Patent Assignment
Reel/Frame 026598/0963
Assignment of Assignor's Interest
Recorded: 2011-07-15
Pages: 5
Assignor
SK INNOVATION CO., LTD.
Executed: 2011-05-13
Assignee
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGRO GU, SEOUL 110-110, KOREA, REPUBLIC OF
Covered Properties
(8)
Recovery of Oxidation Catalysts Used for the Production of Trimellitic Acid
Patent:
5,840,643 →
Application:
08/577,310 →
Method for Controlling and Optimizing Xylene Isomer Separation and Isomerization Process Using Near Infrared Analyzer System and Apparatus for Carrying Out Same
Patent:
6,162,644 →
Application:
09/268,804 →
Catalyst for Xylene Isomerization and Process for Preparing the Same
Ethylene Tetramerization Catalyst Systems and Method for Preparing 1-Octene Using the Same
Zinc Ferrite Catalysts, Method of Preparing Thereof and Method of Preparing 1,3-Butadiene Using Thereof
A METHOD OF PREPARING MULTICOMPONENT BISMUTH MOLYBDATE CATALYSTS WITH CONTROLLING pH AND A METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF
Ethylene Oligomerization Catalyst Systems Having Enhanced Selectivity
Method of Preparing Multicomponent Bismuth Molybdate Catalysts Comprising Four Metal Components and Method of Preparing 1,3-Butadiene Using Said Catalysts
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Dec 23, 2005
From: YUKONG LIMITED
To: SK CORPORATION
Reel/Frame 017400/0240 →
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
May 6, 2009
From: OH, SEUNG HOON; LEE, SANG IL; SEONG, KYEONG HAK; LEE, JONG HYUNG
To: SK ENERGY CO., LTD.
Reel/Frame 022674/0624 →
Assignment of Assignor's Interest
Oct 27, 2009
From: CHUNG, YOUNG MIN; KIM, TAE JIN; KIM, YONG SEUNG; KIM, HEE SOO
To: SK ENERGY CO., LTD.
Reel/Frame 023453/0952 →
Assignment of Assignor's Interest
Dec 1, 2009
From: CHUNG, YOUNG MIN; LEE, SEONG JUN; KIM, TAE JIN; OH, SEUNG HOON
To: SK ENERGY CO., LTD.
Reel/Frame 023625/0516 →
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 →
Change of Name
Sep 2, 2022
From: SK GLOBAL CHEMICAL CO., LTD
To: SK GEO CENTRIC CO., LTD.
Reel/Frame 061371/0332 →
Change of Address
Sep 2, 2022
From: SK GLOBAL CHEMICAL CO., LTD
To: SK GLOBAL CHEMICAL CO., LTD
Reel/Frame 061371/0328 →
Assignment of Assignor's Interest
Jun 13, 2024
From: SK INNOVATION CO., LTD.; SK GEO CENTRIC CO., LTD.
To: IDEAS CORPORATION
Reel/Frame 067718/0956 →