IP Library Assignment 026228/0972
Patent Assignment
Reel/Frame 026228/0972

Assignment of Assignor's Interest

Recorded: 2011-05-03 Pages: 3
Assignor
WANG, BO
Executed: 2008-10-29
Assignee
WORLD MINERALS, INC.
130 CASTILIAN DRIVE, SANTA BARBARA, CALIFORNIA, 93117
Covered Property (1)
Diatomaceous Earth Products, Processes for Preparing Them, and Methods of Their Use
Application: 13/122,836 →
Publication: US 2011/0195168
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 31, 2012
From: WORLD MINERALS INC.
To: IMERYS FILTRATION MINERALS, INC.
Reel/Frame 028685/0853 →
Assignment of Assignor's Interest Feb 15, 2019
From: IMERYS FILTRATION MINERALS, INC.
To: IMERYS USA, INC.
Reel/Frame 048344/0707 →