Patents by Inventor Siu (Lambert) C. Tsoi

Siu (Lambert) C. Tsoi 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 containing an anthranilic acid blocking group
    Patent number: 7108964
    Abstract: The invention relates to a novel kind of anthranilic acid compound that releases a UG as a function of chemical bond cleavage according to Formula (I): Q-(AAS)-UG where UG is an useful group and is chemically bonded to (AAS); (AAS) is an anthranilic acid switching group; and Q is a group in which the bond to (AAS) is broken so that the -(AAS)-UG fragment subsequently decomposes to the free UG.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: September 19, 2006
    Assignee: Eastman Kodak Company
    Inventors: Stephen P. Singer, Philip A. Allway, Trevor J. Wear, Louis E. Friedrich, Siu (Lambert) C. Tsoi, Bernard A. Clark, Paul L. Stanley