Hsin-Wei Chang

Title: Hsin-Wei Chang: Innovator in Chemical Processes

Introduction

Hsin-Wei Chang is a notable inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of chemical processes, particularly in the preparation of various compounds. With a total of 2 patents, his work demonstrates a commitment to innovation and industrial application.

Latest Patents

Hsin-Wei Chang's latest patents include a method for preparing 2,2-bis(4-hydroxycyclohexyl)propane. This invention provides a method that involves hydrogenating a reactive solution containing 2,2-bis(4-hydroxyphenyl)propane under specific conditions. The process occurs in a reactor with a catalyst, within a temperature range of 80-165° C. and a pressure range of 85-110 kg/cm. This method boasts high yield properties and facilitates mass production, enhancing its industrial value. Another significant patent is for a method of preparing 2-cyclohexyl cyclohexanol. This method includes hydrogenating a cyclohexanone dimer with hydrogen gas at temperatures ranging from 150 to 250° C. in a catalyst-containing reactor. The molar ratio of hydrogen gas to oil ranges from 1 to 25, providing high yield properties and allowing for mass production, thus increasing its industrial application value.

Career Highlights

Hsin-Wei Chang has worked with the China Petrochemical Development Corporation in Taipei, Taiwan. His experience in this organization has contributed to his expertise in chemical processes and innovation.

Collaborations

Some of his notable coworkers include Yi-Chi Wang and Weng-Keong Tang. Their collaboration has likely fostered a productive environment for innovation and development in their respective fields.

Conclusion

Hsin-Wei Chang's contributions to chemical processes through his patents reflect his dedication to innovation and industrial application. His work continues to influence the field and showcases the importance of advancements in chemical engineering.