IP Library Assignment 037290/0948
Patent Assignment
Reel/Frame 037290/0948

Assignment of Assignor's Interest

Recorded: 2015-12-15 Pages: 4
Assignors
SONG, DAE SUNG
Executed: 2015-12-08
PARK, SUNG BUM
Executed: 2015-12-08
SHIN, WOONG CHUL
Executed: 2015-12-08
Assignees
SK INNOVATION CO., LTD.
(SEORIN-DONG, SK BLDG.) 26, JONGRO, JONGRO-GU, SEOUL 110-110, KOREA, REPUBLIC OF
SK GLOBAL CHEMICAL CO., LTD.
(SEORIN-DONG) 26, JONGRO, JONGRO-GU, SEOUL 110-110, KOREA, REPUBLIC OF
Covered Property (1)
Method of Recovering 1,3-Butadiene and Methylethylketone from Dehydration Products of 2,3-Butanediol
Application: 14/969,047 →
Publication: US 2016/0251281
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 2, 2022
From: SK GLOBAL CHEMICAL CO., LTD
To: SK GEO CENTRIC CO., LTD.
Reel/Frame 061371/0332 →