This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: University System of Maryland, Northeast Forestry University. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2025-2026
Title: Qinqin Xia: Innovator in Carboxylated Cellulose Nanofibers
Introduction
Qinqin Xia is a notable inventor based in Harbin, China. She has made significant contributions to the field of materials science, particularly in the development of carboxylated cellulose nanofibers. Her innovative approach has the potential to impact various industries, including biocomposites and nanotechnology.
Latest Patents
Qinqin Xia holds a patent for a "Carboxylated cellulose nanofiber and preparation method thereof." This patent discloses a method that involves mixing choline chloride, citric acid, and water at temperatures between 60-100° C. for 15-60 minutes to create a hydrated multi-carboxylic acid deep eutectic solvent (H-DES). The process continues with a hydrolysis-esterification reaction of the H-DES and cellulose at 120-130° C. for 2-3 hours, resulting in carboxylated cellulose. Finally, the carboxylated cellulose is mixed with water for nano-fibrillation, yielding the carboxylated cellulose nanofiber. This innovative method showcases her expertise in material preparation and processing.
Career Highlights
Qinqin Xia has worked at prominent institutions such as Northeast Forestry University and the University System of Maryland. Her academic and research endeavors have allowed her to explore the potential applications of cellulose nanofibers in various fields.
Collaborations
Throughout her career, Qinqin Xia has collaborated with notable colleagues, including Haipeng Yu and Xiaochao Shi. These partnerships have contributed to her research and the advancement of her innovative projects.
Conclusion
Qinqin Xia's work in the development of carboxylated cellulose nanofibers represents a significant advancement in material science. Her innovative methods and collaborations highlight her commitment to research and innovation in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile