IP Library Assignment 037193/0885
Patent Assignment
Reel/Frame 037193/0885

Assignment of Assignor's Interest

Recorded: 2015-12-02 Pages: 4
Assignors
CHATTERJEE, DILIP K.
Executed: 2011-12-07
WU, SHANGHUA
Executed: 2011-02-07
XIE, YUMING
Executed: 2011-02-07
COKER, CHRISTOPHER E.
Executed: 2011-02-07
Assignee
OXANE MATERIALS, INC.
467 WEST 38TH STREET, PINE FOREST OFFICE BUILDING, HOUSTON, TEXAS, 77018
Covered Property (1)
Extrusion Process for Proppant Production
Patent: 9,862,879 →
Application: 14/951,158 →
Publication: US 2016/0083645
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 2, 2015
From: OXANE MATERIALS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 037196/0848 →