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Patent Assignment Assignor Details
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Assignor Name : DUBNER, WALTER S.
Total Assignments: 9
Assignment: 1
Reel/Frame:006139/0353   Pages: 4
Recorded: 06/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBNER, WALTER S.
Exec Dt:
05/08/1992
2
COCHRAN, ROBERT N.
Exec Dt:
05/08/1992
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
3 CHRISTINA CENTRE, STE. 902, 201 WALNUT ST.
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5210354
NONE
07880836
Correspondence name and address
JOHN C. MARTIN, JR.
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 2
Reel/Frame:006464/0706   Pages: 3
Recorded: 03/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBNER, WALTER S.
Exec Dt:
02/10/1993
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
201 NORTH WALNUT STEET, SUITE 902
3 CHRISTINA CENTRE
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5276235
NONE
08019944
Correspondence name and address
JOHN C. MARTIN, JR.
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 3
Reel/Frame:010649/0305   Pages: 3
Recorded: 02/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNER, WALTER S.
Exec Dt:
01/14/2000
2
SHUM, WILFRED PO-SUM
Exec Dt:
01/14/2000
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
4001 KENNETT PIKE
TWO GREENVILLE CROSSING, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6225509
NONE
09478480
Correspondence name and address
LYONDELL CHEMICAL COMPANY
DENNIS M. KOZAK
3801 WEST CHESTER PIKE
PATENT DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 4
Reel/Frame:016112/0334   Pages: 3
Recorded: 12/20/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNER, WALTER S.
Exec Dt:
12/17/2004
2
SHUM, WILFRED PO-SUM
Exec Dt:
12/17/2004
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6969780
NONE
11017588
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 5
Reel/Frame:018417/0860   Pages: 3
Recorded: 10/13/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WHITE, DANIEL F.
Exec Dt:
10/13/2006
2
DUBNER, WALTER S.
Exec Dt:
10/13/2006
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7271295
NONE
11580510
Correspondence name and address
KEVIN M. CARROLL
LEGAL DEPARTMENT
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 6
Reel/Frame:020251/0220   Pages: 3
Recorded: 12/04/2007
Attorney Dkt #:01-2707A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNER, WALTER S.
Exec Dt:
12/03/2007
2
RENAUDO, CHRISTOPHER P.
Exec Dt:
11/29/2007
3
LIN, SHAW-CHAN
Exec Dt:
11/21/2007
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090143630
11999222
Correspondence name and address
YUANZHANG HAN
LEGAL DEPARTMENT
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PENNSYLVANIA 19073
Assignment: 7
Reel/Frame:033431/0795   Pages: 6
Recorded: 07/31/2014
Attorney Dkt #:HC6699
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XIANGMIN
Exec Dt:
01/06/2014
2
CHANG, TE
Exec Dt:
11/06/2013
3
LEYSHON, DAVID W.
Exec Dt:
11/07/2013
4
DUBNER, WALTER S.
Exec Dt:
11/09/2013
5
ROSS-MEDGAARDEN, ELIZABETH I.
Exec Dt:
11/07/2013
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET
SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9593090
US20150031905
14336149
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 8
Reel/Frame:041125/0781   Pages: 6
Recorded: 01/30/2017
Attorney Dkt #:HC6699 D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XIANGMIN
Exec Dt:
01/06/2014
2
CHANG, TE
Exec Dt:
11/06/2013
3
LEYSHON, DAVID W.
Exec Dt:
11/07/2013
4
DUBNER, WALTER S.
Exec Dt:
11/09/2013
5
ROSS-MEDGAARDEN, ELIZABETH I.
Exec Dt:
11/07/2013
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233166
US20170137394
15419713
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 9
Reel/Frame:043730/0795   Pages: 6
Recorded: 09/28/2017
Attorney Dkt #:HC6904
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WHITE, DANIEL F.
Exec Dt:
09/21/2016
2
DUBNER, WALTER S.
Exec Dt:
10/04/2016
3
MANDIMUTSIRA, BEAVEN S.
Exec Dt:
09/21/2016
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9914684
US20170144953
15352771
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010

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