651US00 (4081-26000)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
12/01/2014
2
CHANG, AI-FU
Exec Dt:
12/07/2014
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9108891
NONE
14550638
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 15
Reel/Frame:036137/0209   Pages: 4
Recorded: 07/20/2015
Attorney Dkt #:4081-26001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
12/01/2014
2
CHANG, AI-FU
Exec Dt:
12/07/2014
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DR.
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9227890
NONE
14803712
Correspondence name and address
CONLEY ROSE, P.C.
5601 GRANITE PARKWAY
SUITE 500
PLANO, TX 75024
Assignment: 16
Reel/Frame:037204/0894   Pages: 4
Recorded: 12/03/2015
Attorney Dkt #:211651US01 (4081-26002)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
12/01/2014
2
CHANG, AI-FU
Exec Dt:
12/07/2014
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9427694
US20160144313
14957412
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 17
Reel/Frame:034957/0254   Pages: 4
Recorded: 02/13/2015
Attorney Dkt #:211626US00 (4081-24700)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JI, LEI
Exec Dt:
12/16/2014
2
CHANG, AI-FU
Exec Dt:
12/22/2014
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10227274
US20150133711
14597415
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 18
Reel/Frame:049195/0799   Pages: 10
Recorded: 05/16/2019
Attorney Dkt #:212029US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CURREN, JOSEPH A.
Exec Dt:
05/16/2019
2
HEIN, JAMES E.
Exec Dt:
05/15/2019
3
ROMIG, RALPH W.
Exec Dt:
05/08/2019
4
CHANG, AI-FU
Exec Dt:
05/11/2019
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11021549
US20200354483
16404409
Correspondence name and address
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TX 77380
Assignment: 19
Reel/Frame:056195/0368   Pages: 10
Recorded: 05/11/2021
Attorney Dkt #:212029US01 (4081-35501)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CURREN, JOSEPH A.
Exec Dt:
05/16/2019
2
HEIN, JAMES E.
Exec Dt:
05/15/2019
3
ROMIG, RALPH W.
Exec Dt:
05/08/2019
4
CHANG, AI-FU
Exec Dt:
05/11/2019
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
11021549
US20200354483
16404409
 
11578145
US20210261694
17314236
Correspondence name and address
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TX 77380
Assignment: 20
Reel/Frame:060428/0651   Pages: 9
Recorded: 07/07/2022
Attorney Dkt #:212101US00 (29604-0101)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, AI-FU
Exec Dt:
01/01/2022
2
LI, HETIAN
Exec Dt:
01/03/2022
3
BARRY, CHRISTINA M.
Exec Dt:
01/12/2022
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230399419
17664275
Correspondence name and address
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TX 77380

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