Company Filing History:
3 out of 59 
1 out of 1 Years Active: 2013-2015
Title: Innovations of Tung-Han Tsai in Amide Preparation
Introduction
Tung-Han Tsai is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of chemistry, particularly in the preparation of amides. With a total of 4 patents to his name, Tsai's work has garnered attention for its innovative approaches and practical applications.
Latest Patents
Tsai's latest patents focus on catalyst compositions and methods for preparing amides. One of his inventions provides a catalyst composition that includes a hydroxylamine salt, sulfuric acid, and a nitrogen-containing heterocyclic compound. This composition is utilized to catalyze a ketoxime to form an amide in the Beckman rearrangement reaction. The method boasts a high conversion rate of ketoxime, high selectivity for amides, and impressive tolerance to water. Another patent outlines a method for preparing an amide using a catalyst composition that facilitates the regeneration of the catalyst with low water content, thereby enhancing the conversion rate and selectivity.
Career Highlights
Throughout his career, Tung-Han Tsai has worked with prominent companies such as China Petrochemical Development Corporation and China Petroleum Development Corporation in Taipei. His experience in these organizations has contributed to his expertise in chemical processes and innovations.
Collaborations
Tsai has collaborated with notable coworkers, including Cheng-Fa Hsieh and Chien-Chuan Shih. These partnerships have likely enriched his research and development efforts, leading to successful innovations in his field.
Conclusion
Tung-Han Tsai's contributions to the preparation of amides through innovative catalyst compositions highlight his role as a significant inventor in the chemical industry. His work continues to influence advancements in chemical processes and applications.