Patent Assignment
Reel/Frame 075919/0418
Assignment of Assignor's Interest
Recorded: 2026-09-05
Pages: 9
Assignor
BREWER SCIENCE OHIO, LLC
Executed: 2026-09-03
Assignee
BREWER SCIENCE, INC.
2401 BREWER DRIVE, ROLLA, MISSOURI, 65401
Covered Properties
(5)
Oxathianium Ion-Containing Sulfonic Acid Derivative Compound as Photoacid Generators in Resist Applications
Application:
18/571,593 →
Publication:
US US20240231227A1
Sulfonic Acid Derivative Compounds as Photoacid Generators in Resist Applications
Sulfonic Acid Derivative Compounds as Photoacid Generators in Resist Applications
Sulfonic Acid Derivative Compounds as Photoacid Generators in Resist Applications
Cyclic Sulfonate Compounds as Photoacid Generators in Resist Applications
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 16, 2015
From: ZHANG, YONGQIANG; GREENE, DANIEL; SHARMA, RAM B.
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 035846/0189 →
Assignment of Assignor's Interest
Jun 16, 2015
From: ZHANG, YONGQIANG; SHARMA, RAM B.; STUCK, RACHAEL; GREENE, DANIEL
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 035921/0046 →
Assignment of Assignor's Interest
Nov 3, 2016
From: ZHANG, YONGQIANG; GREENE, DANIEL; SHARMA, RAM B.
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 040214/0583 →
Change of Name
Jun 20, 2019
From: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
To: HERAEUS EPURIO LLC
Reel/Frame 049539/0883 →
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 →
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
Dec 18, 2023
From: SHARMA, RAM B.; ZHANG, YONGQIANG; JEWETT, KYLE; SAKAVUYI, KAUMBA
To: HERAEUS EPURIO LLC
Reel/Frame 065900/0755 →