Patents by Inventor Avinash Manohar Nijasure

Avinash Manohar Nijasure 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).

  • Process for manufacture of 4-amino-hydroxybutylidene-1, 1-bisphosphonic acid and its salts
    Patent number: 7414151
    Abstract: The preset invention relates to a cost effective, high yielding, reproducible method for the manufacture of alendronic acid or its salt, such as sodium alendronate, from inexpensive and readily available pyrrolidone using phosphonating agents such as PCl3 in the presence of acids such as sulphonic acids, sulphuric acid or phosphoric acid, and pharmaceutical dosage forms of alendronic acid or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: August 19, 2008
    Assignee: IPCA Laboratories Ltd.
    Inventors: Ashok Kumar, Suneel Yeshwant Dike, Avinash Manohar Nijasure, Vijaya Bhaware
  • Process For Synthesis Of Gabapentin
    Publication number: 20080103334
    Abstract: A process for preparation of gabapentin comprising a step of obtaining 1,1-cyclohexane diacetic acid monoamide from 1,1-cyclohexane diacetic acid anhydride, wherein said reaction is characterized by the use of ammonia precursor or pre-generated ammonia-isopropanol solution. The invention further discloses preparation of gabapentin and isolation of gabapentin in polymorphic Form II with high yield and purity.
    Type: Application
    Filed: October 24, 2007
    Publication date: May 1, 2008
    Applicant: IPCA Laboratories Ltd
    Inventors: Ashok Kumar, Satish Rajanikant Soudagar, Avinash Manohar Nijasure, Nalinakshya Balaram Panda, Prashant Gautam, Gajendrasingh Ramsingh Thakur