Patents by Inventor Pibo Wang

Pibo Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Quaternized Carboxymethyl Chitosan Derivatives and Preparation Method Thereof
    Publication number: 20100168407
    Abstract: The invention relates to a novel kind of chitosan derivative, specifically to quaternized carboxymethyl chitosand derivatives and preparation method. Chitosan with different molecular weight reacts with chloroactic acid give rise to carboxymethyl chitosan. After reaction of Schiff based, deoxidized and quaternized, quaternized carboxymethyl chitosan is obtained. This kind of chitosan derivative have better water-solubility and better antifungal activity, which can used in the fields of medicine and agriculture.
    Type: Application
    Filed: July 24, 2006
    Publication date: July 1, 2010
    Applicant: Institute of OCeanology Chinese Academy of Sciences
    Inventors: Pengcheng Li, Zhanyong Guo, Song Liu, Ronge Xing, Huahua Yu, Pibo Wang, Xiaolin Chen, Cuiping Li