IP Library Assignment 054224/0834
Patent Assignment
Reel/Frame 054224/0834

Change of Name

Recorded: 2020-10-27 Pages: 3
Assignor
Assignee
HERAEUS EPURIO LLC
970 INDUSTRIAL PARK DRIVE, VANDALIA, OHIO, 45377
Covered Property (1)
Cyclic Sulfonate Compounds as Photoacid Generators in Resist Applications
Application: 16/495,719 →
Publication: US 2020/0017441
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 10, 2019
From: ZHANG, YONGQIANG; SHARMA, RAM B.
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 050683/0963 →
Assignment of Assignor's Interest Sep 5, 2026
From: BREWER SCIENCE OHIO, LLC
To: BREWER SCIENCE, INC.
Reel/Frame 075919/0418 →