This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Wanhua Chemical (Ningbo) Co., Ltd., Wanhua Chemical Group Co., Ltd.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Weijing Fan: Innovator in Polyisocyanate Composition
Introduction
Weijing Fan is a notable inventor based in Shandong, China. He has made significant contributions to the field of polyisocyanate composition preparation. His innovative work has led to the development of a unique isocyanurate-containing polyisocyanate composition with stable chromaticity.
Latest Patents
Weijing Fan holds 1 patent for his invention titled "Isocyanurate-containing polyisocyanate composition with stable chromaticity, and preparation method thereof." This invention provides a method for creating a polyisocyanate composition that maintains stable storage chromaticity. The preparation method involves polymerizing an isocyanate monomer in the presence of a catalyst, followed by separation treatment and heat treatment. The resulting composition has a cleavable amine content of less than or equal to 20 ppm, ensuring minimal chrominance increase when stored at elevated temperatures.
Career Highlights
Throughout his career, Weijing Fan has worked with prominent companies in the chemical industry. He has been associated with Wanhua Chemical Group Co., Ltd. and Wanhua Chemical (Ningbo) Co., Ltd. His experience in these organizations has contributed to his expertise in polyisocyanate compositions.
Collaborations
Weijing Fan has collaborated with several professionals in his field, including Nuancheng Wang and Lidong Sun. These collaborations have likely enhanced his research and development efforts in the area of polyisocyanate compositions.
Conclusion
Weijing Fan's innovative contributions to the field of polyisocyanate composition preparation demonstrate his expertise and commitment to advancing chemical technology. His patent reflects a significant step forward in achieving stable chromaticity in polyisocyanate compositions.