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Congratulations to CNPC USA

Posted by William P. Ramey III | Apr 26, 2018 | 0 Comments

Ramey & Schwaller wishes to congratulate its client CNPC-USA on issuance of U.S. Patent Number 9,909,050 titled HIGH DENSITY AND HIGH TEMPERATURE EMULSIFIER FOR USE IN AN OIL BASED DRILLING FLUID SYSTEM on March 6, 2018.  The patent relates to a drilling fluid system including an emulsifier that is stable under high density and high temperature conditions.  The present invention also relates to a method of manufacturing the emulsifier from a fatty oil, diethylenetriamine, and maleic acid.

Ramey & Schwalller is a full-service intellectual property law firm working with an international client base from our Houston, Texas office.  We are dedicated to enhancing client results through efficient practice management, innovative technologies and the use of skilled professionals. www.rameyfirm.com

About the Author

William P. Ramey III

Managing Partner; Office: Houston

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