Patents Represented by Attorney William S. Isgro

Find this attorney in the Justia Lawyer Directory

  • Trihydroxy-cholecacliferol and trihydroxy-ergocalciferol for treating leukemia
    Patent number: 5120722
    Abstract: The compounds 1.alpha.,25(S), 26-trihydroxy-.DELTA..sup.22 -cholecalciferol; 1.alpha.,25(R), 26-trihydroxy-.DELTA..sup.22 -cholecalciferol; 1.alpha.,25(S),26-trihydroxyergocalciferol, 1.alpha.,25(R),26-trihydroxyergocalciferol and pharmaceutical compositions comprising the compounds as well as methods of making and using these compounds are disclosed.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: June 9, 1992
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Enrico G. Baggiolini, Andrew D. Batcho, Gary A. Truitt, Milan R. Uskokovic, Peter M. Wovkulich