Patents by Inventor Su Xiangdon

Su Xiangdon 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).

  • Compound
    Patent number: 7786152
    Abstract: A compound having Formula I wherein one of R1 and R2 is a group of the formula wherein R4 is selected from H and hydrocarbyl, R5 is a hydrocarbyl group and L is an optional linker group, or R1 and R2 together form a ring substituted with the group wherein R3 is H or a substituent, and wherein X is selected from S, O, NR6 and C(R7)(R8), wherein R6 is selected from H and hydrocarbyl groups, wherein each of R7 and R8 are independently selected from H and hydrocarbyl groups.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: August 31, 2010
    Assignee: Sterix Limited
    Inventors: Nigel Vicker, Su Xiangdon, Dharshini Ganeshapillai, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter