Patent Assignment
Reel/Frame 070172/0940
Change of Name
Recorded: 2025-02-11
Pages: 3
Assignor
ROHM & HAAS ELECTRONIC MATERIALS CMP HOLDINGS INC.
Executed: 2024-04-01
Assignee
DUPONT ELECTRONIC MATERIALS HOLDING, INC.
451 BELLEVUE ROAD, NEWARK, DELAWARE, 19713
Covered Properties
(4)
Cmp Pad Having an Overlapping Stepped Groove Arrangement
Chemical Mechanical Polishing Pad
Patent:
7,169,030 →
Application:
11/442,076 →
Three-Dimensional Network for Chemical Mechanical Polishing
Curved Grooving of Polishing Pads
Patent:
7,234,224 →
Application:
11/592,910 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.