Patents by Inventor Randall Bruce NELSON

Randall Bruce NELSON 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).

  • Optical brightening agent composition
    Patent number: 10190262
    Abstract: An optical brightening agent composition having an optical brightening agent, a dispersing agent and water. The optical brightening agent and the dispersing agent are triazine-stilbenes and methylene dinaphthalene sulfonates, respectively. Applications of an optical brightening agent composition for optically brightening paper or cardboards, optically brightening surfaces of paper or cardboards, and coating or adhesively pressing an optical brightening agent composition on paper or cardboards, are also provided.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: January 29, 2019
    Assignee: TEH FONG MIN INTERNATIONAL CO., LTD.
    Inventors: Yu-Lin Huang, Randall Bruce Nelson, Tseng-Peng Li, Chih-Wen Yeh
  • OPTICAL BRIGHTENING AGENT COMPOSITION
    Publication number: 20170218572
    Abstract: An optical brightening agent composition having an optical brightening agent, a dispersing agent and water. The optical brightening agent and the dispersing agent are triazine-stilbenes and methylene dinaphthalene sulfonates, respectively. Applications of an optical brightening agent composition for optically brightening paper or cardboards, optically brightening surfaces of paper or cardboards, and coating or adhesively pressing an optical brightening agent composition on paper or cardboards, are also provided.
    Type: Application
    Filed: January 24, 2017
    Publication date: August 3, 2017
    Inventors: Yu-Lin HUANG, Randall Bruce NELSON, Tseng-Peng LI, Chih-Wen YEH