Patents by Inventor Sungman Cha

Sungman Cha 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).

  • 5-benzyl barbiturate derivatives
    Patent number: 5141943
    Abstract: 5-benzyl barbiturate compounds for use as water-soluble uridine phosphorylase inhibitors are disclosed. These compounds are useful for reducing the toxicity and anemia induced by antiviral drugs such as AZT, as well as for potentiating anticancer drugs and combatting their host-toxicity.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: August 25, 1992
    Assignee: Brown University Research Foundation
    Inventors: Fardos N. M. Naguib, Mahmoud H. el Kouni, Raymond Panzica, Sungman Cha
  • Hydroxymethyl derivatives of 5-benzylacyclouridine and 5-benzoyloxybenzylacyclouridine and their use as potentiators for 5-fluoro-2'-deoxyuridine
    Patent number: 4613604
    Abstract: A compound of the Formula (I): ##STR1## where X is a benzyl group or a benzyloxybenzyl group and pharmaceutical preparations containing the same.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: September 23, 1986
    Assignee: Brown University Research Foundation
    Inventors: Shih H. Chu, Paul Calabresi, Ming Y. W. Chu, Mahmoud H. el Kouni, Fardos N. M. Naguib, Sungman Cha