Company Filing History:
1 out of 2 
1 out of 7 Years Active: 2025
Title: Guohui Han: Innovator in Pharmaceutical Chemistry
Introduction
Guohui Han is a notable inventor based in Jinan, China. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of innovative compounds for cancer treatment. His work focuses on creating effective inhibitors that target specific cancer pathways.
Latest Patents
Guohui Han holds a patent for a crystal form of a polycyclic anaplastic lymphoma kinase inhibitor. This invention relates to a crystal form of a compound, specifically 5-chloro-N-(2-(isopropylsulfonyl)phenyl)-N-(7-methyl-8-(piperidin-4-yl)-2,3-dihydrobenzo[b][1,4]dioxin-5-yl)pyrimidine-2,4-diamine. The patent outlines a preparation method for this crystal form, a pharmaceutical composition that includes it, and its use in preventing and treating anaplastic lymphoma kinase-mediated cancers and other related diseases.
Career Highlights
Throughout his career, Guohui Han has worked with prominent companies in the pharmaceutical industry. He has been associated with Shandong Xuanzhu Pharma Co., Ltd. and Xuanzhu Biopharmaceutical Co., Ltd. His experience in these organizations has contributed to his expertise in drug development and innovation.
Collaborations
Guohui Han has collaborated with various professionals in the field, including his coworker Haibo Wang. These collaborations have enhanced his research and development efforts, leading to advancements in pharmaceutical formulations.
Conclusion
Guohui Han's contributions to pharmaceutical chemistry, particularly through his innovative patent, highlight his role as a key inventor in the industry. His work continues to impact the development of effective cancer treatments.