Patents by Inventor James E. Bupp

James E. Bupp 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).

  • Patent number: 5216175
    Abstract: Polyoxoheterocyclic tetracycles related to the Chinese antimalarial natural product qinghaosu (artemisinin) are disclosed. These materials have a ##STR1## core structure with an oxygen (carbonyl or alkyl ether) at position 12 and in some cases one or two alkyl or aralkyl substituents at position 11. These materials have antimalarial properties.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: June 1, 1993
    Assignee: SRI International
    Inventors: Mitchell A. Avery, Wesley K. M. Chong, James E. Bupp