IP Library Assignment 056718/0701
Patent Assignment
Reel/Frame 056718/0701

Assignment of Assignor's Interest

Recorded: 2021-06-30 Pages: 4
Assignors
PUUPPONEN, SALLA
Executed: 2021-04-21
KRAPU, SARI
Executed: 2021-04-19
Assignee
KEMIRA OYJ
ENERGIAKATU 4, HELSINKI, 00180, FINLAND
Covered Property (1)
A Method for Determining Concentration of Polyelectrolytes and Phosphonates
Application: 17/281,827 →
Publication: US 2022/0018774
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 →