Yun Feng Chang

Title: Innovations of Yun Feng Chang

Introduction

Yun Feng Chang is a notable inventor based in Houston, Texas. He has made significant contributions to the field of molecular sieves, particularly in the development of silicoaluminophosphate materials. With a total of five patents to his name, Chang's work has implications for various industrial applications.

Latest Patents

Chang's latest patents include a crystalline intergrowth material of silicoaluminophosphate that features two intergrown phases. The first phase has an AEI/CHA ratio ranging from about 5/95 to about 40/60, while the second phase has an AEI/CHA ratio of about 30/70 to 55/45. Additionally, he has developed a crystalline intergrowth material, its synthesis, and its use in the conversion of oxygenates to olefins, which also includes similar AEI/CHA ratios and a silica to alumina molar ratio from about 0.13 to about 0.24.

Career Highlights

Yun Feng Chang is currently employed at ExxonMobil Chemical Patents Inc., where he continues to innovate and contribute to advancements in chemical engineering. His expertise in molecular sieve technology has positioned him as a key figure in his field.

Collaborations

Chang has collaborated with notable coworkers such as Stephen Neil Vaughn and Luc R M Martens, enhancing the research and development efforts at ExxonMobil.

Conclusion

Yun Feng Chang's contributions to the field of molecular sieves and his innovative patents reflect his dedication to advancing chemical engineering. His work continues to influence various applications in the industry.