Location History:
- Zhejiang, CN (2021)
- Hangzhou, CN (2018 - 2022)
Company Filing History:
5 out of 27 
1 out of 2 
1 out of 1 Years Active: 2018-2022
Title: The Innovative Contributions of Wanmei Li in Chemical Engineering
Introduction
Wanmei Li, an esteemed inventor based in Hangzhou, China, has made significant strides in the field of chemical engineering, particularly through his innovative methods of synthesizing important chemical compounds. With a total of five patents to his name, Wanmei has demonstrated a remarkable ability to contribute to advancements in medicinal chemistry and chemical processes.
Latest Patents
Wanmei Li's latest patents include a groundbreaking method for preparing alkynyl 2-halo-2,2-difluoroacetate. This method involves subjecting a 2-halo-2,2-difluoro acetic acid, an alkynol, and a catalyst to an esterification reaction in a solvent. The catalyst may include one or more of sulfuric acid, phosphoric acid, and p-toluenesulfonic acid, leading to the production of alkynyl 2-halo-2,2-difluoroacetate.
Additionally, he has developed processes for preparing 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-indanacetonitrile and sulindac, which are significant in the medical field. These processes streamline the synthetic route, simplify the preparation methods, and enhance yields, reflecting Wanmei's innovative approach to problem-solving in chemical synthesis.
Career Highlights
Throughout his career, Wanmei Li has held key positions at notable institutions, including Hangzhou Normal University and Hangzhou Transfar Fine Chemical Co., Ltd. His work in these organizations has not only allowed him to develop his intellectual property but also to collaborate with other professionals and advance research initiatives in the chemical domain.
Collaborations
Wanmei has worked alongside esteemed colleagues such as Pengfei Zhang and Weiming Xu. Their collaborative efforts have further enriched his research projects, fostering an environment of innovation and shared knowledge. These partnerships are indicative of the collective drive toward advancing chemical processes and discoveries.
Conclusion
With his impressive portfolio of patents and significant contributions to the field of chemical engineering, Wanmei Li continues to be a noteworthy inventor. His innovative practices and dedication to research not only enhance medicinal chemistry but also pave the way for future inventions in the industry. Wanmei stands out as a prime example of how creativity and technical expertise converge to yield groundbreaking results.