Patents by Inventor Yang Dang

Yang Dang 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).

  • Publication number: 20210157373
    Abstract: A display motherboard includes a motherboard body, wherein n recess structures for guiding the motherboard body to fracture are provided on a surface of the motherboard body, n being greater than 1; wherein the n recess structures are arranged in sequence and centers of the n recess structures are collinear.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 27, 2021
    Inventors: Ming Yang, Wei Wang, Bin Liu, Keheng Li, Yang Dang, Shaojie Qin
  • Patent number: 7662801
    Abstract: The present invention relates to the preparation of a series of oxidized cellulose esters suitable for use as a drug carrier in the development of biodegradable controlled and/or sustained release pharmaceutical, agricultural, and veterinary compositions, such as films, compacts, microspheres, and pellets. The esters are prepared by acylation of oxidized cellulose having at least 3% carboxyl groups. The resulting oxidized cellulose esters are soluble in aqueous alkaline solutions, water, and a variety of organic solvents.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: February 16, 2010
    Assignee: University of Iowa Research Foundation
    Inventors: Vijay Kumar, Yang Dang