Beijing, China

Liwei Ren

This inventor holds 1 USPTO granted patent. Top assignees: China Petroleum Chemical Corporation, Sinopec Research Institute of Petroleum Engineering. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Liwei Ren. Retrieved from https://idiyas.com/inventor/liwei-ren-dzdgkfzi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 11.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Liwei Ren: Innovator in Copolymer Technology

Introduction

Liwei Ren is a prominent inventor based in Beijing, China. He has made significant contributions to the field of polymer science, particularly in the development of copolymers with unique properties. His work has implications for various industrial applications, especially in the oil and gas sector.

Latest Patents

Liwei Ren holds a patent for a copolymer and its preparation method and application. The copolymer is a random copolymer derived from monomers such as acrylamide, acrylic acid, alkenyl sulfonate, 2-acrylamido-dodecyl sulfonate, and p-styrene sulfonate. This innovative copolymer serves as a fluid loss additive, demonstrating excellent fluid loss properties. It remains effective at high temperatures of 200°C and under high salt conditions of saturated brine. The copolymer exhibits medium-pressure fluid loss after aging and rolling for 16 hours at elevated temperatures, adhering to the American Petroleum Institute Standard Test. Its high-temperature and salt-resisting properties make it a valuable asset in drilling operations.

Career Highlights

Throughout his career, Liwei Ren has worked with notable organizations, including China Petroleum Chemical Corporation and Sinopec Research Institute of Petroleum Engineering. His experience in these companies has allowed him to apply his expertise in polymer technology to real-world challenges in the petroleum industry.

Collaborations

Liwei Ren has collaborated with esteemed colleagues such as Xianguang Wang and Bingzhong Shi. Their joint efforts have contributed to advancements in polymer research and applications.

Conclusion

Liwei Ren's innovative work in copolymer technology showcases his dedication to advancing the field. His patent and career achievements reflect his significant impact on the industry, particularly in enhancing drilling fluid performance.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…