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Patent Assignment Assignor Details
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Assignor Name : IMFELD, STEPHEN M.
Total Assignments: 15
Assignment: 1
Reel/Frame:005779/0779   Pages: 3
Recorded: 07/30/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IMFELD, STEPHEN M.
Exec Dt:
03/21/1989
2
SHIPLEY, RANDALL S.
Exec Dt:
03/21/1989
Assignee
1
DOW CHEMICAL COMPANY, THE
2030 DOW CENTER, ABBOTT RD.,
MIDLAND, MICHIGAN 48640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5057372
NONE
07326931
Correspondence name and address
RICHARD G. WATERMAN
THE DOW CHEMICAL COMPANY
P.O. BOX 1967
MIDLAND, MICHIGAN 48641-1967
Assignment: 2
Reel/Frame:007418/0868   Pages: 3
Recorded: 03/27/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMFELD, STEPHEN M.
Exec Dt:
03/27/1995
2
STEIN, DARYL L.
Exec Dt:
03/27/1995
Assignee
1
QUANTUM CHEMICAL CORPORATION
11500 NORTHLAKE DRIVE
CINCINNATI, OHIO 45249
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
H001600
NONE
08410994
Correspondence name and address
QUANTUM CHEMICAL CORPORATION
WILLIAM A. HEIDRICH
11500 NORTHLAKE DRIVE
CINCINNATI, OHIO 45249
Assignment: 3
Reel/Frame:011430/0735   Pages: 3
Recorded: 01/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WILLIAMS, KELLY L.
Exec Dt:
10/20/2000
2
CRIBBS, LEONARD V.
Exec Dt:
10/20/2000
3
IMFELD, STEPHEN M.
Exec Dt:
10/23/2000
4
CHANDRASHEKAR, VENKI
Exec Dt:
10/23/2000
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER 1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6355733
NONE
09688314
Correspondence name and address
LYONDELL CHEMICAL COMPANY
SHAO GUO
3801 WEST CHESTER PIKE
LEGAL DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 4
Reel/Frame:019085/0553   Pages: 3
Recorded: 03/14/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BORKE, JEFFREY S.
Exec Dt:
03/12/2007
2
MCFADDIN, DOUGLAS C.
Exec Dt:
03/12/2007
3
IMFELD, STEPHEN M.
Exec Dt:
03/13/2007
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER, 1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8436085
US20080227900
11717944
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 5
Reel/Frame:030677/0797   Pages: 4
Recorded: 06/25/2013
Attorney Dkt #:88-2151A-C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BORKE, JEFFREY S.
Exec Dt:
03/12/2007
2
MCFADDIN, DOUGLAS C.
Exec Dt:
03/12/2007
3
IMFELD, STEPHEN M.
Exec Dt:
03/13/2007
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
ONE HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8809433
US20130225742
13856097
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY, SUITE 700
LBT LEGAL
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:021121/0709   Pages: 3
Recorded: 06/16/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGY, SANDOR
Exec Dt:
06/10/2008
2
TSUIE, BARBARA M.
Exec Dt:
06/04/2008
3
IMFELD, STEPHEN M.
Exec Dt:
05/29/2008
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER, 1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7671151
US20090292087
12154268
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 7
Reel/Frame:021481/0116   Pages: 3
Recorded: 09/02/2008
Attorney Dkt #:88-2186A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ETHERTON, BRADLEY P.
Exec Dt:
08/06/2008
2
IMFELD, STEPHEN M.
Exec Dt:
08/06/2008
3
GARRISON, PHILIP J.
Exec Dt:
08/12/2008
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER
1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7829641
US20100016526
12218597
Correspondence name and address
WILLIAM A. HEIDRICH
EQUISTAR CHEMICALS, LP
11530 NORTHLAKE DRIVE
CINCINNATIO, OH 45249
Assignment: 8
Reel/Frame:021645/0203   Pages: 3
Recorded: 10/03/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ETHERTON, BRADLEY P.
Exec Dt:
09/08/2008
2
IMFELD, STEPHEN M.
Exec Dt:
09/08/2008
3
SASTHAV, MOHAN
Exec Dt:
09/18/2008
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER
1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7816478
US20100055432
12231458
Correspondence name and address
JONATHAN L. SCHUCHARDT
LEGAL DEPARTMENT
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PENNSYLVANIA 19073
Assignment: 9
Reel/Frame:022273/0643   Pages: 3
Recorded: 02/13/2009
Attorney Dkt #:88-2198A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMFELD, STEPHEN M.
Exec Dt:
01/21/2009
2
SHERMAN, JR., ROBERT L.
Exec Dt:
01/21/2009
3
LAKE, ANDREW W.
Exec Dt:
02/03/2009
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
ONE HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7816478
US20100055432
12231458
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 10
Reel/Frame:022300/0770   Pages: 4
Recorded: 02/24/2009
Attorney Dkt #:88-2198A
Conveyance: THIS IS A CORRECTION TO THE ORIGINAL ASSIGNMENT: RECORDATION DATE: 02/13/2009 REEL/FRAME: 022273/0643 TO CORRECT THE SERIAL NO. AND FILING DATE
Assignors
1
IMFELD, STEPHEN M.
Exec Dt:
01/21/2009
2
SHERMAN, JR., ROBERT L.
Exec Dt:
01/21/2009
3
LAKE, ANDREW W.
Exec Dt:
02/03/2009
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
ONE HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7632900
NONE
12316949
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 11
Reel/Frame:023531/0966   Pages: 3
Recorded: 11/16/2009
Attorney Dkt #:88-2213A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HALEY, JEFFREY C.
Exec Dt:
09/29/2009
2
MAVRIDIS, HARILAOS
Exec Dt:
09/29/2009
3
HUDSON, DENNIS M.
Exec Dt:
09/24/2009
4
NAGARAJAN, GANESH
Exec Dt:
09/19/2009
5
IMFELD, STEPHEN M.
Exec Dt:
09/29/2009
6
PELLEGATTI, GIAMPAOLO
Exec Dt:
08/30/2009
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
ONE HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110045265
12583547
Correspondence name and address
SHAO-HUA GUO
LEGAL DEPARTMENT
LYOMDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PENNSYLVANIA 19073
Assignment: 12
Reel/Frame:024801/0870   Pages: 3
Recorded: 07/28/2010
Attorney Dkt #:88-2236A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARAF, ANIL W.
Exec Dt:
07/28/2010
2
IMFELD, STEPHEN M.
Exec Dt:
07/28/2010
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER
1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8637607
US20120028017
12804745
Correspondence name and address
LYONDELLBASELL INDUSTRIES
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 13
Reel/Frame:045410/0026   Pages: 5
Recorded: 04/02/2018
Attorney Dkt #:HC6990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOTROS, MAGED G.
Exec Dt:
01/20/2017
2
BROWN, ALLEN L.
Exec Dt:
01/20/2017
3
IMFELD, STEPHEN M.
Exec Dt:
01/20/2017
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET, SUITE 700
LYONDELLBASELL TOWER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10633466
US20180230250
15890647
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
IP LEGAL DEPT
HOUSTON, TX 77010
Assignment: 14
Reel/Frame:047399/0213   Pages: 3
Recorded: 11/01/2018
Attorney Dkt #:HC7080
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMFELD, STEPHEN M.
Exec Dt:
11/01/2018
2
BREESE, D. RYAN
Exec Dt:
11/01/2018
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
LYONDELLBASELL TOWER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10604610
US20180215907
15880326
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
IP LEGAL DEPT
HOUSTON, TX 77010
Assignment: 15
Reel/Frame:047417/0175   Pages: 3
Recorded: 11/05/2018
Attorney Dkt #:HC7080
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMFELD, STEPHEN M.
Exec Dt:
11/01/2018
2
BREESE, D. RYAN
Exec Dt:
11/01/2018
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
LYONDELLBASELL TOWER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10604610
US20180215907
15880326
Correspondence name and address
LYONDELLBASELL
1221 MCKINNEY STREET, SUITE 700
IP LEGAL DEPT
HOUSTON, TX 77010

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