Patent Assignment
Reel/Frame 062663/0483
Assignment of Assignor's Interest
Recorded: 2023-02-10
Pages: 3
Assignor
DONOVAN, MICHAEL
Executed: 2020-06-29
Assignee
SPECIALTY MINERALS (MICHIGAN) INC.
30600 TELEGRAPH ROAD, BINGHAM FARMS, MICHIGAN, 48025
Covered Property
(1)
Modified Clay Sorbents with Multifunctional Quaternary Ammonium Compounds and Mono-Quateranry Ammonium Compounds and Methods of Sorbing Per- and Polyfluoroalkyl Substances (Pfas) from Contaminated Samples with the Modified Clay Sorbents
Application:
17/925,282 →
Publication:
US 2023/0226518
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 21, 2023
From: AMCOL INTERNATIONAL CORPORATION; SPECIALTY MINERALS (MICHIGAN) INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 063400/0705 →
Bankruptcy Order Releasing All Liens Including the Intellectual Property Security Agreement Recorded at Reel/Frame 063400/0705
Jul 31, 2025
From: JPMORGAN CHASE BANK, N.A.
To: AMCOL INTERNATIONAL CORPORATION; SPECIALTY MINERALS (MICHIGAN) INC.
Reel/Frame 072308/0419 →