Patents by Inventor Bani K. Bhattacharya

Bani K. Bhattacharya 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).

  • Pyrimido(6-1-a)isoquinolin-4-one derivatives
    Patent number: 4598148
    Abstract: What are disclosed are pyrimido(6,1-a)isoquinolin-4-one compounds useful as hypotensive agents, bronchodilators, and anti-allergenics, intermediates useful in their preparation, and method for making the compounds and intermediates.
    Type: Grant
    Filed: September 19, 1984
    Date of Patent: July 1, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Horst Dornauer, Bani K. Bhattacharya, Alihussein N. Dohadwalla, Noel J. de Souza
  • Pyrimido (6,1-a)isoquinolin-4-one derivatives
    Patent number: 4482556
    Abstract: What are disclosed are pyrimido (6,1-a)isoquinolin-4-one compounds useful as hypotensive agents, bronchodilators, and anti-allergenics, intermediates useful in their preparation, and methods for making the compounds and intermediates.
    Type: Grant
    Filed: March 26, 1980
    Date of Patent: November 13, 1984
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Horst Dornauer, Bani K. Bhattacharya, Alihussein N. Dohadwalla, Noel J. de Souza
  • Effective substance from plants belonging to the Labiatae family
    Patent number: 4088659
    Abstract: Extraction processes are described resulting in the isolation of a pharmacologically active substance from a plant of the Labiatae family. Chemical and physical properties of this compound are given in the specification. Because of its vasodilating and blood pressure lowering effect the compound is useful as a drug for the treatment of hypertension.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: May 9, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Sujata V. Bhati, Noel J. DE Souza, Horst Dornauer, Bani K. Bhattacharya, Alihusein N. Donadwalla