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Assignee Name : PQ SILICAS UK LIMITED
Total Assignments: 12
Assignment: 1
Reel/Frame:029007/0474   Pages: 11
Recorded: 09/19/2012
Attorney Dkt #:006905-000033
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR DOC. DATE FROM 07-02-2008 TO 03-07-2008 PREVIOUSLY RECORDED ON REEL 028969 FRAME 0521. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignor
1
INEOS SILICAS LIMITED
Exec Dt:
03/07/2008
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4 LIVERPOOL ROAD
WARRINGTON
CHESHIRE, UNITED KINGDOM WA5 IAQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8323449
US20090314427
12441633
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
ONE OXFORD CENTRE, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 2
Reel/Frame:021301/0001   Pages: 11
Recorded: 07/28/2008
Attorney Dkt #:23368-1901
Conveyance: ASSIGNMENT OF U.S. PATENTS
Assignor
1
INEOS SILICAS LIMITED
Exec Dt:
06/26/2008
Assignee
1
PQ SILICAS UK LIMITED
BOROUGH FLINT GLASS WORKS, PONTEFRACT ROAD
BARNSLEY, SOUTH YORKSHIRE, UNITED KINGDOM S71 1HJ ENGLAND
Properties
 
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4812436
NONE
07124864
 
4992251
NONE
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5069829
NONE
07495257
 
5215733
NONE
07642568
 
5248799
NONE
07765176
 
5229096
NONE
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5264597
NONE
07899115
 
5326395
NONE
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5374370
NONE
08012807
 
5362466
NONE
08046864
 
5447704
NONE
08158818
 
5512271
NONE
08266849
 
6413493
US20020076374
08288313
 
5512266
NONE
08301409
 
5624652
NONE
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5643624
NONE
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5772979
NONE
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6258768
US20010031715
09011169
 
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NONE
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6165510
NONE
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6448218
US20010009895
09142652
 
6399111
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6753184
NONE
09959121
 
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US20040051081
10466538
 
NONE
US20040062835
10466608
 
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US20050065268
10495482
 
7662363
US20050129628
10499683
 
NONE
US20060135688
10527837
 
NONE
US20060052274
10533314
 
8247237
US20060258016
10549670
 
NONE
US20070292458
10584209
 
7332089
US20040065620
10675138
 
6927063
US20040209372
10841522
 
NONE
US20060008422
11029581
 
NONE
US20050245388
11177403
 
NONE
US20080006377
11568903
Correspondence name and address
MATTHEW HEINTZ, ESQ.
DEBEVOISE & PLIMPTON LLP, 919 THIRD AVE.
NEW YORK, NY 10022
Assignment: 3
Reel/Frame:024921/0466   Pages: 30
Recorded: 09/01/2010
Attorney Dkt #:0068905-000266
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
INEOS SILICAS LIMITED
Exec Dt:
07/02/2008
Assignee
1
PQ SILICAS UK LIMITED
BOROUGH FLINT GLASS WORKS
PONTEFRACT ROAD
BARNSLEY, SOUTH YORKSHIRE, UNITED KINGDOM S71 1HJ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100143725
12524113
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 4
Reel/Frame:025193/0321   Pages: 30
Recorded: 10/26/2010
Attorney Dkt #:0068905-000261
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
INEOS SILICAS LIMITED
Exec Dt:
07/02/2008
Assignee
1
PQ SILICAS UK LIMITED
4 LIVERPOOL ROAD
BANK QUAY
WARRINGTON CHESHIRE, UNITED KINGDOM WA5 1AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9968802
US20090010973
12158234
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:028969/0521   Pages: 10
Recorded: 09/17/2012
Attorney Dkt #:006905-000033
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
INEOS SILICAS LIMITED
Exec Dt:
07/02/2008
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4 LIVERPOOL ROAD
WARRINGTON
CHESHIRE, UNITED KINGDOM WA5 IAQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8323449
US20090314427
12441633
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
ONE OXFORD CENTRE, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 6
Reel/Frame:026470/0167   Pages: 4
Recorded: 06/21/2011
Attorney Dkt #:0068905-000486
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARAYA, ABRAHAM
Exec Dt:
02/03/2010
2
MINIHAN, ALAN REGINALD
Exec Dt:
01/27/2010
3
ROBBINS, PAUL MATTHEW
Exec Dt:
01/27/2010
4
BRODERICK, SONYA THERESA
Exec Dt:
02/08/2010
5
WARING, MICHAEL
Exec Dt:
02/18/2010
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4 LIVERPOOL ROAD
WARRINGTON
CHESHIRE, UNITED KINGDOM WA5 1AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110280927
13130233
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 7
Reel/Frame:033526/0634   Pages: 4
Recorded: 08/13/2014
Attorney Dkt #:0068905-000601
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARAYA, ABRAHAM
Exec Dt:
02/03/2010
2
MINIHAN, ALAN REGINALD
Exec Dt:
01/27/2010
3
ROBBINS, PAUL MATTHEW
Exec Dt:
01/27/2010
4
BRODERICK, SONYA THERESA
Exec Dt:
02/08/2010
5
WARING, MICHAEL
Exec Dt:
02/18/2010
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4
LIVERPOOL ROAD, WARRINGTON
CHESHIRE, UNITED KINGDOM WA51AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10835636
US20150024029
14458630
Correspondence name and address
MICHAEL L. DEVER
ONE OXFORD CENTRE
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:043603/0164   Pages: 4
Recorded: 09/15/2017
Attorney Dkt #:0068905-000676
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARAYA, ABRAHAM
Exec Dt:
02/03/2010
2
MINIHAN, ALAN REGINALD
Exec Dt:
01/27/2010
3
ROBBINS, PAUL MATTHEW
Exec Dt:
01/27/2010
4
BRODERICK, SONYA THERESA
Exec Dt:
02/08/2010
5
WARING, MICHAEL
Exec Dt:
02/18/2010
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4 LIVERPOOL ROAD
WARRINGTON
CHESHIRE, GREAT BRITAIN WA51AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10821203
US20180000985
15705775
Correspondence name and address
MICHAEL L. DEVER
ONE OXFORD CENTRE
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:054871/0747   Pages: 4
Recorded: 01/11/2021
Attorney Dkt #:0068905-000726
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARAYA, ABRAHAM
Exec Dt:
02/03/2010
2
MINIHAN, ALAN REGINALD
Exec Dt:
01/27/2010
3
ROBBINS, PAUL MATTHEW
Exec Dt:
01/27/2010
4
BRODERICK, SONYA THERESA
Exec Dt:
02/08/2010
5
WARING, MICHAEL
Exec Dt:
02/18/2010
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4
LIVERPOOL ROAD, WARRINGTON
CHESHIRE, UNITED KINGDOM WA51AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210023262
17068297
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219
Assignment: 10
Reel/Frame:024621/0592   Pages: 4
Recorded: 07/01/2010
Attorney Dkt #:0068905-000365
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARSDEN, CHRISTINE ELIZABETH
Exec Dt:
06/02/2010
2
PARKER, ROBERT JOSEPH
Exec Dt:
05/20/2010
Assignee
1
PQ SILICAS UK LIMITED
4 LIVERPOOL ROAD
BANK QUAY
WARRINGTON, CHESHIRE, UNITED KINGDOM WA5 1AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8039564
US20100256314
12739516
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 11
Reel/Frame:035660/0097   Pages: 3
Recorded: 05/18/2015
Attorney Dkt #:0068905-000615
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOREA, GEMMA
Exec Dt:
03/02/2014
2
MINIHAN, ALAN REGINALD
Exec Dt:
02/03/2014
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY, 4 LIVERPOOL ROAD
WARRINGTON
CHESHIRE, UNITED KINGDOM WA5 1AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10280331
US20150307735
14443506
Correspondence name and address
MICHAEL L. DEVER
ONE OXFORD CENTRE
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 12
Reel/Frame:040983/0835   Pages: 3
Recorded: 12/15/2016
Attorney Dkt #:0068905-000665
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOREA, GEMMA
Exec Dt:
07/10/2015
2
HEARN, MARK SEAN
Exec Dt:
07/21/2015
Assignee
1
PQ SILICAS UK LIMITED
BANK QUAY
4 LIVERPOOL ROAD, WARRINGTON
CHESHIRE, UNITED KINGDOM WA5 1AQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170137637
15319116
Correspondence name and address
MICHAEL L. DEVER, ESQ.
ONE OXFORD CENTRE
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219

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