Patents by Inventor Virbala Shah

Virbala Shah 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).

  • Immunosuppressive chromone alkaloid
    Patent number: 4603137
    Abstract: The present invention relates to a compound of the formula ##STR1## and to a process for its isolation from plants of the family comprising the meliaceae. The compound has, in particular, immunosuppressive properties, and can therefore be used as a medicament.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: July 29, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Sujata V. Bhat, Virbala Shah, Alihussein N. Dohadwalla, Sadashiv M. Mandrekar, Noel J. de Souza, Gerhard Dickneite, Roland Kurrle, Hans-Ulrich Schorlemmer, Hans-Harald Sedlacek