Patents by Inventor C. Agrawal

C. Agrawal 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).

  • Nitroimidazole radiosensitizers for hypoxic tumor cells and compositions thereof
    Patent number: 4282232
    Abstract: Biologically active hypoxic cell radiosensitizers of the formula ##STR1## wherein Z is a C.sub.2 -C.sub.4 alkylene group which may be substituted by OH; wherein R.sup.1 and R.sup.2 are same or different substituted or unsubstituted C.sub.1 -C.sub.4 alkyl groups, or R.sup.1 and R.sup.2 taken together with the nitrogen atom form a heterocyclic ring of the formula ##STR2## wherein n=0 or 1, with the condition that when n=0, m=2 or 3 and when n=1, m=1 or 2;X and Y are hydrogen, an electron withdrawing group or X and Y taken together form a six-membered carboxylic aromatic ring.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: August 4, 1981
    Assignee: Research Corporation
    Inventor: Krishna C. Agrawal