Patents by Inventor Jingqian CHEN

Jingqian CHEN 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).

  • Paper products subjected to a surface treatment comprising enzyme-treated surface enhanced pulp fibers and methods of making the same
    Patent number: 11608596
    Abstract: Methods of making a paper product can comprise forming a substrate from a first furnish that comprises a plurality of pulp fibers, at least partially dewatering the substrate, treating a second furnish that comprises a plurality of surface enhanced pulp fibers (SEPF) at least by adding one or more enzymes to the second furnish, and sizing the dewatered substrate at least by depositing the treated second furnish onto at least one of opposing first and second surfaces of the dewatered substrate. The SEPF can have a length weighted average fiber length that is greater than or equal to 0.20 millimeters (mm) and an average hydrodynamic specific surface area that is greater than or equal to 10 square meters per gram (m2/g).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: March 21, 2023
    Assignees: Domtar Paper Company, LLC, The University of British Columbia
    Inventors: Harshad Pande, Alexander Timothy Beam, Mark Martinez, Jingqian Chen, Miaoran Li, Heather Trajano
  • PAPER PRODUCTS SUBJECTED TO A SURFACE TREATMENT COMPRISING ENZYME-TREATED SURFACE ENHANCED PULP FIBERS AND METHODS OF MAKING THE SAME
    Publication number: 20200308769
    Abstract: Methods of making a paper product can comprise forming a substrate from a first furnish that comprises a plurality of pulp fibers, at least partially dewatering the substrate, treating a second furnish that comprises a plurality of surface enhanced pulp fibers (SEPF) at least by adding one or more enzymes to the second furnish, and sizing the dewatered substrate at least by depositing the treated second furnish onto at least one of opposing first and second surfaces of the dewatered substrate. The SEPF can have a length weighted average fiber length that is greater than or equal to 0.20 millimeters (mm) and an average hydrodynamic specific surface area that is greater than or equal to 10 square meters per gram (m2/g).
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Inventors: Harshad PANDE, Alex BEAM, Mark MARTINEZ, Jingqian CHEN, Miaoran LI, Heather TRAJANO