Location History:
- Hangzhou, CN (2021)
- Zhejiang, CN (2022 - 2024)
Company Filing History:
4 out of 10 
4 out of 8 
4 out of 14 
Years Active: 2021-2025
Title: Innovations and Contributions of Inventor Jianjun Zhang
Introduction
Jianjun Zhang is a prominent inventor based in Hangzhou, China. He has made significant contributions to the field of chemical engineering, particularly in the development of methods for synthesizing important chemical compounds. With a total of five patents to his name, Zhang's work showcases his expertise and innovative approach to solving complex chemical challenges.
Latest Patents
One of Jianjun Zhang's latest patents is a method for preparing 2,3-dichloro-5-trifluoromethylpyridine with high selectivity. This method involves conducting the reaction at a temperature of 100 to 150 degrees Celsius and a pressure of 0.5 to 5.0 MPa, in the presence of specific catalysts. The advantages of this method include high selectivity for the desired product, efficient utilization of chlorine gas, moderate processing conditions, and reduced waste generation. Another notable patent is a method for reducing carbon deposits on catalysts during the recycling of HFC-23. This innovative approach utilizes a fluorine-chlorine exchange reaction and introduces hydrogen gas to enhance catalyst stability and longevity.
Career Highlights
Throughout his career, Jianjun Zhang has worked with several reputable companies, including Zhejiang Lantian Environmental Protection Hi-tech Co., Ltd. and Zhejiang Research Institute of Chemical Industry Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas and contribute to advancements in environmental protection and chemical processes.
Collaborations
Zhang has collaborated with notable colleagues such as Wucan Liu and Wanjin Yu. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Jianjun Zhang's contributions to the field of chemical engineering through his patents and collaborations highlight his role as an influential inventor. His innovative methods not only advance scientific knowledge but also promote environmental sustainability.
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.