Patents by Inventor John C. Craig, Jr.

John C. Craig, Jr. 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).

  • Hypoglycemic composition and method of use
    Patent number: 3950518
    Abstract: A compound prepared from the extract of Xanthium strumarium (cockleburr) characterized by being a white crystalline glycoside having a decomposition point of 278.degree.-279.degree.C.; a molecular formula of C.sub.31 H.sub.48 O.sub.24 S.sub.2, the aglycone portion of the molecule having a molecular formula of C.sub.19 H.sub.28 O.sub.4 ; substantially no ultraviolet absorption above 200 m.mu.; infrared spectrum showing hydrogen bonded OH absorption, 3440 cm.sup.-.sup.1 ; C--H stretch, 2940 cm.sup.-.sup.1 ; carbonyl stretch, 1735 cm.sup.-.sup.1 ; C--O stretch, 1250 cm.sup.-.sup.1 ; and other absorptions at 1640; 1460; 1380; 1040; 1000; 900; and 800 cm.sup.-.sup.1 ; a nuclear magnetic resonance spectrum in deuterium oxide showing a broad absorption at 304, 230, 162, 134, 92 and 58 cps relative to external tetramethylsilane standard; and the mass spectrum of the silylated derivative gives a mass fragment of 952 amu.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: April 13, 1976
    Assignee: The University of Mississippi
    Inventors: Carlton E. Turner, John C. Craig, Jr.