Ramey & Schwaller wishes to congratulate its client CNPC USA on issuance of U.S. Patent Number 10,280,357 titled High Density and High Temperature Emulsifier For Use In An
Oil Based Drilling Fluid System on May 7, 2019. The patent relates to An emulsifying composition for an oil based drilling fluid includes oleyl alcohol and a mixture of polymeric amides.
Ramey & Schwaller 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 skilled professionals.
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