This inventor holds 1 USPTO granted patent. Top assignees: China Petroleum & Chemical Corporation, Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 95 
1 out of 3 Years Active: 2026
Title: Fanghui Liu and His Polymer Thickening Agent Patent.
Introduction
Fanghui Liu is an inventor based in Beijing, China. His patent work includes a polymer-based thickening agent designed for use in fracturing fluids.
Latest Patents
Liu is associated with 1 patent, titled “Polymer, Thickening Agent, and Preparation Method Therefor.” The invention describes a polymer containing structural units of four specified formulas and a thickening agent made with that polymer. The agent is designed to dissolve quickly and thicken slickwater, glue solutions, cross-linked fracturing fluids, and acid solutions with different viscosity requirements. The patent also describes fracturing-fluid systems intended to provide temperature and shear resistance, sand-carrying performance, and controlled flow behavior, while improving compatibility among different fluid types.
Career Highlights
Liu’s listed company affiliations include China Petroleum & Chemical Corporation and Sinopec Petroleum Engineering Technology Research Institute Co., Ltd. His patent focuses on materials and preparation methods relevant to petroleum engineering and fracturing-fluid applications.
Collaborations
Liu’s listed coworkers include Shidong Ding and Haitao Wang.
Conclusion
Fanghui Liu’s patent presents a rapidly soluble polymer thickening agent intended to support versatile fracturing-fluid systems and improve compatibility across different fluid types.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile