Patents by Inventor Chris A. Broka

Chris A. Broka 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).

  • Chemotherapeutic maleimides
    Patent number: 5405864
    Abstract: Maleimide derivatives, i.e., the compounds of Formula I: ##STR1## wherein: R.sup.1 is H, halo, alkyl, OH, alkoxy, haloalkyl, NO.sub.2, or NR.sup.5 R.sup.6 ;R.sup.2 is H or CN;R.sup.3 is aryl or heteroaryl, provided that R.sup.3 is heteroaryl when R.sup.2 is H and R.sup.4 is NR.sup.5 R.sup.6 ; andR.sup.4 is NR.sup.5 R.sup.6 or isothiourea,where R.sup.5 and R.sup.6 are independently H or lower alkyl;and the pharmaceutically acceptable salts thereof, and their use as chemotherapeutic agents.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: April 11, 1995
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: Chris A. Broka