Patents by Inventor Guoning M

Guoning M 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).

  • Refined routes to chlorin building blocks
    Patent number: 6946552
    Abstract: A method of making chlorins comprises the steps of reacting (e.g. condensing) a dipyrrin western half intermediate with an eastern half intermediate to form a tetrahydrobilene, and then cyclizing the tetrahydrobilene to form a chlorin. Intermediates including tetrahydrobilenes useful in such reactions are also described.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: September 20, 2005
    Assignee: North Carolina State University
    Inventors: Jonathan S. Lindsey, Masahiko Taniguchi, Doyoung Ra, Guoning M, Thiagarajan Balasubramanian