Patents by Inventor Lotte Wang

Lotte Wang 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).

  • Dibenz[b,f][1,4]oxazepin-11(10H)-ones for multidrug resistance reversing agents
    Patent number: 5173486
    Abstract: This invention relates to a compound of formula I ##STR1## wherein p is 1 to 3;R.sup.1 and R.sup.2 each are independently hydrogen or an acyl group R.sup.6 CO--, in which R.sup.6 is C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.2-7 alkenyl, aryl or radical of the formula ##STR2## R.sup.3 is hydrogen or chloro; R.sup.4 and R.sup.5 each are independently C.sub.1-6 alkyl.Compounds of formula I are useful for the reversal of multidrug resistance of cancer drugs.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: December 22, 1992
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivo Monkovic, Lotte Wang