Patent Assignment
Reel/Frame 026599/0289
Assignment of Assignor's Interest
Recorded: 2011-07-15
Pages: 3
Assignor
SK INNOVATION CO., LTD.
Executed: 2011-05-13
Assignee
SK ENERGY CO., LTD.
99, SEORIN-DONG, JONGRO-GU, SEOUL 110-110, KOREA, REPUBLIC OF
Covered Properties
(4)
Method for Manufacturing Cleaner Fuels
Patent:
6,248,230 →
Application:
09/339,639 →
Cleaning composition for removing fouling and a method for using the same
Patent:
6,187,109 →
Application:
09/610,711 →
Chemical Cleaning Process for Removing Fouling
Patent:
6,485,578 →
Application:
09/610,730 →
Thermowell Compound Apparatus of High Shell for Residue Hydrogen Desulfurization
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 30, 1999
From: MIN, WHA-SIK; CHOI, KYUNG-II; KHANG, SIN-YOUNG; MIN, DONG-SOON
To: SK CORPORATION
Reel/Frame 010200/0004 →
Assignment of Assignor's Interest
Jul 6, 2000
From: PARK, SAM-RYONG; AHN, YOUNG-KYOUNG; OH, SUNG-GU; LEE, KI-HYUN
To: SK CORPORATION
Reel/Frame 010981/0428 →
Assignment of Assignor's Interest
Jul 6, 2000
From: PARK, SAM-RYONG; AHN, YOUNG-KYOUNG; OH, SUNG-GU; PARK, GI-WON
To: SK CORPORATION, A KOREAN CORP.
Reel/Frame 010981/0363 →
Assignment of Assignor's Interest
Dec 18, 2007
From: SK CORPORATION
To: SK ENERGY CO., LTD.
Reel/Frame 020254/0940 →
Assignment of Assignor's Interest
Jan 18, 2010
From: YOON, HYUNG NO; LEE, SANG MO; KIM, JIN GYU; HUH, MOCK
To: SK ENERGY CO., LTD.
Reel/Frame 023829/0848 →
Change of Name
Jul 14, 2011
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 026619/0330 →
Corrective Assignment to Correct the Incorrect Patent Number 7448700 and Replace It with 7488700 Previously Recorded on Reel 026619 Frame 0330. Assignor(S) Hereby Confirms the Change of Name.
Apr 11, 2016
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 038406/0201 →