Patents by Inventor Zhiyuan TU

Zhiyuan TU 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).

  • Patent number: 11840806
    Abstract: Disclosed is an environmentally-friendly method for enhancing mechanical properties of a high antibacterial nano dialysis paper for medical protection, includes following steps: a, preparing pulp components, and taking 40-60 parts of hardwood pulp, 10-20 parts of polyvinyl alcohol fiber, 30-50 parts of softwood pulp, 10-20 parts of cellulose fiber by mass; b, putting the hardwood pulp, the polyvinyl alcohol fiber, the softwood pulp and the cellulose fiber into a beater for beating to make a pulp, and then adding modified chitosan accounting for 1-5% of a weight of the pulp into the pulp, and defibering for 10-20 minutes at a rotating speed of 1500-2000 revolutions per minute in a defibrator; and c, carrying out papermaking with the pulp after defibering to form a dialysis paper finished product.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: December 12, 2023
    Assignee: Zhejiang University of Science and Technology
    Inventors: Huifang Zhao, Daliang Guo, Chian Fang, Shouyi Han, Yike Huang, Liangyu Huang, Gaorong Hu, Yuechen Zhou, Zhiyuan Tu
  • Publication number: 20230340727
    Abstract: Disclosed is an environmentally-friendly method for enhancing mechanical properties of a high antibacterial nano dialysis paper for medical protection, includes following steps: a, preparing pulp components, and taking 40-60 parts of hardwood pulp, 10-20 parts of polyvinyl alcohol fiber, 30-50 parts of softwood pulp, 10-20 parts of cellulose fiber by mass; b, putting the hardwood pulp, the polyvinyl alcohol fiber, the softwood pulp and the cellulose fiber into a beater for beating to make a pulp, and then adding modified chitosan accounting for 1-5% of a weight of the pulp into the pulp, and defibering for 10-20 minutes at a rotating speed of 1500-2000 revolutions per minute in a defibrator; and c, carrying out papermaking with the pulp after defibering to form a dialysis paper finished product.
    Type: Application
    Filed: April 21, 2023
    Publication date: October 26, 2023
    Inventors: Huifang ZHAO, Daliang GUO, Chian FANG, Shouyi HAN, Yike HUANG, Liangyu HUANG, Gaorong HU, Yuechen ZHOU, Zhiyuan TU