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Patent Assignment Assignor Details
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Assignor Name : LEYSHON, DAVID W.
Total Assignments: 42
Assignment: 1
Reel/Frame:004914/0772   Pages: 1
Recorded: 07/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEYSHON, DAVID W.
Exec Dt:
02/12/1987
Assignee
1
ATLANTIC RICHFIELD COMPANY, LOS ANGELES, CALIFORNIA, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4801762
NONE
07014405
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 2
Reel/Frame:005123/0534   Pages: 2
Recorded: 06/29/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
02/23/1988
2
BADER, ROBERT A.
Exec Dt:
02/26/1988
Assignee
1
ATLANTIC RICHFIELD COMPANY
ARCO PLAZA, 515 SO. FLOWER STREET
LOS ANGELES, CALIFORNIA 90071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4876409
NONE
07158128
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 3
Reel/Frame:005123/0523   Pages: 2
Recorded: 06/29/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEYSHON, DAVID W.
Exec Dt:
04/05/1988
Assignee
1
ATLANTIC RICHFIELD COMPANY
ARCO PLAZA, 515 SO. FLOWER STREET
LOS ANGELES, CALIFORNIA 90071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4886932
NONE
07179614
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL CO.
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 4
Reel/Frame:005465/0377   Pages: 4
Recorded: 10/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GELB, MORRIS
Exec Dt:
07/28/1989
2
LEYSHON, DAVID W.
Exec Dt:
07/27/1989
3
SOFRANKO, JOHN A.
Exec Dt:
07/24/1989
4
JONES, C. A.
Exec Dt:
07/25/1989
Assignee
1
ARCO CHEMICAL TECHNOLOGY, INC.
201 NORTH WALNUT STREET
3 CHRISTINA CENTRE SUITE 902
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4988830
NONE
07386940
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL CO.,
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 5
Reel/Frame:005662/0215   Pages: 4
Recorded: 04/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
09/29/1989
2
SOFRANKO, JOHN A.
Exec Dt:
09/29/1989
3
JONES, C. ANDREW
Exec Dt:
09/28/1989
Assignee
1
ARCO CHEMICAL TECHNOLOGY, INC.
3 CHRISTINA CENTRE STE. 902, 201 NORTH WALNUT ST.
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5026936
NONE
07415747
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL CO.
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 6
Reel/Frame:005662/0254   Pages: 4
Recorded: 04/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
09/29/1989
2
SOFRANKO, JOHN A.
Exec Dt:
09/29/1989
3
JONES, C. ANDREW
Exec Dt:
09/28/1989
Assignee
1
ARCO CHEMICAL TECHNOLOGY, INC.
3 CHRISTINA CENTRE, SUITE 902, 201 NORTH WALNUT STREET
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5026935
NONE
07415506
Correspondence name and address
JOHN C. MARTIN, JR
ARCO CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 7
Reel/Frame:005673/0644   Pages: 4
Recorded: 04/19/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
03/27/1990
2
COZZONE, GLENN E.
Exec Dt:
03/27/1990
Assignee
1
ARCO CHEMICAL TECHNOLOGY, INC., 3 CHRISTINA CENTRE, SUITE 902, 201 NORTH WALNUT STREET, WILMINGTON, DE 19801
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5043522
NONE
07500172
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 8
Reel/Frame:006098/0816   Pages: 4
Recorded: 05/01/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JONES, C. ANDREW
Exec Dt:
03/27/1992
2
GAFFNEY, ANNE M.
Exec Dt:
03/27/1992
3
LEYSHON, DAVID W.
Exec Dt:
03/27/1992
4
COZZONE, GLENN E.
Exec Dt:
03/27/1992
5
SOFRANKO, JOHN A.
Exec Dt:
03/27/1992
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
3 CHRISTINA CENTRE SUITE 902
201 NORTH WALNUT STREET
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5192809
NONE
07860638
Correspondence name and address
STEPHEN D. HARPER
ARCO CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 9
Reel/Frame:006206/0340   Pages: 4
Recorded: 07/22/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ALBAL, RAJENDRA S.
Exec Dt:
06/26/1992
2
COCHRAN, ROBERT N.
Exec Dt:
06/26/1992
3
LEYSHON, DAVID W.
Exec Dt:
06/26/1992
4
CANDELA, LAWRENCE M.
Exec Dt:
06/26/1992
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
201 NORTH WALNUT STREET
3 CHRISTINA CENTRE, STE. 902
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5194067
NONE
07905979
Correspondence name and address
JOHN C. MARTIN, JR.
ARCO CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 10
Reel/Frame:006621/0881   Pages: 3
Recorded: 07/26/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
03/19/1993
2
JONES, ROBERT J.
Exec Dt:
03/19/1993
3
COCHRAN, ROBERT N.
Exec Dt:
03/19/1993
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
201 NORTH WALNUT STREET
3 CHRISTINA CENTRE SUITE 902
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5254326
NONE
08034320
Correspondence name and address
JOHN C. MARTIN, JR.
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 11
Reel/Frame:009542/0368   Pages: 3
Recorded: 10/19/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EVANS, THOMAS I.
Exec Dt:
09/23/1998
2
LEYSHON, DAVID W.
Exec Dt:
09/23/1998
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
4001 KENNETT PIKE, SUITE 238
TWO GREENVILLE CROSSING
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5993673
NONE
09160004
Correspondence name and address
ARCO CHEMICAL COMPANY
DENNIS M. KOZAK
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 12
Reel/Frame:012670/0227   Pages: 3
Recorded: 02/27/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XIANGMIN
Exec Dt:
01/21/2002
2
LEYSHON, DAVID W.
Exec Dt:
01/16/2002
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
4001 KENNETT PIKE, SUITE 238
TWO GREENVILLE CROSSING
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6512129
NONE
10055776
Correspondence name and address
LYONDELL CHEMICAL COMPANY
DENNIS M. KOZAK
LEGAL DEPARTMENT
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 13
Reel/Frame:012911/0883   Pages: 3
Recorded: 05/17/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEYSHON, DAVID W.
Exec Dt:
02/27/2002
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING 4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6562987
NONE
10085702
Correspondence name and address
LYONDELL CHEMICAL COMPANY
DENNIS M. KOZAK
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, P.A. 19073
Assignment: 14
Reel/Frame:013201/0523   Pages: 3
Recorded: 08/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WILLIAMS, CARL L.
Exec Dt:
08/12/2002
2
LIN, SHAW-CHAN
Exec Dt:
08/13/2002
3
LEYSHON, DAVID W.
Exec Dt:
08/14/2002
4
CANDELA, LAWRENCE M.
Exec Dt:
08/14/2002
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
2 GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6755979
US20040031763
10219417
Correspondence name and address
LYONDELL CHEMICAL COMPANY
DENNIS M. KOZAK
3801 WEST CHESTER PIKE
LEGAL DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 15
Reel/Frame:013407/0041   Pages: 3
Recorded: 10/17/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
10/10/2002
2
JUBIN, JOHN C., JR.
Exec Dt:
10/10/2002
3
WOLFF, RICHARD J.
Exec Dt:
10/15/2002
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6583300
NONE
10273308
Correspondence name and address
DENNIS M. KOZAK
LEGAL DEPARTMENT
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 16
Reel/Frame:013932/0519   Pages: 3
Recorded: 04/04/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
03/12/2003
2
KARAS, LAWRENCE J.
Exec Dt:
03/13/2003
3
HAN, YUAN-ZHANG
Exec Dt:
03/13/2003
4
CARROLL, KEVIN M.
Exec Dt:
03/13/2003
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040178121
10387849
Correspondence name and address
LYONDELL CHEMICAL COMPANY
KEVIN M. CARROLL
3801 WEST CHESTER PIKE
LEGAL DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 17
Reel/Frame:013936/0279   Pages: 3
Recorded: 04/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KARAS, LAWRENCE J.
Exec Dt:
03/13/2003
2
HAN, YUAN-ZHANG
Exec Dt:
03/13/2003
3
LEYSHON, DAVID W.
Exec Dt:
03/12/2003
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7270742
US20040178122
10387908
Correspondence name and address
LYONDELL CHEMICAL COMPANY
KEVIN M. CARROLL
3801 WEST CHESTER PIKE
LEGAL DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 18
Reel/Frame:014756/0038   Pages: 3
Recorded: 11/26/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAN, YUAN-ZHANG
Exec Dt:
11/26/2003
2
LEYSHON, DAVID W.
Exec Dt:
11/26/2003
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
4001 KENNETT PIKE, SUITE 238
TWO GREENVILLE CROSSING
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7144499
US20050109677
10723870
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 19
Reel/Frame:016305/0465   Pages: 3
Recorded: 02/25/2005
Attorney Dkt #:01-2652A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAHN, ANDREW P.
Exec Dt:
02/01/2005
2
LEYSHON, DAVID W.
Exec Dt:
02/05/2005
3
LIN, SHAW-CHAN
Exec Dt:
02/01/2005
4
CAREY, EDWARD P.
Exec Dt:
02/03/2005
Assignee
1
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING 4001 KENNETT PIKE, 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7238260
US20060086602
10973151
Correspondence name and address
DENNIS M. KOZAK
LEGAL DEPARTMENT
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 20
Reel/Frame:017808/0852   Pages: 6
Recorded: 04/20/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VISWANATHAN, KRISHNAN
Exec Dt:
04/11/2006
2
YANG, LAU S.
Exec Dt:
04/07/2006
3
LENZ, ELLEN S.
Exec Dt:
04/19/2006
4
LEYSHON, DAVID W.
Exec Dt:
04/07/2006
Assignees
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER
1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
2
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7527725
US20070249886
11407739
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 21
Reel/Frame:018729/0077   Pages: 3
Recorded: 12/19/2006
Attorney Dkt #:01-2692A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEYSHON, DAVID W.
Exec Dt:
12/19/2006
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING, 4001 KENNETT PIKE
SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080146856
11641230
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
LEGAL DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 22
Reel/Frame:019484/0975   Pages: 3
Recorded: 06/14/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEYSHON, DAVID W.
Exec Dt:
06/13/2007
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING, 4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8178737
US20080312481
11818318
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 23
Reel/Frame:019729/0113   Pages: 3
Recorded: 08/07/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
08/03/2007
2
ZAK, THOMAS S.
Exec Dt:
08/06/2007
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7816572
US20090043144
11890728
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 24
Reel/Frame:021169/0178   Pages: 3
Recorded: 06/26/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NICHOLS, NATALIE C.M.B.
Exec Dt:
06/05/2008
2
RENAUDO, CHRISTOPHER P.
Exec Dt:
06/12/2008
3
LEYSHON, DAVID W.
Exec Dt:
05/30/2008
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8067655
US20090299117
12156004
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 25
Reel/Frame:021988/0995   Pages: 3
Recorded: 12/04/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZAK, THOMAS S.
Exec Dt:
12/04/2008
2
LEYSHON, DAVID W.
Exec Dt:
12/04/2008
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100145122
12315605
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 26
Reel/Frame:022175/0159   Pages: 3
Recorded: 01/26/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMINSKY, MARK P.
Exec Dt:
01/13/2009
2
LEYSHON, DAVID W.
Exec Dt:
01/19/2009
3
JUTTU, GOPALAKRISHNAN
Exec Dt:
01/19/2009
4
QUAKENBUSH, ALLEN B.
Exec Dt:
01/13/2009
5
CANDELA, LAWRENCE M.
Exec Dt:
01/19/2009
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING
4001 KENNETT PIKE, SUITE 238
GREENVILLE, DELAWARE 19807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100155302
12316948
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 27
Reel/Frame:026850/0994   Pages: 3
Recorded: 09/02/2011
Attorney Dkt #:01-2789A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XIANGMIN
Exec Dt:
06/07/2011
2
LEYSHON, DAVID W.
Exec Dt:
06/07/2011
3
CHANG, TE
Exec Dt:
06/07/2011
Assignee
1
LYONDELL CHEMICAL COMPANY
1221 MCKINNEY
ONE HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8981133
US20120312680
13155136
Correspondence name and address
LYONDELLBASELL INDUSTRIES
1221 MCKINNEY STREET
ONE HOUSTON CENTER
HOUSTON, TX 77010
Assignment: 28
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: 29
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: 30
Reel/Frame:036860/0859   Pages: 3
Recorded: 10/22/2015
Attorney Dkt #:HC6861
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
09/27/2015
2
ZHANG, LEI
Exec Dt:
09/24/2015
3
MASKELL, ROBERT BRUCE
Exec Dt:
09/24/2015
4
WHITE, DANIEL F.
Exec Dt:
09/24/2015
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9873648
US20160115102
14920658
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 31
Reel/Frame:038221/0802   Pages: 6
Recorded: 04/07/2016
Attorney Dkt #:HC6819
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DANG, VU A.
Exec Dt:
09/25/2015
2
LEYSHON, DAVID W.
Exec Dt:
09/28/2015
3
NAGY, SANDOR
Exec Dt:
09/25/2015
4
GREY, ROGER A.
Exec Dt:
09/25/2015
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9932318
US20160297782
15093270
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 32
Reel/Frame:038222/0385   Pages: 5
Recorded: 04/07/2016
Attorney Dkt #:HC6867
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DANG, VU A
Exec Dt:
09/30/2015
2
LEYSHON, DAVID W.
Exec Dt:
09/30/2015
3
NAGY, SANDOR
Exec Dt:
09/20/2015
4
GREY, ROGER A.
Exec Dt:
10/01/2015
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9643943
US20160297783
15093370
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 33
Reel/Frame:040009/0625   Pages: 7
Recorded: 10/13/2016
Attorney Dkt #:01-2713A C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XIANGMIN
Exec Dt:
10/13/2016
2
CANDELA, LAWRENCE M.
Exec Dt:
10/06/2016
3
LIEPA, MARK A.
Exec Dt:
10/06/2016
4
LEYSHON, DAVID W.
Exec Dt:
10/06/2016
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9586881
US20160031779
14880653
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 34
Reel/Frame:047275/0300   Pages: 3
Recorded: 10/19/2018
Attorney Dkt #:HC6964
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEYSHON, DAVID W.
Exec Dt:
03/26/2018
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10513472
US20190127291
16165603
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 35
Reel/Frame:048237/0844   Pages: 5
Recorded: 02/05/2019
Attorney Dkt #:HC7041
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSS-MEDGAARDEN, ELIZABETH I.
Exec Dt:
06/26/2018
2
LEYSHON, DAVID W.
Exec Dt:
06/26/2018
3
RUFENER, KARL P.
Exec Dt:
06/26/2018
4
KONGKITISUPCHAI, SUNTI
Exec Dt:
06/26/2018
5
WOLFF, RICHARD J.
Exec Dt:
06/27/2018
6
PETRY, KIMBERLY A.
Exec Dt:
06/28/2018
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 700
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10513502
US20190241534
16267526
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 36
Reel/Frame:054245/0295   Pages: 8
Recorded: 11/02/2020
Attorney Dkt #:HC7158
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGY, SANDOR
Exec Dt:
08/31/2020
2
BRUSCHI, NICHOLAS
Exec Dt:
08/31/2020
3
ROSS-MEDGAARDEN, ELIZABETH I.
Exec Dt:
08/24/2020
4
LEYSHON, DAVID W.
Exec Dt:
08/11/2020
5
KIMMICH, BARBARA
Exec Dt:
08/27/2020
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11590477
US20210129112
17087165
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 37
Reel/Frame:054245/0852   Pages: 8
Recorded: 11/02/2020
Attorney Dkt #:HC7197
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGY, SANDOR
Exec Dt:
08/18/2020
2
BRUSCHI, NICHOLAS
Exec Dt:
08/19/2020
3
ROSS-MEDGAARDEN, ELIZABETH I.
Exec Dt:
08/24/2020
4
LEYSHON, DAVID W.
Exec Dt:
08/11/2020
5
KIMMICH, BARBARA
Exec Dt:
08/27/2020
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210129113
17087233
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 38
Reel/Frame:056692/0304   Pages: 4
Recorded: 06/28/2021
Attorney Dkt #:HC7255
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
03/03/2021
2
WATSON, RICK B.
Exec Dt:
03/15/2021
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11261142
NONE
17360824
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 39
Reel/Frame:058030/0898   Pages: 3
Recorded: 11/05/2021
Attorney Dkt #:HC7254
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, RICK B.
Exec Dt:
08/18/2021
2
LEYSHON, DAVID W.
Exec Dt:
08/18/2021
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220135499
17519862
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 40
Reel/Frame:058031/0082   Pages: 3
Recorded: 11/05/2021
Attorney Dkt #:HC7256
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, RICK B.
Exec Dt:
08/18/2021
2
LEYSHON, DAVID W.
Exec Dt:
08/18/2021
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11440858
US20220135500
17519884
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, TX 77010
Assignment: 41
Reel/Frame:060094/0339   Pages: 6
Recorded: 06/03/2022
Attorney Dkt #:HC7327
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, RICK B.
Exec Dt:
01/25/2022
2
LEYSHON, DAVID W.
Exec Dt:
01/25/2022
3
FOGARTY, KEVIN P.
Exec Dt:
03/15/2022
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220401934
17831563
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
LEGAL IP DEPARTMENT
HOUSTON, 77010 UNITED STATES
Assignment: 42
Reel/Frame:066965/0808   Pages: 6
Recorded: 04/01/2024
Attorney Dkt #:HC7104
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYSHON, DAVID W.
Exec Dt:
10/18/2022
2
NAGY, SANDOR
Exec Dt:
11/03/2022
3
ROSS-MEDGAARDEN, ELIZABETH I.
Exec Dt:
10/19/2022
Assignee
1
LYONDELL CHEMICAL TECHNOLOGY, L.P.
LYONDELLBASELL TOWER
1221 MCKINNEY STREET, SUITE 300
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230339832
18303844
Correspondence name and address
ANA EVETTE MATUTE
1221 MCKINNEY STREET
SUITE 300
HOUSTON, TX 77010

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