Patents by Inventor DEQUANJIANG

DEQUANJIANG 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).

  • Modified filler composition, pulp and paper using same
    Patent number: 8980058
    Abstract: A modified filler composition used in papermaking is provided. The modified filler composition contains microfibrillated cellulose, and filler having negative charge, and a cationic polymer.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: March 17, 2015
    Assignee: Goldeast Paper (Jiangsu) Co., Ltd
    Inventors: Yan Feng, Dequanjiang
  • MODIFIED FILLER COMPOSITION, PULP AND PAPER USING SAME
    Publication number: 20140216671
    Abstract: A modified filler composition used in papermaking is provided. The modified filler composition contains microfibrillated cellulose, and filler having negative charge, and a cationic polymer.
    Type: Application
    Filed: January 21, 2014
    Publication date: August 7, 2014
    Applicant: Goldeast Paper (Jiangsu) Co., Ltd
    Inventors: YAN FENG, DEQUANJIANG