Patents by Inventor Steven G. Grall

Steven G. Grall 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: 7744856
    Abstract: A product for topical application comprising a chemical composition comprising in combination a linker agent and a compound comprising at least one UV-absorbing chromophore, wherein the linker agent is characterized by the general formula: wherein: X1 and X2 are the same or different, and at least one of X1 or X2 is a functional group that bonds with the compound comprising at least one UV-absorbing chromophore, and b+f?2; Y comprises an O, N, or S that is substituted or unsubstituted; each a, b, c, e and f is ?0 and a+b+c+e+f?2; d is 0 or 1; n1 and n2 represent the number of hydrogen atoms required to complete the undesignated valencies; and m ranges from 1 to about 100 and each individual m unit may be the same or different, and a topically acceptable agent that is different from the linker agent and the compound comprising at least one UV-absorbing chromophore.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: June 29, 2010
    Assignee: Biotech Research and Development Corporation
    Inventors: Louis J. DeFilippi, Steven G. Grall, James F. Kinney, Joseph A. Laszlo, David L. Compton