Patents by Inventor Yanziang Li

Yanziang Li 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).

  • Coating composition
    Patent number: 8652568
    Abstract: The instant invention is a coating system, a coating composition, a coating layer, a coated substrate, a method for producing a coating composition, a method for forming a coating layer, a method for making a coated substrate, and a method for healing a coated substrate. The coating system according to the present invention comprises (a) one or more natural oil derived polyols having an average of 3 or more hydroxyl groups per molecule, a number average molecular weight in the range of 300 to 3000 Daltons, a Tg in the range of from less than 0° C.; and (b) one or more polyisocyanates.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: February 18, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Sudhakar Balijepalli, Ray E. Drumright, Sarah T. Eckersley, Brad E. Elwood, Paul Foley, Yanziang Li, Kumar Nanjundiah