Patent Assignment
Reel/Frame 017918/0048
Assignment of Assignor's Interest
Recorded: 2006-05-18
Pages: 4
Assignors
CHEN, CHIEN CHING
Executed: 2006-05-11
LIU, WEN CHENG
Executed: 2006-05-11
SHIUE, JING-CHIUAN
Executed: 2006-05-11
HUO, TENG YAN
Executed: 2006-05-11
Assignee
EPOCH MATERIAL CO., LTD.
NO. 2, LUKE 8TH RD., LU-CHUH HSIANG, KAOHSIUNG COUNTY, R.O.C., TAIWAN
Covered Property
(1)
Aqueous Cleaning Composition for Semiconductor Copper Processing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
May 10, 2022
From: EPOCH MATERIAL CO., LTD.
To: CMC MATERIALS TAIWAN CO., LTD.
Reel/Frame 060749/0266 →
Change of Name
Jun 22, 2022
From: EPOCH MATERIAL CO., LTD.
To: CMC MATERIALS TAIWAN CO., LTD.
Reel/Frame 060392/0312 →
Assignment of Assignor's Interest
Oct 12, 2023
From: CMC MATERIALS TAIWAN CO., LTD.
To: ENTEGRIS, INC.
Reel/Frame 065203/0964 →