Cheng H Lee

Title: Innovations of Cheng H Lee

Introduction

Cheng H Lee is an accomplished inventor based in Creve Coeur, MO (US). He has made significant contributions to the field of polymer membranes, holding a total of 2 patents. His work focuses on innovative processes that enhance the functionality of ion exchange membranes and the separation of chemical mixtures.

Latest Patents

One of his latest patents is the "Quaternization process for ion exchange membranes." This process involves quaternizing reactive substituent haloalkyl groups in hollow fiber polymer membranes. The method includes reacting these haloalkyl groups with an amine quaternizing agent in the presence of an electrolyte compound, and preferably, a cationic quaternary ammonium halide surfactant. Another notable patent is for the "Membrane separation of methanol from formaldehyde aqueous mixtures." This invention describes a method for separating methanol from formaldehyde aqueous mixtures by using a polymeric membrane that is selectively permeable to methanol. The process maintains a lower chemical potential on the opposite membrane surface, allowing for efficient separation.

Career Highlights

Cheng H Lee has built a successful career at Monsanto Company, where he has applied his expertise in polymer science and membrane technology. His innovative approaches have contributed to advancements in chemical separation processes, showcasing his commitment to research and development in the field.

Collaborations

Cheng has collaborated with various professionals in his field, including his coworker Jay M Henis. Their combined efforts have led to significant advancements in membrane technology and its applications.

Conclusion

Cheng H Lee's contributions to the field of polymer membranes and chemical separation processes highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes and enhancing the efficiency of chemical separations.