Patents by Inventor Chandrawansha Bandara Weerasinghe Senanayake

Chandrawansha Bandara Weerasinghe Senanayake 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).

  • Dihydrobenzopyran and related compounds useful as anti-inflammatory agents
    Patent number: 6110960
    Abstract: A compound having structure (1) wherein (a) X is selected from the group consisting of O, S, SO, or SO.sub.2 ; (b) each Y is independently hydrogen or straight, branched or cyclic alkanyl having from 1 to about 4 carbon atoms, or the two Y's are bonded to form an alkanyl ring having from 3 to about 7 carbon atoms; (c) Z is branched or cyclic alkyl having from 3 to about 10 atoms other than hydrogen; (d) W is O or S; and (e) R is straight, branched or cyclic alkyl or aryl, saturated or mono- or di-unsaturated with double or triple bonds, R having from 1 to about 15 atoms other than hydrogen; pharmaceutical compositions comprising such compounds, and methods of treating inflammation or pain using such compounds.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: August 29, 2000
    Assignee: The Procter & Gamble Company
    Inventors: John Michael Janusz, Carl Randolph Johnson, Chandrawansha Bandara Weerasinghe Senanayake