Location History:
- Jiangsu, CN (2015)
- Nanjing, CN (2014 - 2020)
Company Filing History:
2 out of 5 
1 out of 10 Years Active: 2014-2020
Title: Innovations and Contributions of Inventor Liangwu Bi
Introduction
Liangwu Bi is a notable inventor based in Nanjing, China. He has made significant contributions to the field of chemistry, particularly in the development of novel compounds with practical applications. With a total of 3 patents, his work showcases a blend of creativity and scientific rigor.
Latest Patents
One of Liangwu Bi's latest patents is titled "1,8-bis(Schiff base)-p-menthane derivatives as well as preparation method and applications thereof." This invention discloses a type of 1,8-bis(Schiff base)-p-menthane derivatives and outlines their preparation method and applications. The process involves the reaction of 1,8-diamino-p-menthane with a substituted benzaldehyde in a polar organic solvent at temperatures ranging from 0°C to -75°C for a duration of 1 to 48 hours. After the reaction, part of the solvent is distilled off, and recrystallization is performed to obtain the desired derivative. The resulting compounds exhibit pre-emergence herbicidal activity against ryegrass, demonstrating a good inhibitory effect on its growth while maintaining low toxicity.
Another significant patent by Liangwu Bi is the "Process for preparing isopimaric acid." This process includes several steps, starting with dissolving thermally isomerized rosin in acetone and adding a solution of isobutanolamine to form a precipitate. The method continues with filtration, washing, and recrystallization to obtain purified isopimaric acid. This innovative approach highlights his expertise in chemical processes and product development.
Career Highlights
Liangwu Bi has worked with several esteemed organizations throughout his career. He has been associated with the Institute of Chemical Industry of Forest Products, CAF, and the Chinese Academy of Forestry. His experience in these institutions has allowed him to refine his skills and contribute to various research projects.
Collaborations
Liangwu Bi has collaborated with notable colleagues, including Zhendong Zhao and Jing Wang. These partnerships have fostered a collaborative environment that enhances innovation and research outcomes.
Conclusion
Liangwu Bi's contributions to the field of chemistry through his patents and collaborations reflect his dedication to innovation. His work not only advances scientific knowledge but also has practical applications that can
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.