IP Library › Assignment 027666/0781
Patent Assignment
Reel/Frame 027666/0781

Assignment of Assignor's Interest

Recorded: 2012-02-07 Pages: 3
Assignors
LANGHANS, JOHN WILLIAM, JR.
Executed: 2012-01-13
TSU, WILSON CHUNG-YEH
Executed: 2012-01-06
Assignee
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER, SUITE 3700, 161 BAY STREET, TORONTO, M5J 2S1, CANADA
Covered Property (1)
Alkaline and Acid Pressure Oxidation of Precious Metal-Containing Materials
Patent: 8,623,115 →
Application: 13/301,435 →
Publication: US 2012/0128528
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Dec 24, 2025
From: BARRICK GOLD CORPORATION
To: BARRICK MINING CORPORATION
Reel/Frame 073312/0902 →