Company Filing History:
2 out of 53 
2 out of 259 
Years Active: 1997-1998
Title: Qiu Tan: Innovator in Ion Exchange Resin Catalysts
Introduction
Qiu Tan is a notable inventor based in Tianjin, China. He has made significant contributions to the field of chemical engineering, particularly in the development of ion exchange resin catalysts. With a total of 2 patents, his work has implications for the synthesis of bisphenols, which are essential in various industrial applications.
Latest Patents
Qiu Tan's latest patents include an ion exchange resin catalyst for the synthesis of bisphenols. This innovative catalyst features a sulfonated styrene-divinylbenzene copolymer with a porous structure that includes micropore areas and transfer pass networks. The main pass network has a pore size ranging from 9×10³ to 38×10³ nanometers, while the branch pass network has a pore size of 20-150 nanometers. The micropore area has a pore size of 5-20 nanometers, with the micropore pass of 5-10.4 nanometers accounting for more than 50% of the total pore capacity. This catalyst is particularly useful for condensing phenols with ketones, enhancing the production of high purity and ultrapure bisphenol-A.
Career Highlights
Throughout his career, Qiu Tan has worked with prominent organizations such as China Petrochemical Corporation and Tianjin University. His experience in these institutions has allowed him to refine his expertise in chemical processes and catalyst development.
Collaborations
Qiu Tan has collaborated with several notable individuals in his field, including Zongzhang Liu and Minhua Zhang. Their joint efforts have contributed to advancements in the applications of ion exchange resin catalysts.
Conclusion
Qiu Tan's innovative work in the development of ion exchange resin catalysts has positioned him as a key figure in the field of chemical engineering. His contributions are paving the way for advancements in the synthesis of essential industrial compounds.