Patents by Inventor Yi Yl

Yi Yl 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).

  • Antireflective coating composition and process thereof
    Patent number: 8486609
    Abstract: The invention relates to an antireflective coating composition comprising a crosslinker and a crosslinkable polymer capable of being crosslinked by the crosslinker, where the crosslinkable polymer comprises a unit represented by structure (1): A-Bn??(1) where A is a fused aromatic ring and B has a structure (2), where R1 is C1-C4alkyl and R2 is C1-C4alkyl. The invention further relates to a process for forming an image using the composition.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: July 16, 2013
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: M. Dalil Rahman, Douglas McKenzie, Huirong Yao, JoonYeon Cho, Yi Yl, Guanyang Lin