Patent Assignment
Reel/Frame 037265/0477
Assignment of Assignor's Interest
Recorded: 2015-12-10
Pages: 6
Assignee
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO, KAKO-GUN, HYOGO, 6750145, JAPAN
Covered Property
(1)
Fracturing Fluid Viscosity-Controlling Agent to Be Used in Hydraulic Fracturing