Patents Assigned to Innovassynth Technologies (India) Ltd.
  • Process for the preparation of Isosulphan Blue
    Patent number: 7534911
    Abstract: A process for the preparation of Isosulphan Blue is disclosed. The process comprises the following steps: Sulphonating orthochlorobenzaldehyde, treatment with sodium sulphite, basification, condensation and oxidation to obtain Isosulphan Blue.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: May 19, 2009
    Assignee: Innovassynth Technologies (India) Ltd.
    Inventors: Balkrishna K Kulkarni, Sankar Chinnakulandai, Girish M Khandekar, Hawaldar T. Maurya, Ashok Vamanrao Arjun, Sandeep S. Sope, Sumit Kar