Patents by Inventor Vishwa Prakash Arya

Vishwa Prakash Arya 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).

  • Tetrahydroimidazole compounds useful as pharmaceuticals
    Patent number: 4066778
    Abstract: The present invention relates to new imidazoles, especially of 4- or 5-nitro-imidazoles, substituted by tetrahydroimidazoles which may be substituted and to such compounds which are valuable chemotherapeutica in the treatment of gram-negative bacteria, protozoa and worms.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: January 3, 1978
    Assignee: Ciba-Geigy Corporation
    Inventors: Kuppuswamy Nagarajan, Vishwa Prakash Arya, Thomas George
  • Condensed pyrrole mercapto compounds having hypotensive and decongestant properties
    Patent number: 4055647
    Abstract: The present invention relates to condensed pyrrole mercapto compounds, especially to optionally substituted indole or aza-indole mercapto derivatives, which compounds have ophthalmological and hypotensive properties, in particular vasoconstrictor, especially decongestant properties. It further relates to pharmaceutical compositions containing these compounds. An illustrative example is 3-(2-imidazolin-2-ylthio)-indole hydrochloride or hydroiodide.
    Type: Grant
    Filed: December 19, 1975
    Date of Patent: October 25, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Vishwa Prakash Arya, Kuppuswamy Nagarajan
  • Imidazoles and processes for their production
    Patent number: 3976778
    Abstract: The present invention relates to processes for the preparation of new imidazoles, especially of 4- or 5-nitro-imidazoles, substituted by tetrahydroimidazoles which may be substituted and to such compounds which are valuable chemotherapeutica in the treatment of gram-negativ bacteria, protozoa and worms.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: August 24, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Kuppuswamy Nagarajan, Vishwa Prakash Arya, Thomas George
  • Condensed pyrrole mercapto compounds
    Patent number: 3954757
    Abstract: The present invention relates to condensed pyrrole mercapto compounds, especially to optionally substituted indole or aza-indole mercapto derivatives, which compounds have ophthalmological and hypotensive properties, in particular vasoconstrictor, especially decongestant properties. It further relates to pharmaceutical compositions containing these compounds. An illustrative example is 3-(2-imidazolin-2-ylthio)-indole hydrochloride or hydroiodide.
    Type: Grant
    Filed: June 11, 1974
    Date of Patent: May 4, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Vishwa Prakash Arya, Kuppuswamy Nagarajan