Patents by Inventor Jian K. Shen

Jian K. Shen 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).

  • METHOD AND COMPOSITION FOR DETACKIFYING ORGANIC CONTAMINANTS IN THE PROCESS OF PULPING AND PAPERMAKING
    Publication number: 20150159328
    Abstract: The present invention discloses a method for detackifying organic contaminants in the process of pulping and papermaking and a composition used for the same. Specifically, the invention discloses that the water circulation system of pulping and papermaking process can be provided with non-ionic cellulose ether and cationic coagulant in lower amount, through which, the de position of organic contaminants can be inhibited under the synergistic action of pre-coagulation and detackification.
    Type: Application
    Filed: May 9, 2013
    Publication date: June 11, 2015
    Applicant: ECOLAB USA INC.
    Inventors: Qing Qing Yuan, Jian K. Shen, Quan Dong, Zhi Chen