IP Library Assignment 064477/0154
Patent Assignment
Reel/Frame 064477/0154

Nunc Pro Tunc Assignment

Recorded: 2023-08-03 Pages: 3
Assignor
MITSUBISHI CHEMICAL CORPORATION
Executed: 2023-07-25
Assignee
SHINRYO CORPORATION
3-9-22, KUROSAKI, YAHATANISHI-KU, KITAKYUSHU-CITY, FUKUOKA, 806-0021, JAPAN
Covered Properties (3)
Biphenyltetracarboxylic Acid Dianhydride and Process for Producing the Same, and Polyimide Formed from the Same and Process for Producing the Same
Patent: 7,842,824 →
Application: 11/570,812 →
Publication: US 2008/0063849
Biphenyltetracarboxylic Acid Dianhydride and Process for Producing the Same, and Polyimide Formed from the Same and Process for Producing the Same
Patent: 8,299,273 →
Application: 12/855,597 →
Publication: US 2010/0305299
Biphenyltetracarboxylic Acid Dianhydride and Process for Producing the Same, and Polyimide Formed from the Same and Process for Producing the Same
Patent: 8,492,565 →
Application: 13/617,457 →
Publication: US 2013/0012682
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Merger Sep 4, 2017
From: MITSUBISHI CHEMICAL CORPORATION
To: MITSUBISHI RAYON CO., LTD.
Reel/Frame 043750/0207 →
Change of Name Sep 5, 2017
From: MITSUBISHI RAYON CO., LTD.
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 043750/0834 →