IP Library Assignment 050683/0963
Patent Assignment
Reel/Frame 050683/0963

Assignment of Assignor's Interest

Recorded: 2019-10-10 Pages: 3
Assignors
ZHANG, YONGQIANG
Executed: 2018-05-25
SHARMA, RAM B.
Executed: 2018-05-25
Assignee
HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM 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.
Change of Name Oct 27, 2020
From: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
To: HERAEUS EPURIO LLC
Reel/Frame 054224/0834 →
Assignment of Assignor's Interest Sep 5, 2026
From: BREWER SCIENCE OHIO, LLC
To: BREWER SCIENCE, INC.
Reel/Frame 075919/0418 →