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Patent Assignment Assignor Details
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Assignor Name : STEPHAN, DOUGLAS W.
Total Assignments: 9
Assignment: 1
Reel/Frame:007868/0622   Pages: 2
Recorded: 03/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEPHAN, DOUGLAS W.
Exec Dt:
02/15/1996
Assignee
1
WINDSOR, UNIVERSITY OF
401 SUNSET AVE.
WINDSOR, ONTARIO, CANADA N9B 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5726335
NONE
08571294
Correspondence name and address
RATNER & PRESTIA
PAUL F. PRESTIA
500 N. GULPH RD., P.O. BOX 980
VALLEY FORGE, PA 19482
Assignment: 2
Reel/Frame:008866/0435   Pages: 3
Recorded: 10/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHAN, DOUGLAS W.
Exec Dt:
10/25/1997
2
STEWART, JEFF C.
Exec Dt:
10/25/1997
3
HARRISON, DARYLL G.
Exec Dt:
10/21/1997
Assignee
1
NOVA CHEMICALS (INTERNATIONAL) S.A.
ROUTE DE LA GLANE, P.O. BOX 76
CH-1752 VILLARS-SUR-GLANE 1, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5965677
NONE
08959589
Correspondence name and address
KENNETH H. JOHNSON
P.O. BOX 630708
HOUSTON, TX 77263
Assignment: 3
Reel/Frame:008871/0845   Pages: 5
Recorded: 10/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHAN, DOUGLAS W.
Exec Dt:
10/25/1997
2
STEWART, JEFF C.
Exec Dt:
10/25/1997
3
BROWN, STEPHEN JOHN
Exec Dt:
10/28/1997
4
SWABEY, JOHN WILLIAM
Exec Dt:
10/28/1997
5
WANG, QINYAN
Exec Dt:
10/28/1997
Assignee
1
NOVA CHEMICALS (INTERNATIONAL) S.A.
ROUTE DE LA GLANE, P.O. BOX 76
CH-1752 VILLARS-SUR-GLANE 1, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6063879
NONE
08960489
Correspondence name and address
KENNETH H. JOHNSON
P.O. BOX 630708
HOUSTON, TEXAS 77263
Assignment: 4
Reel/Frame:010414/0514   Pages: 2
Recorded: 11/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEPHAN, DOUGLAS W.
Exec Dt:
02/10/1999
Assignee
1
NOVA CHEMICALS (INTERNATIONAL) S.A.
P.O. BOX 76
ROUTE DE LA GLANE 107
CH-1752 VILLARS-SUR-GLANE 1, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6239061
NONE
09448098
Correspondence name and address
KENNETH H. JOHNSON
P.O. BOX 630708
HOUSTON, TEXAS 77263
Assignment: 5
Reel/Frame:011066/0942   Pages: 4
Recorded: 09/06/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPENCE, RUPERT EDWARD VON HAKEN
Exec Dt:
08/26/1999
2
BROWN, STEPHEN JOHN
Exec Dt:
08/26/1999
3
WURZ, RYAN PAUL
Exec Dt:
04/29/1999
4
JEREMIC, DUSAN
Exec Dt:
09/08/1999
5
STEPHAN, DOUGLAS W.
Exec Dt:
08/24/1999
Assignee
1
NOVA CHEMICALS (INTERNATIONAL) S.A.
P.O. BOX 76
ROUTE DE LA GLANE 107
CH-1752 VILLARS-SUR-GLANE 1, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6440890
NONE
09656126
Correspondence name and address
KENNETH H. JOHNSON
P.O. BOX 630708
HOUSTON, TEXAS 77263
Assignment: 6
Reel/Frame:022687/0979   Pages: 9
Recorded: 05/15/2009
Attorney Dkt #:SDO-10002/04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHAN, DOUGLAS W.
Exec Dt:
02/05/2009
2
CHASE, PRESTON A.
Exec Dt:
02/05/2009
3
WELCH, GREGORY C.
Exec Dt:
03/11/2009
Assignee
1
STEPHAN CONSULTING CORPORATION
47 ST. CLAIR AVENUE W.
SUITE 302
TORONTO, ONTARIO, CANADA M4V 3A5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8299284
US20100048949
12514901
Correspondence name and address
AVERY N. GOLDSTEIN, PH.D.
P.O. BOX 7021
TROY, MI 48007-7021
Assignment: 7
Reel/Frame:031343/0756   Pages: 11
Recorded: 10/04/2013
Attorney Dkt #:24223.10
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHAN, DOUGLAS W.
Exec Dt:
02/05/2009
2
CHASE, PRESTON A.
Exec Dt:
02/05/2009
3
WELCH, GREGORY C.
Exec Dt:
03/11/2009
4
MCCAHILL, JENNY S.J.
Exec Dt:
09/11/2013
Assignee
1
STEPHAN CONSULTING CORPORATION
47 ST. CLAIR AVENUE W.
SUITE 302
ONTARIO, CANADA M4V 3A5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8642812
US20130018207
13618790
Correspondence name and address
PATENT DOCKET ADMINISTRATOR
LOWENSTEIN SANDLER LLP
65 LIVINGSTON AVENUE
ROSELAND, NJ 07068
Assignment: 8
Reel/Frame:032635/0691   Pages: 4
Recorded: 04/09/2014
Attorney Dkt #:12POLY0050-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AL-SHAMMARI, HAIF
Exec Dt:
04/06/2014
2
MORTON, JASON G.
Exec Dt:
04/02/2014
3
STEPHAN, DOUGLAS W.
Exec Dt:
03/25/2014
Assignee
1
SABIC INNOVATIVE PLASTICS IP B.V.
PLASTICSLAAN 1
BERGEN OP ZOOM, NETHERLANDS 4612 PX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9156929
US20140275455
14205530
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 9
Reel/Frame:056656/0957   Pages: 8
Recorded: 06/24/2021
Attorney Dkt #:5600234.00272
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DASTGIR, SARIM
Exec Dt:
04/10/2021
2
FERRETTI, FRANCESCO
Exec Dt:
04/11/2021
3
JACKSTELL, RALF
Exec Dt:
04/12/2021
4
BELLER, MATTHIAS
Exec Dt:
04/12/2021
5
STEPHAN, DOUGLAS W.
Exec Dt:
04/09/2021
6
FAN, LOUIE
Exec Dt:
04/09/2021
Assignee
1
QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENT
P.O. BOX 5825
DOHA, QATAR
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11312677
US20210292266
16621555
Correspondence name and address
K&L GATES LLP
PO BOX 1135
CHICAGO, IL 60690

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