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Patent Assignment Assignor Details
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Assignor Name : VISWANATHAN, KRISHNAN
Total Assignments: 14
Assignment: 1
Reel/Frame:003988/0762   Pages: 1
Recorded: 02/26/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHULZ, ARTHUR C.
Exec Dt:
02/24/1982
2
COOK, EDWARD H. JR
Exec Dt:
02/24/1982
3
VISWANATHAN, KRISHNAN
Exec Dt:
02/24/1982
Assignee
1
HOOKER CHEMICALSL & PLASTICS CORP.
A CORP. OF N.Y.
NIAGARA FALLS, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4366037
NONE
06352837
Correspondence name and address
JAMES F. TAO
DIRECTOR, PATENTS & LICENSING
HOOKER CHEMICALS & PLASTICS CORP.
P. O. BOX 189
NIAGARA FALLS, NY 14302
Assignment: 2
Reel/Frame:012758/0572   Pages: 3
Recorded: 03/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VISWANATHAN, KRISHNAN
Exec Dt:
12/31/2001
Assignee
1
EQUISTAR CHEMICALS, L.P.
ONE HOUSTON CENTER, 1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030032845
10038975
Correspondence name and address
LYONDELL CHEMICAL COMPANY
DENNIS M. KOZAK
LEGAL DEPARTMENT
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 3
Reel/Frame:013978/0393   Pages: 3
Recorded: 04/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VISWANATHAN, KRISHNAN
Exec Dt:
04/14/2003
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
ONE HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6727389
NONE
10417287
Correspondence name and address
LYONDELL CHEMICAL COMPANY
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 4
Reel/Frame:014618/0094   Pages: 3
Recorded: 10/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VISWANATHAN, KRISHNAN
Exec Dt:
10/14/2003
Assignee
1
EQUISTAR CHEMICALS, LP
ONE HOUSTON CENTER
1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6927310
US20050085673
10686456
Correspondence name and address
LYONDEL CHEMICAL COMPANY
DENNIS M. KOZAK
3801 WEST CHESTER PIKE
LEGAL DEPARTMENT
NEWTOWN SQUARE, PA 19073
Assignment: 5
Reel/Frame:015465/0043   Pages: 3
Recorded: 06/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VISWANATHAN, KRISHNAN
Exec Dt:
06/07/2004
2
WILLIAMS, SOLON B.
Exec Dt:
06/09/2004
Assignee
1
EQUISTAR CHEMICALS, LP
1221 MCKINNEY STREET
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050277778
10865257
Correspondence name and address
LYONDELL CHEMICAL COMPANY
DENNIS M. KOZAK
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Assignment: 6
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: 7
Reel/Frame:024822/0361   Pages: 8
Recorded: 08/11/2010
Attorney Dkt #:2658-02509
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
08/02/2010
2
HASSAN, AZIZ
Exec Dt:
08/02/2010
3
BORSINGER, GREGORY G.
Exec Dt:
02/15/2010
4
VISWANATHAN, KRISHNAN
Exec Dt:
02/16/2010
5
ANTHONY, RAYFORD G.
Exec Dt:
02/22/2010
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8088953
US20100168477
12628795
Correspondence name and address
TIMOTHY S. WESTBY
CONLEY ROSE, P.C.
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 8
Reel/Frame:032196/0983   Pages: 7
Recorded: 02/11/2014
Attorney Dkt #:011788-7609
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
02/11/2010
2
HASSAN, AZIZ
Exec Dt:
02/11/2010
3
VISWANATHAN, KRISHNAN
Exec Dt:
02/16/2010
4
BORSINGER, GREGORY G.
Exec Dt:
02/15/2010
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9222033
US20140161683
14177908
Correspondence name and address
TIMOTHY S. WESTBY
P.O. BOX 4078
PORTER HEDGES, LLP
HOUSTON, TX 77521
Assignment: 9
Reel/Frame:024381/0991   Pages: 8
Recorded: 05/13/2010
Attorney Dkt #:2658-03410
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
07/30/2008
2
HASSAN, AZIZ
Exec Dt:
07/30/2008
3
ANTHONY, RAYFORD G.
Exec Dt:
04/12/2010
4
VISWANATHAN, KRISHNAN
Exec Dt:
04/15/2010
5
BORSINGER, GREGORY G.
Exec Dt:
04/24/2010
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8304584
US20100222615
12723221
Correspondence name and address
TIMOTHY S. WESTBY
CONLEY ROSE, P.C.
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 10
Reel/Frame:029055/0959   Pages: 8
Recorded: 10/01/2012
Attorney Dkt #:011788-3424
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
07/30/2008
2
HASSAN, AZIZ
Exec Dt:
07/30/2008
3
ANTHONY, RAYFORD G.
Exec Dt:
04/12/2010
4
VISWANATHAN, KRISHNAN
Exec Dt:
04/15/2010
5
BORSINGER, GREGORY G.
Exec Dt:
04/24/2010
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8431752
US20130030223
13631828
Correspondence name and address
TIMOTHY S. WESTBY
P.O. BOX 4078
PORTER HEDGES, LLP
HOUSTON, TX 77521
Assignment: 11
Reel/Frame:029056/0009   Pages: 8
Recorded: 10/01/2012
Attorney Dkt #:011788-3425
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
07/30/2008
2
HASSAN, AZIZ
Exec Dt:
07/30/2008
3
ANTHONY, RAYFORD G.
Exec Dt:
04/12/2010
4
VISWANATHAN, KRISHNAN
Exec Dt:
04/15/2010
5
BORSINGER, GREGORY G.
Exec Dt:
04/24/2010
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8480961
US20130028803
13631832
Correspondence name and address
TIMOTHY S. WESTBY
P.O. BOX 4078
PORTER HEDGES, LLP
HOUSTON, TX 77521
Assignment: 12
Reel/Frame:025225/0822   Pages: 8
Recorded: 11/01/2010
Attorney Dkt #:2658-07801
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
05/12/2010
2
HASSAN, AZIZ
Exec Dt:
05/12/2010
3
VISWANATHAN, KRISHNAN
Exec Dt:
05/19/2010
4
BORSINGER, GREGORY G.
Exec Dt:
04/24/2010
5
ANTHONY, RAYFORD G.
Exec Dt:
05/12/2010
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110266198
12914781
Correspondence name and address
TIMOTHY S. WESTBY
CONLEY ROSE, P.C.
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 13
Reel/Frame:027957/0310   Pages: 8
Recorded: 03/29/2012
Attorney Dkt #:011788-7804
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
05/12/2010
2
HASSAN, AZIZ
Exec Dt:
05/12/2010
3
VISWANATHAN, KRISHNAN
Exec Dt:
05/19/2010
4
BORSINGER, GREGORY G.
Exec Dt:
04/24/2010
5
ANTHONY, RAYFORD G.
Exec Dt:
05/12/2010
Assignee
1
H R D CORPORATION
P.O. BOX 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120241390
13434288
Correspondence name and address
TIMOTHY S. WESTBY PORTER HEDGES LLP
P. O. BOX 4078
HOUSTON, TX 77210-4078
Assignment: 14
Reel/Frame:026490/0167   Pages: 8
Recorded: 06/23/2011
Attorney Dkt #:11788-7901
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, ABBAS
Exec Dt:
05/19/2011
2
VISWANATHAN, KRISHNAN
Exec Dt:
06/07/2011
3
ANTHONY, RAYFORD G.
Exec Dt:
06/07/2011
4
BORSINGER, GREGORY
Exec Dt:
05/26/2011
5
HASSAN, AZIZ
Exec Dt:
05/19/2011
Assignee
1
H R D CORPORATION
P.O. DRAWER 450267
HOUSTON, TEXAS 77245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8759570
US20110269989
13038906
Correspondence name and address
TIMOTHY S. WESTBY
P.O. BOX 4078
PORTER HEDGES LLP - IP GROUP
HOUSTON, TX 77210-4078

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