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Patent Assignment Assignor Details
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Assignor Name : PIIRONEN, MARJATTA
Total Assignments: 17
Assignment: 1
Reel/Frame:029793/0986   Pages: 10
Recorded: 02/12/2013
Attorney Dkt #:0365-0861PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JANSSON, KAJ
Exec Dt:
01/24/2013
2
JOENSUU, IIRIS
Exec Dt:
01/29/2013
3
PIIRONEN, MARJATTA
Exec Dt:
01/29/2013
4
SIRVIO, JUKKA-PEKKA
Exec Dt:
02/04/2013
5
YRJANAINEN, TAPIO
Exec Dt:
01/25/2013
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND FI-00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130153510
13810839
Correspondence name and address
BIRCH, STEWART KOLASCH & BIRCH, LLP.
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 2
Reel/Frame:030125/0948   Pages: 8
Recorded: 04/01/2013
Attorney Dkt #:0365-0858PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOENSUU, IIRIS
Exec Dt:
01/29/2013
2
PIIRONEN, MARJATTA
Exec Dt:
01/29/2013
3
SAARI, EIJA
Exec Dt:
01/29/2013
4
SIRVIO, JUKKA-PEKKA
Exec Dt:
02/04/2013
5
TUOMIVAARA, SEPPO
Exec Dt:
01/28/2013
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND FI-00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130220922
13811072
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P. O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 3
Reel/Frame:032034/0450   Pages: 3
Recorded: 01/24/2014
Attorney Dkt #:KEMI 11 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOENSUU, IIRIS
Exec Dt:
01/08/2014
2
PIIRONEN, MARJATTA
Exec Dt:
01/09/2014
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9304120
US20150147814
14088403
Correspondence name and address
SEPPO LAINE OY JOSHUA P. WERT
ITAMERENKATU 3B
HELSINKI, 00180 FINLAND
Assignment: 4
Reel/Frame:033726/0360   Pages: 8
Recorded: 09/12/2014
Attorney Dkt #:KEMI 4 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ILMOLA, PEKKA
Exec Dt:
08/13/2014
2
JANSSON, KAJ
Exec Dt:
08/14/2014
3
JOENSUU, IIRIS
Exec Dt:
08/20/2014
4
PIIRONEN, MARJATTA
Exec Dt:
08/11/2014
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9970919
US20140343872
14362135
Correspondence name and address
SEPPO LAINE OY JOSHUA P. WERT
ITAMERENKATU 3B
HELSINKI, FI00180 FINLAND
Assignment: 5
Reel/Frame:035001/0184   Pages: 8
Recorded: 02/23/2015
Attorney Dkt #:KEMI 8 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VÄHÄSALO, LARI
Exec Dt:
11/24/2014
2
SAARI, EIJA
Exec Dt:
11/17/2014
3
JOENSUU, IIRIS
Exec Dt:
11/13/2014
4
PIIRONEN, MARJATTA
Exec Dt:
11/13/2014
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10139330
US20150114094
14403579
Correspondence name and address
SEPPO LAINE OY JOSHUA P. WERT
ITAMERENKATU 3B
HELSINKI, 00180 FINLAND
Assignment: 6
Reel/Frame:040005/0282   Pages: 5
Recorded: 09/13/2016
Attorney Dkt #:KEMI 10 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VÄHÄSALO, LARI
Exec Dt:
09/01/2016
2
JOENSUU, IIRIS
Exec Dt:
08/18/2016
3
PIIRONEN, MARJATTA
Exec Dt:
08/18/2016
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9989476
US20160305890
15038483
Correspondence name and address
SEPPO LAINE OY
ITÄMERENKATU 3 A
HELSINKI, 00180 FINLAND
Assignment: 7
Reel/Frame:051784/0001   Pages: 4
Recorded: 02/11/2020
Attorney Dkt #:1034456-000398
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIIRONEN, MARJATTA
Exec Dt:
06/15/2018
2
JOENSUU, IIRIS
Exec Dt:
06/15/2018
3
HESAMPOUR, MEHRDAD
Exec Dt:
06/14/2018
4
EKMAN, JAAKKO
Exec Dt:
06/14/2018
Assignee
1
KEMIRA OYJ
PORKKALANKATU 3
HELSINKI, FINLAND FI-00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11046590
US20190002304
16065515
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY, PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:049613/0117   Pages: 3
Recorded: 06/27/2019
Attorney Dkt #:1034456-000406
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIIRONEN, MARJATTA
Exec Dt:
10/02/2018
2
JOENSUU, IIRIS
Exec Dt:
10/02/2018
3
HESAMPOUR, MEHRDAD
Exec Dt:
10/02/2018
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND FI-00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10988392
US20200223719
16088749
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY, PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:047618/0098   Pages: 3
Recorded: 11/29/2018
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VÄHÄSALO, LARI
Exec Dt:
10/15/2018
2
PIIRONEN, MARJATTA
Exec Dt:
10/22/2018
3
JOENSUU, IIRIS
Exec Dt:
10/22/2018
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200278293
16089841
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY, PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:049052/0273   Pages: 6
Recorded: 05/01/2019
Attorney Dkt #:1034456-000426
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HESAMPOUR, MEHRDAD
Exec Dt:
04/10/2019
2
ABINET, RODERICK
Exec Dt:
04/09/2019
3
PIIRONEN, MARJATTA
Exec Dt:
04/10/2019
4
KORTE, EIJA
Exec Dt:
04/10/2019
5
JOENSUU, IIRIS
Exec Dt:
04/10/2019
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11866356
US20200048126
16339920
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY, PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:067143/0832   Pages: 9
Recorded: 04/18/2024
Attorney Dkt #:32363US-WBC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HESAMPOUR, MEHRDAD
Exec Dt:
04/10/2019
2
ABINET, RODERICK
Exec Dt:
04/09/2019
3
PIIRONEN, MARJATTA
Exec Dt:
04/10/2019
4
KORTE, EIJA
Exec Dt:
04/10/2019
5
JOENSUU, IIRIS
Exec Dt:
04/10/2019
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240092668
18527492
Correspondence name and address
MS. HANNA HEIRAMO-VANHALA
KAIVOKATU 10D
HELSINKI, 00100 FINLAND
Assignment: 12
Reel/Frame:051979/0853   Pages: 6
Recorded: 03/02/2020
Attorney Dkt #:1034456-000437
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIIRONEN, MARJATTA
Exec Dt:
01/23/2020
2
JOENSUU, IIRIS
Exec Dt:
01/23/2020
3
VÄHÄSALO, LARI
Exec Dt:
02/12/2020
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND FI-00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11692312
US20210156092
16627642
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY, PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:063679/0613   Pages: 5
Recorded: 05/18/2023
Attorney Dkt #:0088771-000057
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIIRONEN, MARJATTA
Exec Dt:
01/23/2020
2
JOENSUU, IIRIS
Exec Dt:
01/23/2020
3
VÄHÄSALO, LARI
Exec Dt:
02/12/2020
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND FI-00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230287629
18319521
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
1737 KING STREET, SUITE 500
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:053274/0429   Pages: 5
Recorded: 07/22/2020
Attorney Dkt #:PI100800
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOLARI, MARKO
Exec Dt:
06/01/2020
2
PIIRONEN, MARJATTA
Exec Dt:
06/16/2020
3
JOENSUU, IIRIS
Exec Dt:
06/18/2020
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11859347
US20200299903
16770627
Correspondence name and address
BERGGREN LLP
ONE GATEWAY CENTER
SUITE 2600
NEWARK, NJ 07102
Assignment: 15
Reel/Frame:056789/0384   Pages: 10
Recorded: 07/08/2021
Attorney Dkt #:1034456-000454
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIIRONEN, MARJATTA
Exec Dt:
06/15/2021
2
HALTTUNEN, SAKARI
Exec Dt:
06/23/2021
3
JOENSUU, IIRIS
Exec Dt:
06/14/2021
4
MÄKI, ANNE
Exec Dt:
06/30/2021
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220009807
17293113
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
1737 KING STREET
# 500
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:057092/0292   Pages: 10
Recorded: 08/05/2021
Attorney Dkt #:1034456-000456
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOENSUU, IIRIS
Exec Dt:
06/16/2021
2
PIIRONEN, MARJATTA
Exec Dt:
06/16/2021
3
BERGERON, ANDY
Exec Dt:
06/16/2021
4
BJERKETVEDT, TRAVIS
Exec Dt:
06/28/2021
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220146396
17418510
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
1737 KING STREET, SUITE 500
ALEXANDRIA, VA 22314-2727
Assignment: 17
Reel/Frame:059143/0378   Pages: 5
Recorded: 02/16/2022
Attorney Dkt #:1034456-000459
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOENSUU, IIRIS
Exec Dt:
02/01/2022
2
PIIRONEN, MARJATTA
Exec Dt:
02/03/2022
Assignee
1
KEMIRA OYJ
ENERGIAKATU 4
HELSINKI, FINLAND 00180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220326685
17621086
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY P.C.
1737 KING STREET, SUITE 500
ALEXANDRIA, VA 22314-2727

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