Patents by Inventor May S. Lui

May S. Lui 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).

  • Publication number: 20040197226
    Abstract: A device for collecting, drying, and transporting a urine sample, and extracting an analyte of interest from the dried sample for determining the presence or absence of the analyte or, if present, the amount or concentration thereof, is described. A preferred embodiment of the device is a sample collection strip which includes a collection pad for collecting and retaining the sample and a handle member for handling or manipulation of the device. Methods of use, and kits relating to the device are also described.
    Type: Application
    Filed: April 16, 2004
    Publication date: October 7, 2004
    Applicant: FlexSite Diagnostics, Inc.
    Inventors: Robert A. Ray, May S. Lui, Susan Summers, Brian Smith
  • Patent number: 4954527
    Abstract: This invention relates to novel polyacetylene compositions, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are antitumor polyacetylenes which are derived form marine organisms, i.e., the marine sponge Cribrochalina dura.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: September 4, 1990
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Amy E. Wright, Winnie C. Thompson, May S. Lui
  • Patent number: 4895853
    Abstract: This invention relates to antitumor alkaloid compositions, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are antitumor alkaloids which are derived from marine organisms, i.e., the marine sponge Amphimedon sp.
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: January 23, 1990
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Tatsuo Higa, Ryuichi Sakai, Shigeo Kohmoto, May S. Lui
  • Patent number: 4866084
    Abstract: A new class of novel, biologically active bisindole alkaloid compounds, which have been named topsentins, pharmaceutical compositions containing them, methods of producing the compounds and methods of using them are disclosed. This new class of compounds has the generic formula: ##STR1## R.sup.1-8 are the same or different selected from --H, --OH, halogen, --R, --OR, --OCOR, or --OA;Y is the single group --O, or two groups, same or different, selected from --H, --OH, --OR, or --OCOR with the provision that Y shall not be two --OH groups;Z are the same or different selected from --H, --R;R is C1-5 alkyl and A is --R--phenyl.The compounds are antiviral agents and antitumor agents which are effective against specific tumors.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: September 12, 1989
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Sue S. Cross, Yoel Kashman, May S. Lui, Kenneth L. Rinehart, Shinji Tsujii
  • Patent number: 4859782
    Abstract: This invention relates to novel macrolide compositions which are useful as antitumor, antiviral and antifungal compositions, a process of producing the compositions and a method for inhibiting tumors, viruses and fungi utilizing the compositions. More particularly, the novel macrolide compositions are organic misakinolide and misakinolide derivative compositions which are derived from marine sponges genus Theonella.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: August 22, 1989
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Tatsuo Higa, Ryuichi Sakai, May S. Lui