Patents by Inventor Bindumadhavan Venugopalan

Bindumadhavan Venugopalan 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: 5246930
    Abstract: Compounds of formula I ##STR1## in which the substituted R has the given meaning, have an antimalarial and a antiviral activity.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: September 21, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bindumadhavan Venugopalan, Chintamani P. Bapat, Pravin J. Karnik, Bansi Lal, Dipak K. Chatterjee, Subramani N. Iyer, Jurgen Blumbach
  • Patent number: 5225427
    Abstract: 10-substituted ether derivatives of 3.alpha., 12.alpha.-Epoxy-3,4,5 5a.alpha., 6,7,8,8a.alpha.,9,10,12.beta., 12a-dodecahydro-10-hydroxy-3.beta.,6.alpha.,9.beta.-trimethylpyano-(4,3-j) (1,2) benzodioxepin, also known as Dihydroartemisinin or Dihydroquinghaosu (DHQ), pharmaceutically acceptable salts thereof, processes for their preparation and their use as chemotherapeutics against protozoal infections are provided.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: July 6, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bindumadhavan Venugopalan, Chintamani P. Bapat, Pravin J. Karnik, Bansi Lal, Dipak K. Chatterjee, Subramani N. Iver, Richard H. Rupp
  • Patent number: 5219865
    Abstract: The present invention relates to combinations of the malaria therapeutics artemisinine, dihydroartemisinine, arteether, artemether, artesunate or other artemisinine derivatives with one or more of the antimalarials chloroquine, 10-0-methylfloxacrine, quinine, mefloquine, amodiaquine, pyrimethamine, sulfadoxine and primaquine. Synergistic actions are achieved with them on treatment of mammals, including humans, with subcurative doses of the individual substances.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: June 15, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Dipak C. Chatterjee, Bindumadhavan Venugopalan, Bansi Lal, Noel J. de Souza, Richard H. Rupp
  • Patent number: 4803204
    Abstract: The present invention relates to novel, 1-substituted 3-aryl-7-chloro-3,4-dihydro-(2H)-acridone N-oxides, a process for their preparation, pharmaceutical compositions containing these compounds, and their use as chemotherapeutic agents, in particular as antimalarials and coccidiostatics.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: February 7, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rajkumar Dhar, Bindumadhavan Venugopalan, Dipak K. Chatterjee, Richard H. Rupp, Noel J. de Souza