Location History:
- Randolph, NJ (US) (2003 - 2005)
- Kemah, TX (US) (2004 - 2009)
Company Filing History:
Years Active: 2003-2009
Title: Innovations and Contributions of Inventor Yun-Feng Chang
Introduction
Yun-Feng Chang is a notable inventor based in Kemah, Texas, who has made significant contributions to the field of chemical engineering. With a total of 4 patents to his name, he has developed innovative methods and apparatuses that enhance the efficiency of chemical processes.
Latest Patents
Among his latest patents, one focuses on zeolites and molecular sieves. This patent describes a method for making a zeolite that involves providing a reaction mixture containing mixed inorganic oxides and an organic templating agent. The process includes heating the reaction mixture and removing the templating agent at a temperature not exceeding 550° C. The resulting zeolite is designed to have an Adsorption Activity Index (AAI) of at least 1.2, with preferred types being zeolite beta, TEA-mordenite, or TEA-ZSM-12.
Another significant patent addresses the conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure. This apparatus is designed to convert nitrogen oxides, such as NO, in the presence of a catalyst supported on a fibrous metal or ceramic mesh-like structure. The mesh has a porosity greater than 85% and is configured to promote fluid flow through its pores, enhancing the conversion process.
Career Highlights
Yun-Feng Chang has worked with prominent companies in the industry, including Abb Lummus Global Inc. and Lummus Technology Inc. His experience in these organizations has contributed to his expertise in developing innovative chemical processes and technologies.
Collaborations
Throughout his career, Chang has collaborated with esteemed colleagues such as Rudolf A. Overbeek and Chuen Yuan Yeh. These partnerships have fostered a collaborative environment that has led to advancements in their respective fields.
Conclusion
Yun-Feng Chang's contributions to the field of chemical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future innovations.