Company Filing History:
3 out of 674 
1 out of 10 
1 out of 1 Years Active: 2008-2019
Title: Changming Su: Innovator in Cationic Copolymers
Introduction
Changming Su is a prominent inventor based in Beijing, China. He has made significant contributions to the field of polymer chemistry, particularly in the development of cationic copolymers. With a total of 3 patents, his work has implications in various industrial applications, especially in the oil and gas sector.
Latest Patents
Changming Su's latest patents include innovative formulations and applications of cationic copolymers. One notable patent is for a cationic copolymer that serves as a lost circulation additive. This copolymer has a viscosity average molecular weight ranging from 2 million to 10 million. The formulation includes specific mole fractions of three structural units derived from different monomers. When utilized in oil well construction, this copolymer effectively blocks leakage paths, enhancing the efficiency of leaking stoppage in a short time frame. Another significant patent involves a random copolymer obtained from various monomers, which demonstrates excellent fluid loss properties under high temperature and salt conditions. This copolymer maintains its effectiveness without thickening the drilling fluid, making it a valuable asset in petroleum engineering.
Career Highlights
Throughout his career, Changming Su has worked with notable organizations such as China Petroleum & Chemical Corporation and the Sinopec Research Institute of Petroleum Engineering. His experience in these companies has allowed him to apply his innovative ideas in practical settings, contributing to advancements in drilling fluid technology.
Collaborations
Changming Su has collaborated with esteemed colleagues, including Jiafen Li and Xiaohua Yang. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Changming Su's contributions to the field of polymer chemistry, particularly in the development of cationic copolymers, have positioned him as a key innovator in the industry. His patents reflect a commitment to enhancing the efficiency of oil well operations and addressing challenges in drilling fluid management.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.