Patents by Inventor Yuk Ha Lee

Yuk Ha Lee 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: 6391916
    Abstract: Novel C3-substituted cyclodeca-1,5-diynes can be prepared through novel synthetic procedures using starting (E)-C3-substituted-4-(aryl- or heteroarylmethylidene)cyclodeca-1,5-diynes reagents. Both the C3-substituted cyclodeca-1,5-diyn-3-enes and the starting reagents have improved thermal stability compared to unsubstituted counterparts.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: May 21, 2002
    Assignee: The Hong Kong University of Science and Technology
    Inventors: Wei-Min Dai, Anxin Wu, Yuk Ha Lee, Wataru Hamaguchi, Sei-ichi Nishimoto, Ling Zhou, Atsushi Ishii