Patents Assigned to ENALTEC LABS PRIVATE LIMITED
  • Process of preparing alcaftadine
    Patent number: 9580436
    Abstract: The present invention relates to an improved process of preparing substantially pure alcaftadine comprising reacting substantially pure compound of structural formula VIII with more than 20 moles of oxidizing reagent in an organic solvent to obtain alcaftadine:
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: February 28, 2017
    Assignee: ENALTEC LABS PRIVATE LIMITED
    Inventors: Sivakumar Bobba Venkata, Eswara Rao Kodali, Girish Bansilal Patel, Sanjay Dashrath Vaidya, Alok Pramod Tripathi
  • Polymorphic forms of alcaftadine
    Patent number: 9409913
    Abstract: The present invention relates to novel polymorphic forms of alcaftadine, processes of preparing novel polymorphic forms of alcaftadine and pharmaceutical compositions thereof.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: August 9, 2016
    Assignee: ENALTEC LABS PRIVATE LIMITED
    Inventors: Sivakumar Bobba Venkata, Eswara Rao Kodali, Girish Bansilal Patel, Sanjay Dashrath Vaidya, Alok Pramod Tripathi
  • Process of preparing alcaftadine
    Patent number: 9255105
    Abstract: The present invention is related to a substantially pure compound of structural formula (VIII), a process for the purification of a compound of structural formula (VIII) and an improved process of preparing an alcaftadine compound of structural formula (I).
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: February 9, 2016
    Assignee: ENALTEC LABS PRIVATE LIMITED
    Inventors: Sivakumar Bobba Venkata, Eswara Rao Kodali, Girish Bansilal Patel, Sanjay Dashrath Vaidya, Alok Pramod Tripathi