Patent Assignment
Reel/Frame 049539/0883
Change of Name
Recorded: 2019-06-20
Pages: 3
Assignor
HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Executed: 2019-03-01
Assignee
HERAEUS EPURIO LLC
970 INDUSTRIAL PARK DRIVE, VANDALIA, OHIO, 45377
Covered Properties
(6)
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
Sulfonic Acid Derivative Compounds as Photoacid Generators in Resist Applications
Sulfonic Acid Derivative Compounds as Photoacid Generators in Resist Applications
Application:
62/208,077 →
Cyclic Sulfonate Compounds as Photoacid Generators in Resist Applications
Application:
62/644,288 →
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
Apr 29, 2016
From: ZHANG, YONGQIANG; CAMPO, DARIN; SHARMA, RAM B.; KUNZ, MARTIN
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 038417/0764 →
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 →
Assignment of Assignor's Interest
Jan 23, 2018
From: ZHANG, YONGQIANG; CAMPO, DARIN; SHARMA, RAM B.; KUNZ, MARTIN
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 044701/0059 →
Assignment of Assignor's Interest
Jun 13, 2018
From: ZHANG, YONGQIANG; SHARMA, RAM B.
To: HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Reel/Frame 046077/0320 →
Assignment of Assignor's Interest
Sep 5, 2026
From: BREWER SCIENCE OHIO, LLC
To: BREWER SCIENCE, INC.
Reel/Frame 075919/0418 →