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Patent Assignment Assignor Details
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Assignor Name : HWANG, DA-YOUNG
Total Assignments: 11
Assignment: 1
Reel/Frame:055112/0413   Pages: 6
Recorded: 01/26/2021
Attorney Dkt #:5413SK-51
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, YOO JIN
Exec Dt:
01/06/2021
2
KIM, SUNG-GI
Exec Dt:
01/06/2021
3
HWANG, DA-YOUNG
Exec Dt:
01/06/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210163734
17263247
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 2
Reel/Frame:055941/0374   Pages: 6
Recorded: 04/16/2021
Attorney Dkt #:5413SK-55
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
03/25/2021
2
KIM, SUNG-GI
Exec Dt:
03/25/2021
3
LEE, YOO JIN
Exec Dt:
03/25/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210380770
17286035
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 3
Reel/Frame:056957/0920   Pages: 6
Recorded: 07/23/2021
Attorney Dkt #:5413SK-57
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, YOO JIN
Exec Dt:
05/03/2021
2
HWANG, DA-YOUNG
Exec Dt:
05/03/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11993706
US20220119637
17422683
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 4
Reel/Frame:056958/0084   Pages: 6
Recorded: 07/23/2021
Attorney Dkt #:5413SK-58
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
05/03/2021
2
LEE, YOO JIN
Exec Dt:
05/03/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220119602
17422699
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 5
Reel/Frame:058198/0095   Pages: 6
Recorded: 11/23/2021
Attorney Dkt #:5413SK-60
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
11/08/2021
2
LEE, YOO JIN
Exec Dt:
11/08/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220227922
17613813
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, 80202 UNITED STATES
Assignment: 6
Reel/Frame:058198/0598   Pages: 6
Recorded: 11/23/2021
Attorney Dkt #:5413SK-61
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
11/08/2021
2
LEE, YOO JIN
Exec Dt:
11/08/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220227992
17613859
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 7
Reel/Frame:060610/0060   Pages: 6
Recorded: 07/25/2022
Attorney Dkt #:5413SK-64
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
06/21/2022
2
LEE, YOO JIN
Exec Dt:
06/21/2022
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230101243
17795196
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 8
Reel/Frame:063182/0529   Pages: 6
Recorded: 03/31/2023
Attorney Dkt #:5413SK-69
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
02/14/2023
2
KIM, HA-NEUL
Exec Dt:
02/14/2023
3
LEE, YOO JIN
Exec Dt:
02/14/2023
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240002588
18247458
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 9
Reel/Frame:063262/0001   Pages: 6
Recorded: 04/07/2023
Attorney Dkt #:5413SK-70
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
02/14/2023
2
LEE, YOO JIN
Exec Dt:
02/14/2023
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240002593
18248336
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 10
Reel/Frame:063305/0076   Pages: 7
Recorded: 04/12/2023
Attorney Dkt #:5413SK-71
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
02/16/2023
2
PARK, KWANG-WOO
Exec Dt:
02/15/2023
3
LEE, YOO JIN
Exec Dt:
02/16/2023
4
LEE, JONG-IN
Exec Dt:
02/15/2023
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230399462
18248812
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 11
Reel/Frame:065839/0760   Pages: 6
Recorded: 12/12/2023
Attorney Dkt #:PCC301005SKM/PCT/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HWANG, DA-YOUNG
Exec Dt:
11/21/2023
2
KIM, SANGWOO
Exec Dt:
11/21/2023
3
KIM, HA-NEUL
Exec Dt:
11/21/2023
4
LEE, BOO-YOUN
Exec Dt:
11/21/2023
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU, SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240158568
18569279
Correspondence name and address
IP&T GROUP LLP.
102 MAPLE AVE. E
VIENNA, VA 22180

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