Patents by Inventor Balbir S. Bajwa

Balbir S. Bajwa 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: 4599409
    Abstract: The present invention relates to new bisamidine derivatives of polycyclic compounds such as 5,10-dioxo-4,5,9,10-tetrahydro-4,9-dioxapyrene-6(5H)-phenanthridone and 5,10-dioxo-4,5,9,10-tetrahydro-4,9-dioxapyrenephenanthridine and to a process for their preparation. The polycyclic bisamidines according to the invention are distinguished by valuable chemotherapeutic properties, such as, for example, an action against amoebas and trichomonads.
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: July 8, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Balbir S. Bajwa, deceased, Dipak K. Chatterjee, Bimal N. Ganguli, Jurgen Reden, Noel J. de Souza
  • Patent number: 4134986
    Abstract: The invention relates to novel polyoxygenated labdane derivatives and to a process for preparing same. The polyoxygenated labdane derivatives of the invention are characterized by valuable pharmacological properties, for example a hypotensive effect and a positive inotropic activity.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: January 16, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Balbir S. Bajwa, Sujata V. Bhat, Horst Dornauer, Noel J. DE Souza