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Patent Assignment Assignor Details
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Assignor Name : ZIERER, DIRK
Total Assignments: 13
Assignment: 1
Reel/Frame:008642/0081   Pages: 2
Recorded: 04/01/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
03/24/1997
2
KLEIN, PETER
Exec Dt:
03/24/1997
Assignee
1
HOECHST TREVIRA GMBH & CO. KG
D-65926 FRANKFURT AM MAIN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5741586
NONE
08831527
Correspondence name and address
CONNOLLY AND HUTZ
GERARD M. O'ROURKE
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:010885/0347   Pages: 21
Recorded: 06/26/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
04/11/2000
2
SCHECKENBACH, HELMUT
Exec Dt:
04/11/2000
3
DIEROLF, MICHAEL
Exec Dt:
04/11/2000
Assignee
1
TICONA GMBH
D-65451 KELSTERBACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6369172
NONE
09548066
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
P.O. BOX 2207
WILMINGTON DE 19899
Assignment: 3
Reel/Frame:010885/0336   Pages: 11
Recorded: 06/26/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
04/14/2000
2
BRUCK, MARTIN
Exec Dt:
04/11/2000
3
SCHECKENBACH, HELMUT
Exec Dt:
04/12/2000
Assignee
1
TICONA GMBH
D-65451 KELSTERBACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6262224
NONE
09548065
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
RICHARD M. BECK
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 4
Reel/Frame:013647/0454   Pages: 2
Recorded: 05/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
05/05/2003
2
ZIERER, URSULA
Exec Dt:
04/29/2003
3
KURZ, KLAUS
Exec Dt:
04/24/2003
Assignee
1
TICONA GMBH
D-65451 KELSTERBACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040030094
10399279
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
ASHLEY I. PEZZNER
1220 MARKET STREET
WILMINGTON, DE 19899
Assignment: 5
Reel/Frame:017225/0050   Pages: 4
Recorded: 02/01/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
01/12/2006
2
BERNSTEIN, RAINER
Exec Dt:
01/13/2006
3
SCHWEITZER, JORG
Exec Dt:
01/23/2006
4
KURZ, KLAUS
Exec Dt:
01/13/2006
Assignee
1
TICONA GMBH
PROFESSOR-STAUDINGER-STRASSE
KELSTERBACH, GERMANY 65451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7410696
US20060154060
11328635
Correspondence name and address
ASHLEY I. PEZZNER
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DELAWARE 19899
Assignment: 6
Reel/Frame:017470/0933   Pages: 4
Recorded: 04/11/2006
Attorney Dkt #:05587-00401-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
03/06/2006
2
SCHIEBISCH, JENS
Exec Dt:
03/16/2006
3
KURZ, KLAUS
Exec Dt:
03/08/2006
Assignee
1
TICONA GMBH
PROFESSOR-STAUDINGER-STRASSE
KELSTERBACH, GERMANY 65451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7745548
US20070027300
10570585
Correspondence name and address
ASHLEY I. PEZZNER
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 7
Reel/Frame:017471/0026   Pages: 5
Recorded: 04/11/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
03/08/2006
2
KURZ, KLAUS
Exec Dt:
03/08/2006
3
SCHIEBISCH, JENS
Exec Dt:
03/16/2006
4
MUCK, KARL-FRIEDRICH
Exec Dt:
03/06/2006
5
SCHMALZ, HOLGER
Exec Dt:
03/22/2006
Assignee
1
TICONA GMBH
PROFESSOR-STAUDINGER-STRASSE
KELSTERBACH, GERMANY 65451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7795357
US20060160938
10570643
Correspondence name and address
ASHLEY I. PEZZNER
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DELAWARE 19899
Assignment: 8
Reel/Frame:030177/0645   Pages: 8
Recorded: 04/09/2013
Attorney Dkt #:CICT-168 (2011P0237)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAUSHIK, MUKUL
Exec Dt:
03/19/2013
2
ZIERER, DIRK
Exec Dt:
03/18/2013
3
COLEMAN, JAMES LOUIS
Exec Dt:
03/22/2013
4
PILIS, JEANNE
Exec Dt:
03/22/2013
5
PRICE, KENNETH LEON
Exec Dt:
03/18/2013
Assignee
1
TICONA LLC
8040 DIXIE HIGHWAY
FLORENCE, KENTUCKY 41042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9332802
US20130167404
13721160
Correspondence name and address
DORITY & MANNING, P.A.
PO BOX 1449
GREENVILLE, SC 29602
Assignment: 9
Reel/Frame:033496/0726   Pages: 5
Recorded: 08/08/2014
Attorney Dkt #:CICT-240 (2012P0199 US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAUSHIK, MUKUL
Exec Dt:
09/23/2013
2
ZIERER, DIRK
Exec Dt:
09/23/2013
3
PRICE, KENNETH LEON
Exec Dt:
09/23/2013
Assignee
1
TICONA LLC
8040 DIXIE HIGHWAY
FLORENCE, KENTUCKY 41042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140079898
14030736
Correspondence name and address
DORITY & MANNING, P.A. AND TICONA LLC
POST OFFICE BOX 1449
GREENVILLE, SC 29602
Assignment: 10
Reel/Frame:037985/0385   Pages: 7
Recorded: 03/15/2016
Attorney Dkt #:CICT-211 (2012P0111USNP)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAUSHIK, MUKUL
Exec Dt:
11/04/2014
2
ZIERER, DIRK
Exec Dt:
11/04/2014
3
PRICE, KENNETH LEON
Exec Dt:
11/04/2014
4
COLEMAN, JAMES LOUIS
Exec Dt:
11/07/2014
Assignee
1
TICONA LLC
8040 DIXIE HIGHWAY
FLORENCE, KENTUCKY 41042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9328229
US20130298427
13801394
Correspondence name and address
DORITY & MANNING, P.A.
P. O. BOX 1449
GREENVILLE, SC 29602
Assignment: 11
Reel/Frame:046895/0988   Pages: 4
Recorded: 09/18/2018
Attorney Dkt #:CICTG-170 (2017P0007USNP)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIA, QAMER
Exec Dt:
07/16/2018
2
MARKGRAF, KIRSTEN
Exec Dt:
07/04/2018
3
ZIERER, DIRK
Exec Dt:
07/23/2018
Assignee
1
CELANESE SALES GERMANY GMBH
AM UNISYS-PARK 1
SULZBACH, TAUNUS, GERMANY 65843
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11225559
US20180258241
15915350
Correspondence name and address
DORITY & MANNING, P.A. AND TICONA LLC
POST OFFICE BOX 1449
GREENVILLE, SC 29602
Assignment: 12
Reel/Frame:060098/0750   Pages: 5
Recorded: 06/03/2022
Attorney Dkt #:CICTG-188 (2018P0003)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIERER, DIRK
Exec Dt:
01/18/2019
2
NICKOLAY, PATRICK
Exec Dt:
01/18/2019
3
FEUERSTACK, TIM
Exec Dt:
02/06/2019
Assignee
1
CELANESE SALES GERMANY GMBH
AM UNISYS-PARK 1
SULZBACH, TAUNUS, GERMANY 65843
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11384238
US20190241735
16270780
Correspondence name and address
DORITY & MANNING, P.A. AND TICONA LLC
POST OFFICE BOX 1449
GREENVILLE, SC 29602
Assignment: 13
Reel/Frame:061768/0334   Pages: 4
Recorded: 11/15/2022
Attorney Dkt #:CICTG-200
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIA, QAMER
Exec Dt:
08/19/2021
2
ZIERER, DIRK
Exec Dt:
08/24/2021
3
MARKGRAF, KIRSTEN
Exec Dt:
08/24/2021
4
NICKOLAY, PATRICK
Exec Dt:
08/24/2021
Assignee
1
CELANESE INTERNATIONAL CORPORATION
222 WEST LAS COLINAS BOULEVARD
IRVING, TEXAS 75039
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220033646
17389577
Correspondence name and address
DORITY & MANNING P.A.
PO BOX 1449
GREENVILLE, SC 29602

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