Company Filing History:
1 out of 893 
1 out of 191 Years Active: 1996
Title: De-Hua He: Innovator in Lactone Preparation
Introduction
De-Hua He is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of chemical engineering, particularly in the preparation of lactones. His innovative approach has led to advancements in the synthesis of these important chemical compounds.
Latest Patents
De-Hua He holds a patent for a process for preparing lactones. This process involves the catalytic hydrogenation of a dicarboxylic acid with 3 to 10 carbon atoms or a functional derivative thereof. The method utilizes a catalyst that includes a metal from group VIII of the periodic table, potentially combined with elements from groups IVa, VIb, and VIIb. Additionally, the process requires the presence of an alkali metal salt or an alkali metal hydroxide, enhancing the efficiency of lactone production.
Career Highlights
Throughout his career, De-Hua He has worked with prominent companies in the chemical industry. He has been associated with Tosoh Corporation and Sagami Chemical Research Center, where he has applied his expertise in chemical processes. His work has contributed to the development of innovative solutions in chemical manufacturing.
Collaborations
De-Hua He has collaborated with several professionals in his field, including Takamasa Fuchikami and Noriko Wakasa. These collaborations have fostered a productive environment for research and development, leading to advancements in chemical processes.
Conclusion
De-Hua He is a distinguished inventor whose work in lactone preparation has made a significant impact in the chemical industry. His innovative processes and collaborations highlight his contributions to the field.