Manying Wang

Title: Manying Wang and a Practical Method for Preparing Chitosan Oligosaccharide Sulfate.

Introduction

Manying Wang is an inventor associated with Jiangxi Normal University in Nanchang, China. His patent work concerns the preparation of chitosan oligosaccharide sulfate, a material in the field of chitosan oligosaccharide production.

Latest Patents

Wang is credited with 1 patent: “Chitosan Oligosaccharide Sulfate and Preparation Method Thereof.” The disclosure describes mixing chitosan oligosaccharide hydrochloride solution with potassium sulfate solution, then adding absolute ethanol to form a suspension. After standing, the mixture is filtered, and the collected precipitate is washed, dried, and ground to obtain the product.

The method uses the difference in solubility between chitosan oligosaccharide sulfate and potassium chloride in a 75% aqueous ethanol solution to separate the desired material by precipitation. The patent presents the process as straightforward and economical, and notes that it avoids highly corrosive sulfuric acid, with the stated aim of reducing risks to workers, the environment, and production equipment.

Career Highlights

The available information identifies Wang’s work with Jiangxi Normal University and highlights his contribution to a precipitation-based preparation method. The disclosed approach focuses on simplifying production while avoiding the use of a highly corrosive reagent.

Collaborations

Wang’s listed coworker is Qinghui You. The available details do not specify the coworker’s role in the patent or the extent of their collaboration.

Conclusion

Manying Wang’s patent describes a practical route to preparing chitosan oligosaccharide sulfate through precipitation, emphasizing operational simplicity and avoiding sulfuric acid.