Che Jim Cheng

Title: Che Jim Cheng: Innovator in Quaternary Ammonium Compounds

Introduction

Che Jim Cheng is a notable inventor based in Beijing, China. He has made significant contributions to the field of chemistry, particularly in the preparation of aryl poly(oxalkyl) quaternary ammonium compounds. His innovative methods have the potential to enhance production efficiency and product quality in various applications.

Latest Patents

Che Jim Cheng holds a patent for a method of preparation of aryl poly(oxalkyl) quaternary ammonium compound. This method involves several steps, including the reaction of phenol with a dihalopolyalkylene ether, followed by reactions with an amination reagent and an alkylation reagent. The process is characterized by low temperature and low pressure requirements, a short reaction time, and an overall yield of up to 75%. The simplicity of the operation and low cost make it suitable for large-scale production, yielding a product of pharmaceutical grade purity.

Career Highlights

Che Jim Cheng is associated with Beijing Sunpu Biochem. Tech. Co., Ltd., where he applies his expertise in chemical processes. His work has contributed to advancements in the production of quaternary ammonium compounds, which are widely used in various industries.

Collaborations

Che Jim Cheng has collaborated with notable colleagues, including Fei Song and Yongmei Pan. Their combined efforts have fostered innovation and development in their respective fields.

Conclusion

Che Jim Cheng's contributions to the field of chemistry, particularly through his patented methods, demonstrate his commitment to innovation and efficiency. His work not only advances scientific knowledge but also has practical implications for large-scale production processes.