IP Library Assignment 058513/0658
Patent Assignment
Reel/Frame 058513/0658

Assignment of Assignor's Interest

Recorded: 2021-12-31 Pages: 4
Assignors
PUUPPONEN, SALLA
Executed: 2021-07-15
LAHTINEN, SAMPO
Executed: 2021-08-05
Assignee
KEMIRA OYJ
ENERGIAKATU 4, HELSINKI, 00180, FINLAND
Covered Property (1)
Method for Detecting Silica
Application: 17/281,908 →
Publication: US 2021/0381978
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 27, 2024
From: KEMIRA OYJ
To: STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED
Reel/Frame 066699/0200 →