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CONGRATULATIONS TO CNPC USA CORPORATION ON ISSUANCE OF U.S. PATENT NUMBER 10,907,083

Posted by Melissa D. Schwaller | Oct 22, 2021 | 0 Comments

Ramey & Schwaller wishes to congratulate its client CNPC USA CORPORATION on issuance of US Patent # 10,907,083 titled POLYMER SYSTEM FOR FLUID LOSS CONTROL on February 2, 2021.  The patent is based on a combination of three polymers including a crosslinked acrylamide-TBAS copolymers in inverse emulsion form, N-vinyl pyrrolidone-acrylamide-TBAS terpolymer, and crosslinked N-vinyl pyrrolidone-acrylamide-TBAS acts as high temperature, high pressure fluid loss control additives for water-based drilling fluids systems. The combination is particularly useful for high salt, high density drilling fluids, and high temperature applications.

Ramey & Schwaller is a full-service intellectual property law firm working with a national 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.

About the Author

Melissa D. Schwaller

Partner; Office: Houston

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