This inventor holds 1 USPTO granted patent. Top assignees: Wanhua Chemical (Ningbo) Co., Ltd., Wanhua Chemical Group Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Chengyue Yan: Innovator in Polyisocyanate Composition
Introduction
Chengyue Yan is a notable inventor based in Yantai, China. He has made significant contributions to the field of isocyanate derivatives, particularly through his innovative patent related to storage-stable polyisocyanate compositions. His work has implications for various industrial applications, enhancing the stability and usability of polyisocyanate products.
Latest Patents
Chengyue Yan holds a patent for a "Storage-stable polyisocyanate composition and preparation method therefor." This invention focuses on a method that involves polymerizing isocyanate monomers in the presence of a catalyst system. The process ensures that the resulting polyisocyanate reaction solution undergoes heat treatment, which significantly improves its stability when stored at elevated temperatures. The patent highlights that the viscosity increase is minimal when stored at 50° C. for 30 days, ensuring both the stability of the viscosity and the free monomer content.
Career Highlights
Throughout his career, Chengyue Yan has worked with prominent companies in the chemical industry. Notably, he has been associated with Wanhua Chemical Group Co., Ltd. and Wanhua Chemical (Ningbo) Co., Ltd. His experience in these organizations has allowed him to develop and refine his expertise in polyisocyanate compositions.
Collaborations
Chengyue Yan has collaborated with several professionals in his field, including Bin Shi and Yonghua Shang. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Chengyue Yan's innovative work in the field of polyisocyanate compositions showcases his dedication to enhancing chemical stability and usability. His contributions are valuable to the industry and reflect his expertise as an inventor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile