Patent Assignment
Reel/Frame 048918/0927
Merger and Change of Name
Recorded: 2019-04-16
Pages: 13
Assignors
AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
Executed: 2019-01-08
RIDGEFIELD ACQUISITION
Executed: 2019-01-08
Assignee
RIDGEFIELD ACQUISIION
46 PLACE GUILLAUME II, LUXEMBOURG, 1648, LUXEMBOURG
Covered Property
(1)
Chemically Amplified Positive Photoresist Composition and Pattern Forming Method Using Same
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 9, 2019
From: TAKAICHI, TETSUMASA; KAWATO, SHUNJI; SUZUKI, MASATO; AKASHI, KAZUMICHI
To: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
Reel/Frame 048827/0284 →
Merger
Jul 27, 2020
From: RIDGEFIELD ACQUISITION
To: AZ ELECTRONIC MATERIALS S.À R.L.
Reel/Frame 053323/0591 →
Change of Legal Entity
Jul 27, 2020
From: AZ ELECTRONIC MATERIALS S.À R.L.
To: AZ ELECTRONIC MATERIALS GMBH
Reel/Frame 053323/0760 →
Assignment of Assignor's Interest
Jul 27, 2020
From: AZ ELECTRONIC MATERIALS GMBH
To: MERCK PATENT GMBH
Reel/Frame 053323/0770 →