Yiyan Chen has a total of 1 patent(s) in the database.
* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.
Patent Number: 7341980 View patent at USPTO Title: VISCOELASTIC SURFACTANT RHEOLOGY MODIFICATION Assignee: Schlumberger Technology Corporation Issue Date: March 11, 2008 Inventor(s): Taner Batmaz, Rock Springs, WY
Yiyan Chen, Richmond, TX
Samuel Cozzens, Rock Springs, WY
Eric Hanson, San Diego, CA
Jesse Lee, Sugar Land, TX
Timothy Pope, Sugar Land, TX