Patent Assignment
Reel/Frame 012772/0144
Assignment of Assignor's Interest
Recorded: 2002-04-03
Received: 2002-04-12
Pages: 3
Assignors
BLAIR, CECIL C.
Executed: 2002-03-22
CHANG, KIN-TAI
Executed: 2002-03-22
GERKEN, KURT S.
Executed: 2002-03-22
TREYBIG, DUANE S.
Executed: 2002-03-22
Assignee
ONDEO NALCO ENERGY SERVICES LP
7701 HIGHWAY 90-A, SUGAR LAND, TX, 77478, UNITED STATES
Covered Property
(1)
Use of Dispersion Polymers as Friction Reducers in Aqueous Fracturing Fluids
Application:
10/115,852 →